@font-face{font-family:Geist;font-style:normal;font-weight:400 700;font-display:swap;src:url(/fonts/geist-latin-ext.woff2) format("woff2");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Geist;font-style:normal;font-weight:400 700;font-display:swap;src:url(/fonts/geist-latin.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Geist Mono;font-style:normal;font-weight:400 500;font-display:swap;src:url(/fonts/geistmono-latin-ext.woff2) format("woff2");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Geist Mono;font-style:normal;font-weight:400 500;font-display:swap;src:url(/fonts/geistmono-latin.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}:root{--font-sans: "Geist", "Inter", system-ui, -apple-system, sans-serif;--font-mono: "Geist Mono", "JetBrains Mono", ui-monospace, monospace;--s-chem: #ef6b6b;--s-math: #5b8ee8;--s-bio: #55c97a;--s-hist: #e8a823;--s-cs: #a78bfa;--s-phys: #2dd4bf;--success: #55c97a;--danger: #ef6b6b;--warning: #e8a823;--info: #5b8ee8;--accent: #ffffff;--radius-shell: 24px;--radius-core: 18px;--radius-field: 10px;--radius-pill: 9999px;--bezel-gap: 6px;--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-5: 24px;--space-6: 32px;--space-7: 48px;--space-8: 64px;--space-9: 96px;--space-10: 120px;--ease-fluid: cubic-bezier(.32, .72, 0, 1);--ease-swift: cubic-bezier(.16, 1, .3, 1);--dur-quick: .2s;--dur-base: .4s;--dur-slow: .7s;--dur-reveal: 1s}.theme-oled{color-scheme:dark;--bg: #000000;--shell: rgba(255, 255, 255, .025);--shell-ring: rgba(255, 255, 255, .05);--core: #0a0a0a;--core-2: #121212;--core-highlight: inset 0 1px 0 rgba(255,255,255,.04);--hairline: rgba(255, 255, 255, .06);--hairline-strong: rgba(255, 255, 255, .12);--text: #ffffff;--text-2: #a1a1aa;--text-3: #9898a1;--text-4: #8e8e97;--accent: #ffffff;--accent-rgb: 255, 255, 255}.theme-dark{color-scheme:dark;--bg: #141414;--shell: rgba(255, 255, 255, .04);--shell-ring: rgba(255, 255, 255, .06);--core: #1f1f1f;--core-2: #262626;--core-highlight: inset 0 1px 0 rgba(255,255,255,.06);--hairline: rgba(255, 255, 255, .08);--hairline-strong: rgba(255, 255, 255, .14);--text: #ffffff;--text-2: #a1a1aa;--text-3: #9898a1;--text-4: #8e8e97;--accent: #ffffff;--accent-rgb: 255, 255, 255}.theme-light{color-scheme:light;--bg: #fafaf9;--shell: rgba(0, 0, 0, .03);--shell-ring: rgba(0, 0, 0, .06);--core: #ffffff;--core-2: #f5f5f4;--core-highlight: inset 0 1px 0 rgba(255,255,255,.8), 0 1px 0 rgba(0,0,0,.04);--hairline: rgba(0, 0, 0, .08);--hairline-strong: rgba(0, 0, 0, .16);--text: #18181b;--text-2: rgba(0, 0, 0, .68);--text-3: rgba(0, 0, 0, .62);--text-4: rgba(0, 0, 0, .57);--accent: #18181b;--accent-rgb: 24, 24, 27}.theme-oled,.theme-dark,.theme-light{--bg-color: var(--bg);--bg-secondary: var(--core);--bg-tertiary: var(--core-2);--text-color: var(--text);--card-bg: var(--core);--card-bg-hover: var(--core-2);--card-border: var(--hairline);--card-hover-border: var(--hairline-strong);--border-color: var(--hairline);--text-primary: var(--text);--text-secondary: var(--text-2);--text-muted: var(--text-3);--text-tertiary: var(--text-3);--accent-color: var(--accent);--accent-primary: var(--accent);--accent-primary-light: var(--accent);--accent-secondary: var(--accent);--accent-hover: var(--accent);--accent-dim: color-mix(in srgb, var(--accent) 20%, transparent);--accent-warning: var(--warning);--accent-danger: var(--danger);--accent-info: var(--info);--accent-success: var(--success);--gradient-primary: var(--accent);--glass-blur: blur(0);--shadow-lg: 0 20px 40px -12px rgba(0,0,0,.5);--shadow-md: 0 8px 16px -4px rgba(0,0,0,.4);--shadow-glow: none;--radius-md: var(--radius-field);--radius-sm: 8px;--radius-xs: 6px;--radius-lg: var(--radius-core);--btn-bg: var(--shell);--btn-hover-bg: var(--core-2);--btn-hover-border: var(--hairline-strong);--btn-primary-text: var(--btn-ink, var(--bg));--input-bg: color-mix(in srgb, var(--text) 1%, transparent);--input-focus-bg: color-mix(in srgb, var(--text) 3%, transparent);--select-option-bg: var(--core-2)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{height:100dvh;overflow:hidden;font-family:var(--font-sans);background-color:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;transition:background-color var(--dur-base) var(--ease-fluid),color var(--dur-base) var(--ease-fluid);-webkit-user-select:none;user-select:none}input,textarea,select,[contenteditable],.markdown-body,.chat-bubble,.rich-editor-content,.file-text-pre,.quiz-question-text,.quiz-hint,.quiz-feedback-explanation,.quiz-steps-list,.flashcard-content,.flashcard-list-item-content,.exam-notes,.exam-pred-reasoning,.podcast-transcript{-webkit-user-select:text;user-select:text}body.theme-oled:after,body.theme-dark:after{content:"";position:fixed;inset:0;background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 0.18 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");opacity:.35;mix-blend-mode:overlay;pointer-events:none;z-index:100}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--hairline-strong);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--text-4)}h1,h2,h3,h4,h5,h6{color:var(--text);font-weight:600;letter-spacing:-.035em}p{color:var(--text-2);line-height:1.5}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.app-container{display:grid;grid-template-columns:240px minmax(0,1fr);min-height:100dvh}.shell{background:var(--shell);padding:var(--bezel-gap);border-radius:var(--radius-shell);box-shadow:0 0 0 1px var(--shell-ring-active, var(--shell-ring));transition:box-shadow var(--dur-slow) var(--ease-fluid);display:flex;flex-direction:column;min-width:0}.shell:hover{--shell-ring-active: var(--hairline-strong)}.core{background:var(--core);border-radius:var(--radius-core);padding:var(--space-4);box-shadow:var(--core-highlight);position:relative;overflow:hidden;flex:1;min-height:0;min-width:0}.skeleton{display:var(--skeleton-display, block);background:linear-gradient(180deg,color-mix(in srgb,var(--core-2) 92%,var(--text) 8%),color-mix(in srgb,var(--core-2) 98%,var(--text) 2%));border:1px solid var(--hairline);border-radius:var(--radius-field);animation:skeleton-pulse 1.6s ease-in-out infinite}.skeleton--text{height:.9rem}.skeleton--title{height:1.4rem}.skeleton--block{min-height:5rem}.skeleton--avatar{width:2.75rem;height:2.75rem;border-radius:9999px}.skeleton--chip{height:1.6rem;border-radius:var(--radius-pill)}.skeleton-stack{display:flex;flex-direction:column;gap:var(--space-3)}.skeleton-row{display:flex;align-items:center;gap:var(--space-3)}.skeleton-grid{display:grid;gap:var(--space-4)}.skeleton-grid--cards{grid-template-columns:repeat(3,minmax(0,1fr))}.skeleton-grid--two{grid-template-columns:repeat(2,minmax(0,1fr))}.skeleton-grid--split{grid-template-columns:minmax(0,1.2fr) minmax(18rem,.8fr)}.skeleton-page{display:flex;flex-direction:column;gap:var(--space-5);width:100%}.skeleton-page__heading{display:flex;flex-direction:column;gap:var(--space-2)}.skeleton-page__cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--space-4)}.skeleton-page__card,.skeleton-page__panel{padding:var(--space-5);border:1px solid var(--hairline);border-radius:var(--radius-core);background:var(--core)}.skeleton-page__card{display:flex;flex-direction:column;gap:var(--space-3);min-height:132px}.skeleton-list{display:flex;flex-direction:column;gap:var(--space-2)}.skeleton-list-row{display:flex;align-items:center;gap:var(--space-3);min-height:58px;padding:var(--space-3);border-bottom:1px solid var(--hairline)}.skeleton-list-row:last-child{border-bottom:0}.skeleton-list-row__body{display:flex;flex:1;flex-direction:column;gap:var(--space-2);min-width:0}.skeleton-table{overflow:hidden;border:1px solid var(--hairline);border-radius:var(--radius-core)}.skeleton-table__head,.skeleton-table__row{display:grid;gap:var(--space-4);padding:var(--space-3) var(--space-4)}.skeleton-table__head{background:var(--core-2);border-bottom:1px solid var(--hairline)}.skeleton-table__row{min-height:48px;align-items:center;border-bottom:1px solid var(--hairline)}.skeleton-table__row:last-child{border-bottom:0}@media(max-width:800px){.skeleton-grid--cards,.skeleton-grid--two,.skeleton-grid--split,.skeleton-page__cards{grid-template-columns:1fr}.skeleton-page__card:nth-child(n+3){display:none}.skeleton-table{overflow-x:auto}.skeleton-table__head,.skeleton-table__row{min-width:620px}}@keyframes skeleton-pulse{0%,to{opacity:.72}50%{opacity:1}}@media(prefers-reduced-motion:reduce){.skeleton{animation:none}}.eyebrow-pill{display:inline-flex;align-items:center;gap:var(--space-2);padding:5px 12px;border:1px solid var(--hairline);border-radius:var(--radius-pill);background:var(--shell);font-family:var(--font-mono);font-size:10px;color:var(--text-3);letter-spacing:.18em;text-transform:uppercase}.eyebrow-pill .tick{width:4px;height:4px;border-radius:50%;background:var(--accent);box-shadow:0 0 8px var(--accent)}.pill-stamp{display:inline-flex;align-items:center;gap:7px;padding:5px 11px;border:1px solid var(--hairline);border-radius:var(--radius-pill);background:var(--shell);font-family:var(--font-mono);font-size:10px;color:var(--text-3);letter-spacing:.08em;min-width:0;max-width:100%;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.text-link{color:var(--text);text-decoration:underline;text-decoration-color:var(--hairline-strong);text-underline-offset:3px;text-decoration-thickness:1px;display:inline-flex;align-items:center;gap:4px;transition:text-decoration-color var(--dur-base) var(--ease-fluid),color var(--dur-base) var(--ease-fluid)}.text-link:hover{text-decoration-color:var(--text)}.tag{display:inline-flex;align-items:center;gap:6px;padding:3px 10px;border:1px solid var(--hairline);border-radius:var(--radius-pill);background:var(--shell);font-family:var(--font-mono);font-size:10px;color:var(--text-3);letter-spacing:.08em;text-transform:uppercase;min-width:0;max-width:100%;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.tag .dot{width:5px;height:5px;border-radius:50%;flex-shrink:0}.tag.subject{color:var(--accent);border-color:color-mix(in srgb,var(--accent) 20%,transparent)}.tag.subject .dot{background:var(--accent)}.tag.success{color:var(--success);border-color:color-mix(in srgb,var(--success) 20%,transparent)}.tag.success .dot{background:var(--success);box-shadow:0 0 5px var(--success)}.tag.warn{color:var(--warning);border-color:color-mix(in srgb,var(--warning) 20%,transparent)}.tag.warn .dot{background:var(--warning)}.tag.danger{color:var(--danger);border-color:color-mix(in srgb,var(--danger) 20%,transparent)}.tag.danger .dot{background:var(--danger)}.tag.info{color:var(--info);border-color:color-mix(in srgb,var(--info) 20%,transparent)}.tag.info .dot{background:var(--info)}.btn{display:inline-flex;align-items:center;gap:var(--space-2);padding:8px 16px;border-radius:var(--radius-pill);border:1px solid transparent;font-family:var(--font-sans);font-size:13px;font-weight:500;cursor:pointer;transition:transform var(--dur-base) var(--ease-fluid),background var(--dur-base) var(--ease-fluid),border-color var(--dur-base) var(--ease-fluid),color var(--dur-base) var(--ease-fluid),box-shadow var(--dur-base) var(--ease-fluid);background:transparent;color:var(--text);min-width:0;max-width:100%;white-space:nowrap}.btn:hover:not(:disabled){transform:translateY(-1px)}.btn:active:not(:disabled){transform:translateY(0) scale(.98)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--accent);color:var(--btn-ink, var(--bg));box-shadow:0 0 0 1px color-mix(in srgb,var(--accent) 15%,transparent),inset 0 1px #ffffff80}.btn-primary:has(.icon-wrap){padding-right:6px}.btn-primary .icon-wrap{width:30px;height:30px;border-radius:50%;background:#00000014;display:grid;place-items:center;transition:transform var(--dur-base) var(--ease-fluid),background var(--dur-base) var(--ease-fluid)}.btn-primary:hover:not(:disabled) .icon-wrap{transform:translate(2px,-1px) scale(1.04);background:#0000001f}.btn-primary svg{width:13px;height:13px;stroke-width:1.8}.btn-secondary{background:var(--shell);color:var(--text-2);border-color:var(--hairline)}.btn-secondary:hover:not(:disabled){color:var(--text);border-color:var(--hairline-strong)}.btn-ghost{background:transparent;color:var(--text-2)}.btn-ghost:hover:not(:disabled){color:var(--text);background:var(--shell)}.btn-danger{background:color-mix(in srgb,var(--danger) 10%,transparent);color:var(--danger);border-color:color-mix(in srgb,var(--danger) 20%,transparent)}.btn-success{background:color-mix(in srgb,var(--success) 10%,transparent);color:var(--success);border-color:color-mix(in srgb,var(--success) 20%,transparent)}.btn-danger:hover:not(:disabled){background:color-mix(in srgb,var(--danger) 18%,transparent);border-color:color-mix(in srgb,var(--danger) 35%,transparent)}.btn-success:hover:not(:disabled){background:color-mix(in srgb,var(--success) 18%,transparent);border-color:color-mix(in srgb,var(--success) 35%,transparent)}.btn-icon{width:32px;height:32px;padding:0;justify-content:center;background:var(--shell);border-color:var(--hairline);color:var(--text-2)}.btn-icon:hover:not(:disabled){color:var(--text);border-color:var(--hairline-strong)}.btn-icon svg{width:14px;height:14px;stroke-width:1.5}.btn-icon-sm{display:inline-flex;align-items:center;justify-content:center;width:26px;height:26px;padding:0;border-radius:var(--radius-field);border:1px solid transparent;background:transparent;color:var(--text-3);cursor:pointer;transition:color var(--dur-quick) var(--ease-fluid),background var(--dur-quick) var(--ease-fluid)}.btn-icon-sm:hover:not(:disabled){color:var(--text);background:var(--shell)}.btn-icon-sm svg{width:14px;height:14px;stroke-width:1.5}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);clip-path:inset(50%);white-space:nowrap;border:0}.input-wrap{display:flex;align-items:center;gap:var(--space-3);padding:10px 14px;border:1px solid var(--hairline);border-radius:var(--radius-field);background:color-mix(in srgb,var(--text) 1%,transparent);transition:border-color var(--dur-base) var(--ease-fluid),background var(--dur-base) var(--ease-fluid),box-shadow var(--dur-base) var(--ease-fluid)}.input-wrap:focus-within{border-color:color-mix(in srgb,var(--text) 25%,transparent);background:color-mix(in srgb,var(--text) 3%,transparent);box-shadow:0 0 0 3px color-mix(in srgb,var(--text) 6%,transparent)}.input-wrap.error{border-color:color-mix(in srgb,var(--danger) 40%,transparent);box-shadow:0 0 0 3px color-mix(in srgb,var(--danger) 10%,transparent)}.input-wrap svg{width:14px;height:14px;color:var(--text-3);stroke-width:1.5;flex-shrink:0}.input-wrap input,.input-wrap textarea,.input-wrap select{background:transparent;border:none;outline:none;color:var(--text);font-family:inherit;font-size:13px;width:100%;resize:none}.input-wrap input::placeholder,.input-wrap textarea::placeholder{color:var(--text-4)}.input{display:block;width:100%;padding:10px 14px;border:1px solid var(--hairline);border-radius:var(--radius-field);background:color-mix(in srgb,var(--text) 1%,transparent);color:var(--text);font-family:inherit;font-size:13px;resize:vertical;transition:border-color var(--dur-base) var(--ease-fluid),background var(--dur-base) var(--ease-fluid),box-shadow var(--dur-base) var(--ease-fluid)}.input:focus{outline:none;border-color:color-mix(in srgb,var(--text) 25%,transparent);background:color-mix(in srgb,var(--text) 3%,transparent);box-shadow:0 0 0 3px color-mix(in srgb,var(--text) 6%,transparent)}.input::placeholder{color:var(--text-4)}.dropdown-wrapper{position:relative;display:inline-flex;width:100%}.dropdown-trigger{display:flex;align-items:center;justify-content:space-between;gap:var(--space-2);width:100%;padding:10px 14px;background:color-mix(in srgb,var(--text) 1%,transparent);border:1px solid var(--hairline);border-radius:var(--radius-field);color:var(--text);font-family:inherit;font-size:13px;cursor:pointer;text-align:left;transition:border-color var(--dur-base) var(--ease-fluid),background var(--dur-base) var(--ease-fluid),box-shadow var(--dur-base) var(--ease-fluid)}.dropdown-trigger:hover:not(:disabled){border-color:var(--hairline-strong)}.dropdown-trigger:focus-visible,.dropdown-trigger.dropdown-open{outline:none;border-color:color-mix(in srgb,var(--text) 25%,transparent);background:color-mix(in srgb,var(--text) 3%,transparent);box-shadow:0 0 0 3px color-mix(in srgb,var(--text) 6%,transparent)}.dropdown-trigger.dropdown-disabled{opacity:.5;cursor:not-allowed}.dropdown-trigger.dropdown-sm{padding:6px 10px;font-size:12px;border-radius:8px}.dropdown-value{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.dropdown-placeholder{color:var(--text-4);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.dropdown-chevron{flex-shrink:0;color:var(--text-3);stroke-width:1.5;transition:transform var(--dur-quick) var(--ease-fluid)}.dropdown-open .dropdown-chevron{transform:rotate(180deg)}.dropdown-panel{position:fixed;z-index:9999;background:var(--core-2);border:1px solid var(--hairline);border-radius:12px;box-shadow:0 20px 60px -16px #0009,inset 0 1px #ffffff08;padding:4px;max-height:260px;display:flex;flex-direction:column}.dropdown-panel-sm{border-radius:var(--radius-field)}.dropdown-search-wrap{padding:4px 4px 2px;flex-shrink:0}.dropdown-search{width:100%;box-sizing:border-box;background:color-mix(in srgb,var(--text) 2%,transparent);border:1px solid var(--hairline);border-radius:6px;padding:7px 10px;color:var(--text);font-family:inherit;font-size:12px;outline:none}.dropdown-search:focus{border-color:color-mix(in srgb,var(--text) 20%,transparent)}.dropdown-search::placeholder{color:var(--text-4)}.dropdown-options{overflow-y:auto;flex:1;min-height:0}.dropdown-option{display:flex;align-items:center;justify-content:space-between;width:100%;text-align:left;padding:8px 12px;border:none;background:none;border-radius:6px;color:var(--text);font-family:inherit;font-size:13px;cursor:pointer;transition:background var(--dur-quick) var(--ease-fluid);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.dropdown-panel-sm .dropdown-option{padding:6px 10px;font-size:12px}.dropdown-option:hover,.dropdown-option-focused,.dropdown-option-selected{background:color-mix(in srgb,var(--text) 4%,transparent)}.dropdown-option-selected:after{content:"";width:12px;height:12px;flex-shrink:0;background-color:var(--accent);-webkit-mask:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'><polyline points='20 6 9 17 4 12'/></svg>") center / contain no-repeat;mask:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'><polyline points='20 6 9 17 4 12'/></svg>") center / contain no-repeat}.dropdown-empty{padding:8px 12px;color:var(--text-3);font-size:12px;text-align:center}.dropdown-option-disabled{opacity:.45;cursor:not-allowed}.dropdown-option-disabled:hover,.dropdown-option-disabled.dropdown-option-focused{background:none}.dropdown-option-stack{display:flex;flex-direction:column;align-items:flex-start;gap:2px;min-width:0}.dropdown-option-sublabel{font-size:11px;color:var(--text-3)}.checkbox{display:inline-flex;align-items:center;gap:var(--space-2);cursor:pointer;-webkit-user-select:none;user-select:none;font-size:13px;color:var(--text)}.checkbox.is-disabled{opacity:.5;cursor:not-allowed}.checkbox input[type=checkbox]{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.checkbox-box{display:inline-grid;place-items:center;width:16px;height:16px;border:1px solid var(--hairline-strong);border-radius:4px;background:color-mix(in srgb,var(--text) 1%,transparent);color:var(--bg);transition:background var(--dur-quick) var(--ease-fluid),border-color var(--dur-quick) var(--ease-fluid);flex-shrink:0}.checkbox:hover:not(.is-disabled) .checkbox-box{border-color:var(--text-3)}.checkbox input[type=checkbox]:checked+.checkbox-box,.checkbox input[type=checkbox]:indeterminate+.checkbox-box{background:var(--text);border-color:var(--text)}.checkbox input[type=checkbox]:focus-visible+.checkbox-box{box-shadow:0 0 0 3px color-mix(in srgb,var(--text) 12%,transparent)}.checkbox-box svg{stroke-width:2.5}.checkbox-label{font-size:13px;color:var(--text-2)}.process-sheet-ui{background:#14141480;border:1px solid var(--hairline);box-shadow:0 10px 30px -10px #00000080}.unified-dropzone{position:relative;overflow:hidden;background:linear-gradient(to bottom,#ffffff05,#ffffff03);box-shadow:inset 0 2px 10px #0003}.unified-dropzone:before{content:"";position:absolute;inset:0;border-radius:16px;border:2px dashed var(--hairline);transition:all .3s ease;pointer-events:none}.unified-dropzone:hover:before{border-color:color-mix(in srgb,var(--accent) 40%,transparent)}.unified-dropzone.active{background:color-mix(in srgb,var(--accent) 5%,transparent);box-shadow:0 0 25px color-mix(in srgb,var(--accent) 20%,transparent) inset}.unified-dropzone.active:before{border-color:color-mix(in srgb,var(--accent) 80%,transparent);border-style:solid}.smart-input-container:focus-within{border-color:color-mix(in srgb,var(--accent) 50%,transparent)!important;box-shadow:0 0 0 3px color-mix(in srgb,var(--accent) 15%,transparent)!important;background:#0000004d!important}.batch-item-card{transition:all .2s cubic-bezier(.4,0,.2,1)}.batch-item-card:hover{transform:translateY(-2px);border-color:var(--hairline-strong)!important;box-shadow:0 8px 15px -3px #0003,0 4px 6px -2px #0000001a!important;background:#262626cc!important}.upload-actions-row button{background:#ffffff0d;border:1px solid rgba(255,255,255,.1)}.upload-actions-row button:hover{background:#ffffff1a;border-color:#fff3}.metadata-pill:hover{background:#ffffff1a!important;transform:translateY(-1px)}.input-group{display:flex;flex-direction:column;gap:var(--space-2);margin-bottom:var(--space-3)}.input-label{font-family:var(--font-mono);font-size:10px;color:var(--text-3);letter-spacing:.14em;text-transform:uppercase}.input-help{font-size:11px;color:var(--text-3);padding-left:2px}.input-help.error{color:var(--danger)}.modal-root{position:fixed;inset:0;z-index:200;display:grid;place-items:center;padding:var(--space-4)}.modal-backdrop{position:fixed;inset:0;background:#0009;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px)}.modal{position:relative;width:100%;max-width:520px;background:var(--core);border:1px solid var(--hairline-strong);border-radius:var(--radius-core);box-shadow:0 30px 80px -20px #000c,inset 0 1px #ffffff0d;overflow:hidden}.modal-head{padding:var(--space-5) var(--space-5) 0}.modal-head h3{font-size:20px;font-weight:600;letter-spacing:-.025em;color:var(--text);margin-bottom:var(--space-2)}.modal-head p{font-size:13px;color:var(--text-2);line-height:1.5}.modal-body{padding:var(--space-4) var(--space-5)}.modal-foot{padding:var(--space-3) var(--space-5);border-top:1px solid var(--hairline);display:flex;justify-content:flex-end;gap:var(--space-2)}.toast{display:flex;align-items:center;gap:var(--space-3);padding:var(--space-3) var(--space-4);border-radius:var(--radius-core);background:var(--core-2);border:1px solid var(--hairline);box-shadow:0 20px 40px -12px #00000080}.toast .ic{width:22px;height:22px;border-radius:50%;display:grid;place-items:center;flex-shrink:0}.toast .ic svg{width:11px;height:11px}.toast.success .ic{background:color-mix(in srgb,var(--success) 15%,transparent);color:var(--success)}.toast.info .ic{background:color-mix(in srgb,var(--info) 15%,transparent);color:var(--info)}.toast.warn .ic{background:color-mix(in srgb,var(--warning) 15%,transparent);color:var(--warning)}.toast.danger .ic{background:color-mix(in srgb,var(--danger) 15%,transparent);color:var(--danger)}.toast .msg{font-size:13px;color:var(--text);flex:1}.toast .msg strong{font-weight:500}.toast .msg span{color:var(--text-3)}.toast .close{background:transparent;border:none;color:var(--text-4);cursor:pointer;padding:2px;display:grid;place-items:center}.toast .close:hover{color:var(--text)}.toast .close svg{width:12px;height:12px}.empty-state{padding:60px 30px;text-align:center;border:1px dashed var(--hairline);border-radius:var(--radius-core);background:color-mix(in srgb,var(--text) 1%,transparent)}.empty-ic{width:40px;height:40px;margin:0 auto var(--space-4);border-radius:var(--radius-field);border:1px solid var(--hairline);display:grid;place-items:center;color:var(--text-3)}.empty-ic svg{width:18px;height:18px;stroke-width:1.5}.empty-title{font-size:15px;font-weight:600;color:var(--text);letter-spacing:-.01em;margin-bottom:var(--space-1)}.empty-desc{font-size:12px;color:var(--text-3);max-width:240px;margin:0 auto var(--space-4);line-height:1.5}.empty-actions{display:flex;gap:var(--space-2);justify-content:center}.empty-state--error .empty-ic{color:var(--danger);border-color:color-mix(in srgb,var(--danger) 25%,transparent)}.section-head{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:var(--space-4);padding-bottom:var(--space-4);border-bottom:1px solid var(--hairline)}.section-head h2{font-size:36px;font-weight:600;letter-spacing:-.04em;color:var(--text)}.section-head-right{display:flex;align-items:center;gap:var(--space-4)}.sort-source-badge{display:inline-flex;align-items:center;gap:4px;padding:1px 7px;border:1px solid var(--hairline);border-radius:var(--radius-pill);font-size:.65rem;color:var(--text-3);white-space:nowrap}.sort-source-badge svg{flex-shrink:0}@font-face{font-display:block;font-family:KaTeX_AMS;font-style:normal;font-weight:400;src:url(/assets/KaTeX_AMS-Regular-BQhdFMY1.woff2) format("woff2"),url(/assets/KaTeX_AMS-Regular-DMm9YOAa.woff) format("woff"),url(/assets/KaTeX_AMS-Regular-DRggAlZN.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Caligraphic-Bold-Dq_IR9rO.woff2) format("woff2"),url(/assets/KaTeX_Caligraphic-Bold-BEiXGLvX.woff) format("woff"),url(/assets/KaTeX_Caligraphic-Bold-ATXxdsX0.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Caligraphic-Regular-Di6jR-x-.woff2) format("woff2"),url(/assets/KaTeX_Caligraphic-Regular-CTRA-rTL.woff) format("woff"),url(/assets/KaTeX_Caligraphic-Regular-wX97UBjC.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Fraktur-Bold-CL6g_b3V.woff2) format("woff2"),url(/assets/KaTeX_Fraktur-Bold-BsDP51OF.woff) format("woff"),url(/assets/KaTeX_Fraktur-Bold-BdnERNNW.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Fraktur-Regular-CTYiF6lA.woff2) format("woff2"),url(/assets/KaTeX_Fraktur-Regular-Dxdc4cR9.woff) format("woff"),url(/assets/KaTeX_Fraktur-Regular-CB_wures.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Main-Bold-Cx986IdX.woff2) format("woff2"),url(/assets/KaTeX_Main-Bold-Jm3AIy58.woff) format("woff"),url(/assets/KaTeX_Main-Bold-waoOVXN0.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:700;src:url(/assets/KaTeX_Main-BoldItalic-DxDJ3AOS.woff2) format("woff2"),url(/assets/KaTeX_Main-BoldItalic-SpSLRI95.woff) format("woff"),url(/assets/KaTeX_Main-BoldItalic-DzxPMmG6.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:400;src:url(/assets/KaTeX_Main-Italic-NWA7e6Wa.woff2) format("woff2"),url(/assets/KaTeX_Main-Italic-BMLOBm91.woff) format("woff"),url(/assets/KaTeX_Main-Italic-3WenGoN9.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Main-Regular-B22Nviop.woff2) format("woff2"),url(/assets/KaTeX_Main-Regular-Dr94JaBh.woff) format("woff"),url(/assets/KaTeX_Main-Regular-ypZvNtVU.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:700;src:url(/assets/KaTeX_Math-BoldItalic-CZnvNsCZ.woff2) format("woff2"),url(/assets/KaTeX_Math-BoldItalic-iY-2wyZ7.woff) format("woff"),url(/assets/KaTeX_Math-BoldItalic-B3XSjfu4.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:400;src:url(/assets/KaTeX_Math-Italic-t53AETM-.woff2) format("woff2"),url(/assets/KaTeX_Math-Italic-DA0__PXp.woff) format("woff"),url(/assets/KaTeX_Math-Italic-flOr_0UB.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:700;src:url(/assets/KaTeX_SansSerif-Bold-D1sUS0GD.woff2) format("woff2"),url(/assets/KaTeX_SansSerif-Bold-DbIhKOiC.woff) format("woff"),url(/assets/KaTeX_SansSerif-Bold-CFMepnvq.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:italic;font-weight:400;src:url(/assets/KaTeX_SansSerif-Italic-C3H0VqGB.woff2) format("woff2"),url(/assets/KaTeX_SansSerif-Italic-DN2j7dab.woff) format("woff"),url(/assets/KaTeX_SansSerif-Italic-YYjJ1zSn.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:400;src:url(/assets/KaTeX_SansSerif-Regular-DDBCnlJ7.woff2) format("woff2"),url(/assets/KaTeX_SansSerif-Regular-CS6fqUqJ.woff) format("woff"),url(/assets/KaTeX_SansSerif-Regular-BNo7hRIc.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Script;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Script-Regular-D3wIWfF6.woff2) format("woff2"),url(/assets/KaTeX_Script-Regular-D5yQViql.woff) format("woff"),url(/assets/KaTeX_Script-Regular-C5JkGWo-.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size1;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size1-Regular-mCD8mA8B.woff2) format("woff2"),url(/assets/KaTeX_Size1-Regular-C195tn64.woff) format("woff"),url(/assets/KaTeX_Size1-Regular-Dbsnue_I.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size2;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size2-Regular-Dy4dx90m.woff2) format("woff2"),url(/assets/KaTeX_Size2-Regular-oD1tc_U0.woff) format("woff"),url(/assets/KaTeX_Size2-Regular-B7gKUWhC.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size3;font-style:normal;font-weight:400;src:url(data:font/woff2;base64,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) format("woff2"),url(/assets/KaTeX_Size3-Regular-CTq5MqoE.woff) format("woff"),url(/assets/KaTeX_Size3-Regular-DgpXs0kz.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size4;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size4-Regular-Dl5lxZxV.woff2) format("woff2"),url(/assets/KaTeX_Size4-Regular-BF-4gkZK.woff) format("woff"),url(/assets/KaTeX_Size4-Regular-DWFBv043.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Typewriter;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Typewriter-Regular-CO6r4hn1.woff2) format("woff2"),url(/assets/KaTeX_Typewriter-Regular-C0xS9mPB.woff) format("woff"),url(/assets/KaTeX_Typewriter-Regular-D3Ib7_Hf.ttf) format("truetype")}.katex{font: 1.21em KaTeX_Main,Times New Roman,serif;line-height:1.2;position:relative;text-indent:0;text-rendering:auto}.katex *{-ms-high-contrast-adjust:none!important;border-color:currentColor}.katex .katex-version:after{content:"0.16.47"}.katex .katex-mathml{border:0;-webkit-clip-path:inset(50%);clip-path:inset(50%);height:1px;overflow:hidden;padding:0;position:absolute;width:1px}.katex .katex-html>.newline{display:block}.katex .base{position:relative;white-space:nowrap;width:-webkit-min-content;width:-moz-min-content;width:min-content}.katex .base,.katex .strut{display:inline-block}.katex .textbf{font-weight:700}.katex .textit{font-style:italic}.katex .textrm{font-family:KaTeX_Main}.katex .textsf{font-family:KaTeX_SansSerif}.katex .texttt{font-family:KaTeX_Typewriter}.katex .mathnormal{font-family:KaTeX_Math;font-style:italic}.katex .mathit{font-family:KaTeX_Main;font-style:italic}.katex .mathrm{font-style:normal}.katex .mathbf{font-family:KaTeX_Main;font-weight:700}.katex .boldsymbol{font-family:KaTeX_Math;font-style:italic;font-weight:700}.katex .amsrm,.katex .mathbb,.katex .textbb{font-family:KaTeX_AMS}.katex .mathcal{font-family:KaTeX_Caligraphic}.katex .mathfrak,.katex .textfrak{font-family:KaTeX_Fraktur}.katex .mathboldfrak,.katex .textboldfrak{font-family:KaTeX_Fraktur;font-weight:700}.katex .mathtt{font-family:KaTeX_Typewriter}.katex .mathscr,.katex .textscr{font-family:KaTeX_Script}.katex .mathsf,.katex .textsf{font-family:KaTeX_SansSerif}.katex .mathboldsf,.katex .textboldsf{font-family:KaTeX_SansSerif;font-weight:700}.katex .mathitsf,.katex .mathsfit,.katex .textitsf{font-family:KaTeX_SansSerif;font-style:italic}.katex .mainrm{font-family:KaTeX_Main;font-style:normal}.katex .vlist-t{border-collapse:collapse;display:inline-table;table-layout:fixed}.katex .vlist-r{display:table-row}.katex .vlist{display:table-cell;position:relative;vertical-align:bottom}.katex .vlist>span{display:block;height:0;position:relative}.katex .vlist>span>span{display:inline-block}.katex .vlist>span>.pstrut{overflow:hidden;width:0}.katex .vlist-t2{margin-right:-2px}.katex .vlist-s{display:table-cell;font-size:1px;min-width:2px;vertical-align:bottom;width:2px}.katex .vbox{align-items:baseline;display:inline-flex;flex-direction:column}.katex .hbox{width:100%}.katex .hbox,.katex .thinbox{display:inline-flex;flex-direction:row}.katex .thinbox{max-width:0;width:0}.katex .msupsub{text-align:left}.katex .mfrac>span>span{text-align:center}.katex .mfrac .frac-line{border-bottom-style:solid;display:inline-block;width:100%}.katex .hdashline,.katex .hline,.katex .mfrac .frac-line,.katex .overline .overline-line,.katex .rule,.katex .underline .underline-line{min-height:1px}.katex .mspace{display:inline-block}.katex .smash{display:inline;line-height:0}.katex .clap,.katex .llap,.katex .rlap{position:relative;width:0}.katex .clap>.inner,.katex .llap>.inner,.katex .rlap>.inner{position:absolute}.katex .clap>.fix,.katex .llap>.fix,.katex .rlap>.fix{display:inline-block}.katex .llap>.inner{right:0}.katex .clap>.inner,.katex .rlap>.inner{left:0}.katex .clap>.inner>span{margin-left:-50%;margin-right:50%}.katex .rule{border:0 solid;display:inline-block;position:relative}.katex .hline,.katex .overline .overline-line,.katex .underline .underline-line{border-bottom-style:solid;display:inline-block;width:100%}.katex .hdashline{border-bottom-style:dashed;display:inline-block;width:100%}.katex .sqrt>.root{margin-left:.2777777778em;margin-right:-.5555555556em}.katex .fontsize-ensurer.reset-size1.size1,.katex .sizing.reset-size1.size1{font-size:1em}.katex .fontsize-ensurer.reset-size1.size2,.katex .sizing.reset-size1.size2{font-size:1.2em}.katex .fontsize-ensurer.reset-size1.size3,.katex .sizing.reset-size1.size3{font-size:1.4em}.katex .fontsize-ensurer.reset-size1.size4,.katex .sizing.reset-size1.size4{font-size:1.6em}.katex .fontsize-ensurer.reset-size1.size5,.katex .sizing.reset-size1.size5{font-size:1.8em}.katex .fontsize-ensurer.reset-size1.size6,.katex .sizing.reset-size1.size6{font-size:2em}.katex .fontsize-ensurer.reset-size1.size7,.katex .sizing.reset-size1.size7{font-size:2.4em}.katex .fontsize-ensurer.reset-size1.size8,.katex .sizing.reset-size1.size8{font-size:2.88em}.katex .fontsize-ensurer.reset-size1.size9,.katex .sizing.reset-size1.size9{font-size:3.456em}.katex .fontsize-ensurer.reset-size1.size10,.katex .sizing.reset-size1.size10{font-size:4.148em}.katex .fontsize-ensurer.reset-size1.size11,.katex .sizing.reset-size1.size11{font-size:4.976em}.katex .fontsize-ensurer.reset-size2.size1,.katex .sizing.reset-size2.size1{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size2.size2,.katex .sizing.reset-size2.size2{font-size:1em}.katex .fontsize-ensurer.reset-size2.size3,.katex .sizing.reset-size2.size3{font-size:1.1666666667em}.katex .fontsize-ensurer.reset-size2.size4,.katex .sizing.reset-size2.size4{font-size:1.3333333333em}.katex .fontsize-ensurer.reset-size2.size5,.katex .sizing.reset-size2.size5{font-size:1.5em}.katex .fontsize-ensurer.reset-size2.size6,.katex .sizing.reset-size2.size6{font-size:1.6666666667em}.katex .fontsize-ensurer.reset-size2.size7,.katex .sizing.reset-size2.size7{font-size:2em}.katex .fontsize-ensurer.reset-size2.size8,.katex .sizing.reset-size2.size8{font-size:2.4em}.katex .fontsize-ensurer.reset-size2.size9,.katex .sizing.reset-size2.size9{font-size:2.88em}.katex .fontsize-ensurer.reset-size2.size10,.katex .sizing.reset-size2.size10{font-size:3.4566666667em}.katex .fontsize-ensurer.reset-size2.size11,.katex .sizing.reset-size2.size11{font-size:4.1466666667em}.katex .fontsize-ensurer.reset-size3.size1,.katex .sizing.reset-size3.size1{font-size:.7142857143em}.katex .fontsize-ensurer.reset-size3.size2,.katex .sizing.reset-size3.size2{font-size:.8571428571em}.katex .fontsize-ensurer.reset-size3.size3,.katex .sizing.reset-size3.size3{font-size:1em}.katex .fontsize-ensurer.reset-size3.size4,.katex .sizing.reset-size3.size4{font-size:1.1428571429em}.katex .fontsize-ensurer.reset-size3.size5,.katex .sizing.reset-size3.size5{font-size:1.2857142857em}.katex .fontsize-ensurer.reset-size3.size6,.katex .sizing.reset-size3.size6{font-size:1.4285714286em}.katex .fontsize-ensurer.reset-size3.size7,.katex .sizing.reset-size3.size7{font-size:1.7142857143em}.katex .fontsize-ensurer.reset-size3.size8,.katex .sizing.reset-size3.size8{font-size:2.0571428571em}.katex .fontsize-ensurer.reset-size3.size9,.katex .sizing.reset-size3.size9{font-size:2.4685714286em}.katex .fontsize-ensurer.reset-size3.size10,.katex .sizing.reset-size3.size10{font-size:2.9628571429em}.katex .fontsize-ensurer.reset-size3.size11,.katex .sizing.reset-size3.size11{font-size:3.5542857143em}.katex .fontsize-ensurer.reset-size4.size1,.katex .sizing.reset-size4.size1{font-size:.625em}.katex .fontsize-ensurer.reset-size4.size2,.katex .sizing.reset-size4.size2{font-size:.75em}.katex .fontsize-ensurer.reset-size4.size3,.katex .sizing.reset-size4.size3{font-size:.875em}.katex .fontsize-ensurer.reset-size4.size4,.katex .sizing.reset-size4.size4{font-size:1em}.katex .fontsize-ensurer.reset-size4.size5,.katex .sizing.reset-size4.size5{font-size:1.125em}.katex .fontsize-ensurer.reset-size4.size6,.katex .sizing.reset-size4.size6{font-size:1.25em}.katex .fontsize-ensurer.reset-size4.size7,.katex .sizing.reset-size4.size7{font-size:1.5em}.katex .fontsize-ensurer.reset-size4.size8,.katex .sizing.reset-size4.size8{font-size:1.8em}.katex .fontsize-ensurer.reset-size4.size9,.katex .sizing.reset-size4.size9{font-size:2.16em}.katex .fontsize-ensurer.reset-size4.size10,.katex .sizing.reset-size4.size10{font-size:2.5925em}.katex .fontsize-ensurer.reset-size4.size11,.katex .sizing.reset-size4.size11{font-size:3.11em}.katex .fontsize-ensurer.reset-size5.size1,.katex .sizing.reset-size5.size1{font-size:.5555555556em}.katex .fontsize-ensurer.reset-size5.size2,.katex .sizing.reset-size5.size2{font-size:.6666666667em}.katex .fontsize-ensurer.reset-size5.size3,.katex .sizing.reset-size5.size3{font-size:.7777777778em}.katex .fontsize-ensurer.reset-size5.size4,.katex .sizing.reset-size5.size4{font-size:.8888888889em}.katex .fontsize-ensurer.reset-size5.size5,.katex .sizing.reset-size5.size5{font-size:1em}.katex .fontsize-ensurer.reset-size5.size6,.katex .sizing.reset-size5.size6{font-size:1.1111111111em}.katex .fontsize-ensurer.reset-size5.size7,.katex .sizing.reset-size5.size7{font-size:1.3333333333em}.katex .fontsize-ensurer.reset-size5.size8,.katex .sizing.reset-size5.size8{font-size:1.6em}.katex .fontsize-ensurer.reset-size5.size9,.katex .sizing.reset-size5.size9{font-size:1.92em}.katex .fontsize-ensurer.reset-size5.size10,.katex .sizing.reset-size5.size10{font-size:2.3044444444em}.katex .fontsize-ensurer.reset-size5.size11,.katex .sizing.reset-size5.size11{font-size:2.7644444444em}.katex .fontsize-ensurer.reset-size6.size1,.katex .sizing.reset-size6.size1{font-size:.5em}.katex .fontsize-ensurer.reset-size6.size2,.katex .sizing.reset-size6.size2{font-size:.6em}.katex .fontsize-ensurer.reset-size6.size3,.katex .sizing.reset-size6.size3{font-size:.7em}.katex .fontsize-ensurer.reset-size6.size4,.katex .sizing.reset-size6.size4{font-size:.8em}.katex .fontsize-ensurer.reset-size6.size5,.katex .sizing.reset-size6.size5{font-size:.9em}.katex .fontsize-ensurer.reset-size6.size6,.katex .sizing.reset-size6.size6{font-size:1em}.katex .fontsize-ensurer.reset-size6.size7,.katex .sizing.reset-size6.size7{font-size:1.2em}.katex .fontsize-ensurer.reset-size6.size8,.katex .sizing.reset-size6.size8{font-size:1.44em}.katex .fontsize-ensurer.reset-size6.size9,.katex .sizing.reset-size6.size9{font-size:1.728em}.katex .fontsize-ensurer.reset-size6.size10,.katex .sizing.reset-size6.size10{font-size:2.074em}.katex .fontsize-ensurer.reset-size6.size11,.katex .sizing.reset-size6.size11{font-size:2.488em}.katex .fontsize-ensurer.reset-size7.size1,.katex .sizing.reset-size7.size1{font-size:.4166666667em}.katex .fontsize-ensurer.reset-size7.size2,.katex .sizing.reset-size7.size2{font-size:.5em}.katex .fontsize-ensurer.reset-size7.size3,.katex .sizing.reset-size7.size3{font-size:.5833333333em}.katex .fontsize-ensurer.reset-size7.size4,.katex .sizing.reset-size7.size4{font-size:.6666666667em}.katex .fontsize-ensurer.reset-size7.size5,.katex .sizing.reset-size7.size5{font-size:.75em}.katex .fontsize-ensurer.reset-size7.size6,.katex .sizing.reset-size7.size6{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size7.size7,.katex .sizing.reset-size7.size7{font-size:1em}.katex .fontsize-ensurer.reset-size7.size8,.katex .sizing.reset-size7.size8{font-size:1.2em}.katex .fontsize-ensurer.reset-size7.size9,.katex .sizing.reset-size7.size9{font-size:1.44em}.katex .fontsize-ensurer.reset-size7.size10,.katex .sizing.reset-size7.size10{font-size:1.7283333333em}.katex .fontsize-ensurer.reset-size7.size11,.katex .sizing.reset-size7.size11{font-size:2.0733333333em}.katex .fontsize-ensurer.reset-size8.size1,.katex .sizing.reset-size8.size1{font-size:.3472222222em}.katex .fontsize-ensurer.reset-size8.size2,.katex .sizing.reset-size8.size2{font-size:.4166666667em}.katex .fontsize-ensurer.reset-size8.size3,.katex .sizing.reset-size8.size3{font-size:.4861111111em}.katex .fontsize-ensurer.reset-size8.size4,.katex .sizing.reset-size8.size4{font-size:.5555555556em}.katex .fontsize-ensurer.reset-size8.size5,.katex .sizing.reset-size8.size5{font-size:.625em}.katex .fontsize-ensurer.reset-size8.size6,.katex .sizing.reset-size8.size6{font-size:.6944444444em}.katex .fontsize-ensurer.reset-size8.size7,.katex .sizing.reset-size8.size7{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size8.size8,.katex .sizing.reset-size8.size8{font-size:1em}.katex .fontsize-ensurer.reset-size8.size9,.katex .sizing.reset-size8.size9{font-size:1.2em}.katex .fontsize-ensurer.reset-size8.size10,.katex .sizing.reset-size8.size10{font-size:1.4402777778em}.katex .fontsize-ensurer.reset-size8.size11,.katex .sizing.reset-size8.size11{font-size:1.7277777778em}.katex .fontsize-ensurer.reset-size9.size1,.katex .sizing.reset-size9.size1{font-size:.2893518519em}.katex .fontsize-ensurer.reset-size9.size2,.katex .sizing.reset-size9.size2{font-size:.3472222222em}.katex .fontsize-ensurer.reset-size9.size3,.katex .sizing.reset-size9.size3{font-size:.4050925926em}.katex .fontsize-ensurer.reset-size9.size4,.katex .sizing.reset-size9.size4{font-size:.462962963em}.katex .fontsize-ensurer.reset-size9.size5,.katex .sizing.reset-size9.size5{font-size:.5208333333em}.katex .fontsize-ensurer.reset-size9.size6,.katex .sizing.reset-size9.size6{font-size:.5787037037em}.katex .fontsize-ensurer.reset-size9.size7,.katex .sizing.reset-size9.size7{font-size:.6944444444em}.katex .fontsize-ensurer.reset-size9.size8,.katex .sizing.reset-size9.size8{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size9.size9,.katex .sizing.reset-size9.size9{font-size:1em}.katex .fontsize-ensurer.reset-size9.size10,.katex .sizing.reset-size9.size10{font-size:1.2002314815em}.katex .fontsize-ensurer.reset-size9.size11,.katex .sizing.reset-size9.size11{font-size:1.4398148148em}.katex .fontsize-ensurer.reset-size10.size1,.katex .sizing.reset-size10.size1{font-size:.2410800386em}.katex .fontsize-ensurer.reset-size10.size2,.katex .sizing.reset-size10.size2{font-size:.2892960463em}.katex .fontsize-ensurer.reset-size10.size3,.katex .sizing.reset-size10.size3{font-size:.337512054em}.katex .fontsize-ensurer.reset-size10.size4,.katex .sizing.reset-size10.size4{font-size:.3857280617em}.katex .fontsize-ensurer.reset-size10.size5,.katex .sizing.reset-size10.size5{font-size:.4339440694em}.katex .fontsize-ensurer.reset-size10.size6,.katex .sizing.reset-size10.size6{font-size:.4821600771em}.katex .fontsize-ensurer.reset-size10.size7,.katex .sizing.reset-size10.size7{font-size:.5785920926em}.katex .fontsize-ensurer.reset-size10.size8,.katex .sizing.reset-size10.size8{font-size:.6943105111em}.katex .fontsize-ensurer.reset-size10.size9,.katex .sizing.reset-size10.size9{font-size:.8331726133em}.katex .fontsize-ensurer.reset-size10.size10,.katex .sizing.reset-size10.size10{font-size:1em}.katex .fontsize-ensurer.reset-size10.size11,.katex .sizing.reset-size10.size11{font-size:1.1996142719em}.katex .fontsize-ensurer.reset-size11.size1,.katex .sizing.reset-size11.size1{font-size:.2009646302em}.katex .fontsize-ensurer.reset-size11.size2,.katex .sizing.reset-size11.size2{font-size:.2411575563em}.katex .fontsize-ensurer.reset-size11.size3,.katex .sizing.reset-size11.size3{font-size:.2813504823em}.katex .fontsize-ensurer.reset-size11.size4,.katex .sizing.reset-size11.size4{font-size:.3215434084em}.katex .fontsize-ensurer.reset-size11.size5,.katex .sizing.reset-size11.size5{font-size:.3617363344em}.katex .fontsize-ensurer.reset-size11.size6,.katex .sizing.reset-size11.size6{font-size:.4019292605em}.katex .fontsize-ensurer.reset-size11.size7,.katex .sizing.reset-size11.size7{font-size:.4823151125em}.katex .fontsize-ensurer.reset-size11.size8,.katex .sizing.reset-size11.size8{font-size:.578778135em}.katex .fontsize-ensurer.reset-size11.size9,.katex .sizing.reset-size11.size9{font-size:.6945337621em}.katex .fontsize-ensurer.reset-size11.size10,.katex .sizing.reset-size11.size10{font-size:.8336012862em}.katex .fontsize-ensurer.reset-size11.size11,.katex .sizing.reset-size11.size11{font-size:1em}.katex .delimsizing.size1{font-family:KaTeX_Size1}.katex .delimsizing.size2{font-family:KaTeX_Size2}.katex .delimsizing.size3{font-family:KaTeX_Size3}.katex .delimsizing.size4{font-family:KaTeX_Size4}.katex .delimsizing.mult .delim-size1>span{font-family:KaTeX_Size1}.katex .delimsizing.mult .delim-size4>span{font-family:KaTeX_Size4}.katex .nulldelimiter{display:inline-block;width:.12em}.katex .delimcenter,.katex .op-symbol{position:relative}.katex .op-symbol.small-op{font-family:KaTeX_Size1}.katex .op-symbol.large-op{font-family:KaTeX_Size2}.katex .accent>.vlist-t,.katex .op-limits>.vlist-t{text-align:center}.katex .accent .accent-body{position:relative}.katex .accent .accent-body:not(.accent-full){width:0}.katex .overlay{display:block}.katex .mtable .vertical-separator{display:inline-block;min-width:1px}.katex .mtable .arraycolsep{display:inline-block}.katex .mtable .col-align-c>.vlist-t{text-align:center}.katex .mtable .col-align-l>.vlist-t{text-align:left}.katex .mtable .col-align-r>.vlist-t{text-align:right}.katex .svg-align{text-align:left}.katex svg{fill:currentColor;stroke:currentColor;display:block;height:inherit;position:absolute;width:100%}.katex svg path{stroke:none}.katex svg{fill-rule:nonzero;fill-opacity:1;stroke-width:1;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1}.katex img{border-style:none;max-height:none;max-width:none;min-height:0;min-width:0}.katex .stretchy{display:block;overflow:hidden;position:relative;width:100%}.katex .stretchy:after,.katex .stretchy:before{content:""}.katex .hide-tail{overflow:hidden;position:relative;width:100%}.katex .halfarrow-left{left:0;overflow:hidden;position:absolute;width:50.2%}.katex .halfarrow-right{overflow:hidden;position:absolute;right:0;width:50.2%}.katex .brace-left{left:0;overflow:hidden;position:absolute;width:25.1%}.katex .brace-center{left:25%;overflow:hidden;position:absolute;width:50%}.katex .brace-right{overflow:hidden;position:absolute;right:0;width:25.1%}.katex .x-arrow-pad{padding:0 .5em}.katex .cd-arrow-pad{padding:0 .55556em 0 .27778em}.katex .mover,.katex .munder,.katex .x-arrow{text-align:center}.katex .boxpad{padding:0 .3em}.katex .fbox,.katex .fcolorbox{border:.04em solid;box-sizing:border-box}.katex .cancel-pad{padding:0 .2em}.katex .cancel-lap{margin-left:-.2em;margin-right:-.2em}.katex .sout{border-bottom-style:solid;border-bottom-width:.08em}.katex .angl{border-right:.049em solid;border-top:.049em solid;box-sizing:border-box;margin-right:.03889em}.katex .anglpad{padding:0 .03889em}.katex .eqn-num:before{content:"(" counter(katexEqnNo) ")";counter-increment:katexEqnNo}.katex .mml-eqn-num:before{content:"(" counter(mmlEqnNo) ")";counter-increment:mmlEqnNo}.katex .mtr-glue{width:50%}.katex .cd-vert-arrow{display:inline-block;position:relative}.katex .cd-label-left{display:inline-block;position:absolute;right:calc(50% + .3em);text-align:left}.katex .cd-label-right{display:inline-block;left:calc(50% + .3em);position:absolute;text-align:right}.katex-display{display:block;margin:1em 0;text-align:center}.katex-display>.katex{display:block;text-align:center;white-space:nowrap}.katex-display>.katex>.katex-html{display:block;position:relative}.katex-display>.katex>.katex-html>.tag{position:absolute;right:0}.katex-display.leqno>.katex>.katex-html>.tag{left:0;right:auto}.katex-display.fleqn>.katex{padding-left:2em;text-align:left}body{counter-reset:katexEqnNo mmlEqnNo}#root{width:100%;height:100dvh;margin:0;padding:0;overflow:hidden}.global-search-wrapper{position:relative;margin-bottom:16px}.global-search-bar{display:flex;align-items:center;gap:6px;padding:6px 10px;background:#ffffff0d;border:1px solid var(--border-color);border-radius:8px;transition:border-color .2s}.global-search-bar:focus-within{border-color:var(--accent-primary)}.global-search-icon{opacity:.4;flex-shrink:0}.global-search-input{flex:1;background:none;border:none;outline:none;color:var(--text-primary);font-size:.8rem;font-family:inherit;min-width:0}.global-search-input::placeholder{color:var(--text-secondary);opacity:.5}.global-search-spinner{animation:spin 1s linear infinite;opacity:.5;flex-shrink:0}.global-search-results{position:absolute;top:calc(100% + 4px);left:0;right:0;background:var(--card-bg);border:1px solid var(--border-color);border-radius:var(--radius-field);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);max-height:320px;overflow-y:auto;z-index:100;padding:4px;box-shadow:0 8px 32px #0006}.global-search-empty{padding:12px;text-align:center;font-size:.78rem;color:var(--text-secondary)}.global-search-result{display:flex;align-items:flex-start;gap:6px;width:100%;padding:8px 10px;background:none;border:none;border-radius:6px;cursor:pointer;text-align:left;color:var(--text-primary);font-family:inherit;font-size:.78rem;transition:background .15s}.global-search-result:hover{background:#ffffff0f}.search-subject-badge{flex-shrink:0;font-size:.65rem;font-weight:600;padding:1px 6px;border-radius:4px;background:var(--accent-primary);color:#fff;white-space:nowrap;margin-top:1px}.search-source-icon{flex-shrink:0;opacity:.4;margin-top:2px}.search-result-text{flex:1;min-width:0;display:flex;flex-direction:column;gap:2px}.search-result-heading{font-weight:600;font-size:.78rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.search-result-snippet{font-size:.72rem;color:var(--text-secondary);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.search-source-label{flex-shrink:0;font-size:.65rem;color:var(--text-secondary);opacity:.6;margin-top:2px}.markdown-body{color:var(--text-primary);font-size:15px;line-height:1.7}.markdown-body p{color:var(--text-primary)}.markdown-body h1,.markdown-body h2,.markdown-body h3{margin-top:1.8em;margin-bottom:.8em;border-bottom:1px solid var(--border-color);padding-bottom:.3em}.markdown-body code{background:#ffffff1a;padding:.2em .4em;border-radius:4px;font-family:Fira Code,monospace;font-size:.9em;color:var(--accent-primary)}.markdown-body pre{background:#0d1117;padding:16px;border-radius:12px;border:1px solid var(--border-color);overflow-x:auto;margin:16px 0}.markdown-body pre code{background:transparent;color:inherit;padding:0}.markdown-body table{width:100%;border-collapse:collapse;margin:16px 0;background:#ffffff05;border-radius:8px;overflow:hidden}.markdown-body th{background:rgba(var(--accent-rgb),.1);padding:12px;text-align:left;font-weight:700;border-bottom:2px solid var(--border-color)}.markdown-body td{padding:12px;border-bottom:1px solid rgba(255,255,255,.05)}.markdown-body tr:last-child td{border-bottom:none}.markdown-body blockquote{border:1px solid var(--border-color);background:rgba(var(--accent-rgb),.05);margin:1.5em 0;padding:12px 20px;border-radius:8px;color:var(--text-muted);font-style:italic}.mermaid-diagram{text-align:center;margin:1.5em 0;overflow-x:auto}.mermaid-diagram svg{max-width:100%;height:auto}.mermaid-error{background:#2626264d;border:1px solid rgba(var(--accent-rgb),.2);border-radius:8px;padding:12px}.mermaid-error pre{margin:0}.mermaid-error-hint{display:block;margin-top:8px;font-size:.8em;color:var(--text-muted)}.mermaid-interactive{position:relative}.mermaid-toolbar{position:absolute;top:8px;right:8px;display:flex;gap:4px;opacity:0;transition:opacity .2s;z-index:1}.mermaid-interactive:hover .mermaid-toolbar{opacity:1}.mermaid-toolbar button{background:#262626cc;border:1px solid rgba(var(--accent-rgb),.3);color:var(--text-muted);border-radius:6px;padding:4px 6px;cursor:pointer;display:flex;align-items:center}.mermaid-toolbar button:hover{color:var(--accent-color);border-color:var(--accent-color)}.mermaid-fullscreen{max-width:95vw;max-height:95vh;overflow:auto;background:var(--bg-color);border-radius:12px;padding:24px}.mermaid-fullscreen svg{max-width:none;height:auto}.circuitikz-diagram{text-align:center;margin:1.5em 0;overflow-x:auto}.circuitikz-diagram svg{height:auto;min-width:400px}.circuitikz-loading{color:var(--text-secondary);font-style:italic;padding:12px}.circuitikz-error{background:#2626264d;border:1px solid rgba(239,68,68,.4);border-radius:8px;padding:12px}.circuitikz-error pre{margin:0}.circuitikz-error-hint{display:block;margin-top:8px;font-size:.8em;color:#ef4444;opacity:.8}.timeline-container{display:flex;flex-direction:column;gap:24px}.timeline-item{position:relative;margin-bottom:0}.timeline-card{margin-bottom:24px;padding:0!important;overflow:hidden}.timeline-header{padding:16px 24px;background:#ffffff08;border-bottom:1px solid var(--border-color);display:flex;justify-content:space-between;align-items:center}.timeline-header .date{font-weight:700;font-size:14px;color:var(--accent-primary)}.timeline-header-left{display:flex;align-items:center;gap:12px}.timeline-header-actions{display:flex;gap:8px}.timeline-body{padding:24px}.timeline-title{font-weight:500;font-size:14px;color:var(--text-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:400px}.grade-inline{font-weight:700;font-size:18px}.pending-pipeline-section{margin-bottom:40px;padding:24px;background:var(--core);border:1px solid rgba(var(--accent-rgb),.3);border-radius:16px;animation:slideDown .4s ease-out}.pending-pipeline-title{margin:0 0 16px;font-size:18px;color:var(--text-primary)}.pending-pipeline-grid{display:grid;gap:16px}.pipeline-item{display:flex;align-items:center;justify-content:space-between;gap:12px}.pipeline-item>div:first-child{display:flex;align-items:center;gap:8px}.pipeline-item-date{font-weight:700;font-size:14px}.pipeline-item-actions{display:flex;gap:8px;flex-shrink:0}@keyframes slideDown{0%{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}.status-badge{padding:4px 10px;border-radius:20px;font-size:11px;font-weight:700;letter-spacing:.05em;text-transform:uppercase}.status-badge.draft{background:#64748b33;color:#94a3b8;border:1px solid #64748B}.status-badge.verified{background:#10b9811a;color:#34d399;border:1px solid #10B981}.status-badge.merged{background:rgba(var(--accent-rgb),.1);color:var(--accent-primary-light);border:1px solid var(--accent-primary);box-shadow:0 0 10px rgba(var(--accent-rgb),.2)}.status-badge.class_event{background:#38bdf81a;color:#7dd3fc;border:1px solid #38BDF8}.status-badge.grade{background:#f59e0b1a;color:#fcd34d;border:1px solid #F59E0B}.notebook-pills{display:inline-flex;gap:var(--space-1);flex-wrap:wrap}.notebook-pill{font:inherit;font-size:.85em;padding:2px 8px;border:1px solid var(--border-2, #2a2a2a);border-radius:var(--radius-pill);background:transparent;color:var(--text-secondary);cursor:pointer;transition:border-color .12s,color .12s}.notebook-pill:hover{border-color:var(--accent);color:var(--text-primary)}.ai-meta-badge{padding:2px 8px;border-radius:12px;font-size:10px;font-weight:500;background:#94a3b81a;color:#94a3b8;border:1px solid rgba(148,163,184,.3);white-space:nowrap}.usage-totals{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px}.usage-table{width:100%;border-collapse:collapse;font-size:13px}.usage-table th,.usage-table td{text-align:left;padding:8px 12px;border-bottom:1px solid rgba(148,163,184,.15)}.usage-table th{color:#94a3b8;font-weight:600;font-size:11px;text-transform:uppercase}.token-section{margin-bottom:24px}.token-section h4{color:#94a3b8;font-size:12px;text-transform:uppercase;letter-spacing:.05em;margin-bottom:8px}.timeline-content{margin-top:16px}.drop-zone{border:2px dashed rgba(255,255,255,.2);border-radius:16px;padding:40px;text-align:center;background:#0003;transition:all .3s ease;cursor:pointer}.drop-zone:hover,.drop-zone.drag-over{border-color:var(--accent-primary);background:rgba(var(--accent-rgb),.05);box-shadow:0 0 20px rgba(var(--accent-rgb),.1);transform:scale(1.02)}.batch-audio-dropzone{border:2px dashed rgba(255,255,255,.2);border-radius:var(--radius-field);padding:24px;text-align:center;background:#00000026;cursor:pointer;transition:border-color .2s;display:flex;flex-direction:column;align-items:center;gap:10px}.batch-audio-dropzone:hover,.batch-audio-dropzone.drag-over{border-color:var(--accent-primary)}.batch-audio-dropzone p{margin:0;color:#ffffff80;font-size:.9rem}.batch-audio-file{display:flex;align-items:center;gap:12px;font-size:.9rem;color:#fffc}.audio-recorder-btn{display:inline-flex;align-items:center;gap:8px;padding:6px 16px;border-radius:8px;border:1px solid rgba(255,255,255,.15);background:#ffffff0f;color:#ffffffd9;font-size:.85rem;cursor:pointer;transition:background .2s,border-color .2s}.audio-recorder-btn:hover{background:#ffffff1a;border-color:#ffffff40}.audio-recorder-btn.recording{background:#ff32321f;border-color:#ff323266;padding:6px 12px}.audio-recorder-btn.recording:hover{background:#ff323233}.audio-rec-dot{width:8px;height:8px;border-radius:50%;background:#f44;flex-shrink:0;animation:rec-blink 1s ease-in-out infinite}@keyframes rec-blink{0%,to{opacity:1}50%{opacity:.3}}.audio-rec-timer{font-variant-numeric:tabular-nums;font-size:.8rem;color:#ffffffb3;flex-shrink:0}.audio-waveform-canvas{height:32px;border-radius:4px}.audio-mic-icon{font-size:1rem}.drop-zone span{font-size:48px;margin-bottom:16px;display:block}.attached-files{display:flex;flex-direction:column;gap:8px;margin:16px 0}.attached-file{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;background:#ffffff0d;border:1px solid var(--border-color);border-radius:8px;font-size:14px}.timetable-grid{--tt-hour-min: 92px;background:var(--card-bg);border:1px solid var(--card-border);border-radius:16px;overflow-x:auto;box-shadow:var(--shadow-lg)}.timetable-header{display:grid;min-width:min-content;background:#ffffff0d;font-weight:700;border-bottom:1px solid var(--border-color)}.timetable-row{display:grid;min-width:min-content;border-bottom:1px solid rgba(255,255,255,.05)}.timetable-row:last-child{border-bottom:none}.time-col{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:4px;border-right:1px solid rgba(255,255,255,.05);background:#0000004d;color:var(--text-secondary);text-align:center;min-width:0;overflow:hidden}.time-col .hour-num{font-size:13px;font-weight:800;color:var(--text-primary);margin-bottom:1px}.time-col .time-range{font-size:10px;opacity:.8;white-space:nowrap;max-width:100%;overflow:hidden;text-overflow:ellipsis}.timetable-corner-cell{font-size:12px;font-weight:700;color:var(--text-secondary)}.day-col{font-weight:700;color:var(--accent-primary);background:#0003;padding:4px 6px;font-size:13px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;border-right:1px solid rgba(255,255,255,.05)}.timetable-day-date{font-size:11px;font-weight:500;color:var(--text-secondary);opacity:.8}.sheet-cell{padding:6px;min-height:52px;min-width:0;overflow:hidden;display:flex;flex-direction:column;justify-content:center;align-items:flex-start;text-align:left;border-right:1px solid rgba(255,255,255,.05);transition:all .2s ease;cursor:pointer}.sheet-cell:hover{background:rgba(var(--accent-rgb),.1)}.sheet-cell .subject{font-size:11px;font-weight:700;margin-bottom:2px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;line-height:1.2;min-width:0}.sheet-cell .cell-meta{font-size:11px;color:var(--text-secondary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:100%;width:100%;min-width:0}.sheet-cell.free-hour{background:#10b9810d;border:1px dashed rgba(16,185,129,.2)}.sheet-cell.free-hour:hover{background:#10b9811a;border:1px dashed rgba(16,185,129,.4)}.sheet-cell.canceled{background:#ef44440d;border:1px dashed rgba(239,68,68,.25);cursor:default}.sheet-cell.canceled:hover{background:#ef444414}.sheet-cell .canceled-label{color:var(--text-secondary);text-decoration:line-through}.sheet-cell .canceled-badge{margin-top:2px;font-size:10px;color:#ef4444b3;font-family:var(--font-mono);letter-spacing:.04em}.sheet-cell.unmapped{background:#94a3b80d;border:1px dashed rgba(148,163,184,.35)}.sheet-cell.unmapped:hover{background:#94a3b81a}.sheet-cell.unmapped .subject{color:var(--text-secondary)}.timetable-row-holiday{position:relative}.holiday-placeholder{visibility:hidden;min-height:52px}.holiday-overlay{position:absolute;top:0;left:var(--tt-day-col, 120px);right:0;bottom:0;display:flex;align-items:center;justify-content:center;background:rgba(var(--accent-rgb),.08);border:1px dashed rgba(var(--accent-rgb),.3);border-radius:8px;color:rgba(var(--accent-rgb),.8);font-weight:500;font-size:.95rem;letter-spacing:.02em}@media(max-width:720px){.timetable-grid{--tt-day-col: 72px;--tt-hour-min: 104px}.sheet-cell{padding:5px 4px}.sheet-cell .subject{font-size:11px}.day-col{font-size:13px}}.modal-overlay{position:fixed;inset:0;background:#0b0f19cc;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;z-index:1000;animation:fadeIn .3s ease-out}.modal-content{background:var(--card-bg);border:1px solid var(--card-border);border-radius:16px;padding:32px;max-width:500px;width:90%;box-shadow:var(--shadow-lg);position:relative}.modal-close{position:absolute;top:16px;right:16px;background:transparent;border:none;font-size:24px;color:var(--text-secondary);cursor:pointer}.modal-close:hover{color:var(--text-primary)}.modal-detail-row{margin-bottom:12px;display:flex;flex-direction:column}.modal-detail-row label{font-size:12px;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.05em;margin-bottom:4px}.modal-detail-row span{font-size:16px;color:var(--text-primary);font-weight:500}.timetable-sheets-section{margin-top:16px;padding-top:16px;border-top:1px solid rgba(255,255,255,.08)}.timetable-sheets-section h3{font-size:14px;font-weight:600;color:var(--text-primary);margin:0 0 8px}.timetable-sheets-section h4{font-size:13px;font-weight:500;color:var(--text-secondary);margin:12px 0 6px}.timetable-sheet-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:4px;max-height:200px;overflow-y:auto}.timetable-sheet-list li{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:6px 8px;border-radius:6px;background:#ffffff0a}.timetable-sheet-title{font-size:13px;color:var(--text-primary);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;min-width:0;flex:1}.placeholder-view{display:flex;flex-direction:column;align-items:center;justify-content:center;height:60vh;text-align:center;animation:fadeIn .5s ease-out}.placeholder-view .icon{font-size:80px;margin-bottom:24px;filter:drop-shadow(0 0 20px rgba(var(--accent-rgb),.4));animation:pulse-glow 3s infinite}.placeholder-view p{font-size:18px;max-width:600px;color:var(--text-secondary)}.youtube-section{margin-top:24px;padding:24px;background:var(--core);border:1px solid rgba(255,0,0,.1);border-radius:16px}.youtube-input-group{display:flex;gap:12px;margin-top:16px}.youtube-preview{margin-top:16px;padding:16px;background:#0003;border-radius:12px;border:1px solid var(--border-color)}.class-ref-badge{display:inline-flex;align-items:center;gap:8px;background:var(--gradient-primary);color:#fff;padding:6px 16px;border-radius:20px;font-size:13px;font-weight:600;cursor:pointer;margin:12px 0;transition:all .2s ease;box-shadow:0 4px 15px rgba(var(--accent-rgb),.3);width:fit-content}.class-ref-badge:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(var(--accent-rgb),.5);filter:brightness(1.1)}.mindmap-container{animation:fadeIn .8s ease-out;margin-top:20px}.mermaid-container svg{max-width:100%;height:auto;filter:drop-shadow(0 10px 30px rgba(0,0,0,.3));transition:transform .3s ease}.mermaid-container:hover svg{transform:scale(1.01)}.node rect,.mindmap-node rect{rx:8px;ry:8px}.merged-collapsible{background:#000;border:1px solid #333;border-radius:12px;overflow:hidden;margin:10px 0;transition:all .3s ease}.merged-header{padding:12px 16px;cursor:pointer;display:flex;align-items:center;font-weight:700;color:var(--accent-primary-light);background:#ffffff05;-webkit-user-select:none;user-select:none}.merged-header:hover{background:#ffffff0d}.merged-content{padding:24px;border-top:1px solid #222;background:#050505}@keyframes highlight{0%{background:rgba(var(--accent-rgb),.5);transform:scale(1.02)}to{background:transparent;transform:scale(1)}}.glass-section{background:#ffffff08;border:1px solid var(--border-color);border-radius:12px;padding:12px}.selectable-item{padding:10px 12px;background:#ffffff08;border:1px solid transparent;border-radius:8px;cursor:pointer;transition:all .2s;font-size:13px;line-height:1.4}.selectable-item:hover{background:#ffffff14}.selectable-item.selected{background:rgba(var(--accent-rgb),.1);border-color:var(--accent-primary);color:var(--text-primary);font-weight:600}.file-row{display:flex;justify-content:space-between;align-items:center;padding:10px 12px;border-radius:8px;margin:2px 0;background:#00000026;transition:background .15s;font-size:14px}.file-row:hover{background:#00000040}.file-row-nested{display:flex;justify-content:space-between;align-items:center;padding:6px 10px;border-radius:6px;background:#0000001a;margin:3px 0;font-size:13px;cursor:pointer;transition:background .15s}.file-row-nested:hover{background:#0003}.folder-tree{margin-left:28px;margin-bottom:4px;border-left:2px solid rgba(255,255,255,.1);padding-left:12px}.form-group{margin-bottom:16px}.form-group label{display:block;font-size:12px;color:var(--text-secondary);margin-bottom:6px;text-transform:uppercase;letter-spacing:.05em}.modal-footer{display:flex;justify-content:flex-end;gap:10px;margin-top:20px;padding-top:16px;border-top:1px solid var(--border-color)}.empty-state{text-align:center;padding:40px 20px;color:var(--text-secondary)}.empty-state .icon{font-size:48px;margin-bottom:16px;display:block}.empty-state h3{color:var(--text-primary);margin-bottom:8px}.empty-state p{font-size:14px;max-width:400px;margin:0 auto}.mode-toggle{display:flex;gap:8px;padding:4px;background:#0000004d;border-radius:8px;margin-bottom:20px}.mode-toggle .btn{flex:1;border:none;background:transparent;color:var(--text-secondary);font-size:13px;font-weight:600}.mode-toggle .btn.active-study{background:#388bfd33;color:var(--accent-info)}.mode-toggle .btn.active-exam{background:#f59e0b33;color:#fcd34d}.status-banner{display:flex;align-items:center;gap:10px;padding:12px 16px;border-radius:8px;font-size:14px;font-weight:600;margin-bottom:16px}.status-banner.success{background:#10b9811a;border:1px solid rgba(16,185,129,.3);color:#34d399}.status-banner.warning{background:#f59e0b1a;border:1px solid rgba(245,158,11,.3);color:#fcd34d}.status-banner.error{background:#ef44441a;border:1px solid rgba(239,68,68,.3);color:#fca5a5}.gradient-heading{color:var(--text-primary)}.text-truncate{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.text-secondary{color:var(--text-secondary)}.text-muted{color:var(--text-muted)}.module-type-badge{display:inline-flex;align-items:center;gap:6px;font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.05em;opacity:.8;padding:2px 8px;border-radius:4px}.module-type-badge .dot{width:6px;height:6px;border-radius:50%;display:inline-block}.subject-header{display:flex;flex-direction:column;border-bottom:1px solid var(--border-color);margin-bottom:24px;flex-shrink:0}.subject-header-top{display:flex;align-items:center;gap:var(--space-3);padding:var(--space-4) var(--space-4) var(--space-2)}.subject-back-btn{flex-shrink:0}.subject-header-title{flex:1;font-size:20px;font-weight:700;margin:0;letter-spacing:-.025em}.exam-readiness-badge{display:flex;align-items:center;gap:8px;background:var(--core);border:1px solid rgba(var(--accent-rgb),.25);border-radius:12px;padding:6px 14px;cursor:pointer;transition:border-color .2s;flex-shrink:0;position:relative}.exam-readiness-badge:hover{border-color:rgba(var(--accent-rgb),.5)}.exam-readiness-badge svg{flex-shrink:0}.exam-readiness-badge-pct{position:absolute;left:14px;width:36px;text-align:center;font-size:10px;font-weight:700;color:var(--accent-primary)}.exam-readiness-badge-info{display:flex;flex-direction:column;gap:1px}.exam-readiness-badge-label{font-size:11px;font-weight:600;color:var(--accent-primary);text-transform:uppercase;letter-spacing:.5px}.exam-readiness-badge-detail{font-size:10px;color:var(--text-tertiary)}.subject-lang-toggle{font-size:11px;padding:2px 8px;opacity:.7;flex-shrink:0}.subject-lang-toggle:hover{opacity:1}.subject-actions{display:flex;gap:8px;flex-shrink:0}.subject-nav-tabs{display:flex;gap:var(--space-3);padding:0 var(--space-4);overflow-x:auto;border-bottom:1px solid var(--border-color)}.tab-btn{display:flex;align-items:center;gap:6px;background:transparent;border:none;border-bottom:2px solid transparent;color:var(--text-secondary);font-size:14px;font-weight:500;padding:10px 16px;cursor:pointer;transition:all .15s ease;white-space:nowrap;font-family:inherit}.tab-btn:hover{color:var(--text-primary);background:var(--btn-hover-bg)}.tab-btn.active{color:var(--text-primary);border-bottom-color:var(--accent-primary);font-weight:600}.notebook-moodle-bar{display:flex;align-items:center;gap:12px;padding:8px 16px;background:#ffffff05;border:1px solid var(--border-color);border-radius:8px;margin-bottom:16px;font-size:13px}.sub-tab-container{display:flex;gap:var(--space-2);padding:var(--space-2) var(--space-4) var(--space-4)}.sub-tab-pill{border-radius:var(--radius-pill);padding:var(--space-1) var(--space-3);font-size:.85rem;font-weight:500;cursor:pointer;transition:all .15s ease;background:var(--btn-bg);color:var(--text-secondary);border:1px solid var(--border-color)}.sub-tab-pill:hover{background:var(--btn-hover-bg);color:var(--text-primary);border-color:var(--btn-hover-border)}.sub-tab-pill.active{background:var(--accent-primary);color:var(--btn-primary-text);border-color:var(--accent-primary);font-weight:600}.more-dropdown-menu{position:fixed;padding:var(--space-2);display:flex;flex-direction:column;gap:var(--space-1);min-width:150px;z-index:1500;border:1px solid var(--card-border);background:var(--card-bg);-webkit-backdrop-filter:var(--glass-blur);backdrop-filter:var(--glass-blur);border-radius:var(--radius-md);box-shadow:var(--shadow-lg)}.more-dropdown-item{display:flex;align-items:center;gap:var(--space-2);width:100%;padding:var(--space-1) var(--space-2);border-radius:var(--radius-sm);border:none;background:transparent;color:inherit;font-size:.9rem;cursor:pointer;text-align:left;font-family:inherit;transition:background .15s ease}.more-dropdown-item:hover{background:var(--btn-hover-bg)}.more-dropdown-item.active{background:var(--accent-primary);color:var(--btn-primary-text)}.chat-side-panel{position:fixed;top:0;left:0;right:auto;width:var(--chat-window-width, 420px);min-width:min(320px,calc(100vw - 32px));max-width:calc(100vw - 32px);height:var(--chat-window-height, min(720px, calc(100vh - 32px) ));min-height:min(360px,calc(100dvh - 32px));max-height:calc(100dvh - 32px);background:var(--bg-color);-webkit-backdrop-filter:var(--glass-blur);backdrop-filter:var(--glass-blur);border:1px solid var(--card-border);border-radius:var(--radius-core);box-shadow:var(--shadow-lg);z-index:100;transform:translate3d(var(--chat-window-x, calc(100vw - 444px) ),var(--chat-window-y, 48px),0) scale(.98);transform-origin:top right;opacity:0;visibility:hidden;pointer-events:none;transition:transform .18s ease,opacity .18s ease,visibility 0s linear .18s;display:flex;flex-direction:column;overflow:hidden;container:agent-window / inline-size}.chat-side-panel.open{transform:translate3d(var(--chat-window-x, calc(100vw - 444px) ),var(--chat-window-y, 48px),0) scale(1);opacity:1;visibility:visible;pointer-events:auto;transition-delay:0s}.chat-side-panel.is-interacting{transition:none}.chat-side-panel.chat-docked{min-width:0;min-height:0;max-width:none;max-height:none;border:0;border-radius:0;box-shadow:none;transform:translate3d(var(--chat-window-x),var(--chat-window-y),0)}.chat-side-panel.chat-docked--right{border-left:1px solid var(--card-border)}.chat-side-panel.chat-docked--left{border-right:1px solid var(--card-border)}.chat-snap-preview{position:fixed;z-index:101;pointer-events:none;box-sizing:border-box;border:1px solid var(--text-muted);border-radius:var(--radius-core);background:color-mix(in srgb,var(--text-muted) 12%,transparent)}.chat-side-panel-header h3{flex:1}.subject-workspace.chat-window-interacting,.subject-workspace.chat-window-interacting *{cursor:var(--chat-interaction-cursor)!important;-webkit-user-select:none!important;user-select:none!important}.chat-resize-handle{position:absolute;z-index:1000;touch-action:none}.chat-resize-handle--n,.chat-resize-handle--s{left:24px;width:calc(100% - 48px);height:12px;cursor:ns-resize}.chat-resize-handle--n{top:0}.chat-resize-handle--s{bottom:0}.chat-resize-handle--e,.chat-resize-handle--w{top:24px;width:12px;height:calc(100% - 48px);cursor:ew-resize}.chat-resize-handle--e{right:0}.chat-resize-handle--w{left:0}.chat-resize-handle--ne,.chat-resize-handle--nw,.chat-resize-handle--se,.chat-resize-handle--sw{width:24px;height:24px}.chat-resize-handle--ne{top:0;right:0;cursor:nesw-resize}.chat-resize-handle--nw{top:0;left:0;cursor:nwse-resize}.chat-resize-handle--se{right:0;bottom:0;cursor:nwse-resize}.chat-resize-handle--sw{left:0;bottom:0;cursor:nesw-resize}.chat-resize-handle--se:after{content:"";position:absolute;right:5px;bottom:5px;width:6px;height:6px;border-right:1px solid var(--text-muted);border-bottom:1px solid var(--text-muted);opacity:.7}.chat-side-panel-header{display:flex;align-items:center;justify-content:space-between;gap:var(--space-3);padding:var(--space-3) var(--space-4);border-bottom:1px solid var(--card-border);cursor:grab;touch-action:none;-webkit-user-select:none;user-select:none;flex-shrink:0;min-height:48px}.chat-side-panel.is-interacting .chat-side-panel-header{cursor:grabbing}.chat-side-panel-header h3{margin:0;font-size:1.1rem;display:flex;align-items:center;gap:var(--space-2);min-width:0;overflow:hidden}.chat-side-panel-header h3 span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.chat-side-panel-header .btn{flex-shrink:0;cursor:pointer;width:40px;height:40px;padding:0;display:inline-grid;place-items:center}@media(pointer:coarse){.chat-resize-handle--n,.chat-resize-handle--s{left:36px;width:calc(100% - 72px);height:22px}.chat-resize-handle--e,.chat-resize-handle--w{top:36px;width:22px;height:calc(100% - 72px)}.chat-resize-handle--ne,.chat-resize-handle--nw,.chat-resize-handle--se,.chat-resize-handle--sw{width:36px;height:36px}.chat-resize-handle--se:after{right:9px;bottom:9px;width:10px;height:10px}}.chat-side-panel-body{flex:1;overflow:hidden}@container agent-window (max-width: 500px){.chat-side-panel .chat-input-area{flex-wrap:wrap}.chat-side-panel .chat-input-area .chat-input{order:-1;flex:1 0 100%}.chat-side-panel .chat-input-area .chat-send-btn{margin-left:auto}}.chat-embedded{height:100%}.chat-embedded .chat-messages{padding:16px 12px 8px}.chat-embedded .chat-input-area{width:calc(100% - 16px);margin:0 auto 8px;padding:8px 10px;gap:4px}.chat-embedded .chat-bubble-row{gap:8px}.chat-history-wrapper{position:relative;display:flex;align-items:center;gap:4px}.chat-history-btn,.chat-new-chat-btn{display:flex;align-items:center;justify-content:center;width:30px;height:30px;border:none;border-radius:var(--radius-md);background:transparent;color:var(--text-secondary);cursor:pointer;transition:background .15s,color .15s}.chat-history-btn:hover,.chat-new-chat-btn:hover,.chat-history-btn.active{background:#ffffff14;color:var(--text-primary)}.chat-history-dropdown{position:absolute;top:100%;left:0;z-index:50;min-width:260px;max-height:360px;overflow-y:auto;margin-top:4px;padding:6px;background:var(--card-bg, var(--core));-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border:1px solid var(--card-border);border-radius:var(--radius-lg);box-shadow:0 8px 24px #0006}.chat-history-empty{padding:12px 8px;text-align:center;color:var(--text-secondary);font-size:.85rem}.chat-history-group-label{padding:6px 8px 2px;font-size:.7rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--text-secondary)}.chat-history-item{display:flex;align-items:center;gap:6px;padding:7px 8px;border-radius:var(--radius-md);cursor:pointer;transition:background .12s}.chat-history-item:hover{background:#ffffff0f}.chat-history-item.active{background:rgba(var(--accent-rgb),.15)}.chat-history-item-title{flex:1;font-size:.85rem;color:var(--text-primary);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.chat-history-item-delete{display:none;align-items:center;justify-content:center;width:22px;height:22px;border:none;border-radius:var(--radius-sm);background:transparent;color:var(--text-secondary);cursor:pointer;flex-shrink:0}.chat-history-item:hover .chat-history-item-delete{display:flex}.chat-history-item-delete:hover{background:#ef444426;color:#ef4444}.chat-fab{position:fixed;bottom:var(--space-6);right:var(--space-6);width:56px;height:56px;border-radius:50%;background:var(--accent-primary);color:var(--btn-primary-text);display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-glow);cursor:pointer;z-index:90;border:none;transition:transform .2s ease}.chat-fab:hover{transform:scale(1.08)}.inline-generated-image{margin:.75rem 0;border-radius:var(--radius-field);overflow:hidden;background:var(--card-bg);border:1px solid rgba(255,255,255,.06)}.inline-generated-image-container{cursor:pointer}.inline-generated-image-container img{display:block;width:100%;max-height:500px;object-fit:contain;background:#0003}.inline-generated-image-meta{display:flex;gap:.5rem;padding:.4rem .75rem;font-size:.75rem;color:var(--text-secondary)}.inline-generated-image-style{background:rgba(var(--accent-rgb),.15);color:var(--accent-primary);padding:.1rem .5rem;border-radius:4px;text-transform:capitalize}.inline-generated-image-toolbar{display:flex;gap:.25rem;padding:.4rem .5rem;border-top:1px solid rgba(255,255,255,.06)}.inline-generated-image-toolbar button{display:flex;align-items:center;gap:.35rem;padding:.3rem .6rem;font-size:.75rem;border-radius:6px;border:none;background:#ffffff0d;color:var(--text-secondary);cursor:pointer;transition:background .15s}.inline-generated-image-toolbar button:hover{background:#ffffff1a;color:var(--text-primary)}.inline-generated-image-toolbar button:disabled{opacity:.5;cursor:default}.notebook-master-view{padding:var(--space-4)}.process-new-modal{max-width:640px;max-height:80vh;overflow-y:auto;width:95%}.subject-dashboard{display:flex;flex-direction:column;gap:var(--space-5);padding:var(--space-4)}.subject-dashboard-topbar{display:flex;align-items:center;justify-content:space-between;gap:var(--space-3);flex-wrap:wrap}.offline-ctl{margin-left:auto;display:flex;flex-direction:column;align-items:flex-end;gap:var(--space-1);font-size:.8rem}.offline-ctl-done,.offline-ctl-progress{display:flex;align-items:center;gap:var(--space-2);flex-wrap:wrap}.offline-ctl-status{display:inline-flex;align-items:center;gap:4px;color:var(--text-muted, #999)}.offline-ctl-status svg{color:var(--success, #3aa76d)}.offline-ctl-track{width:120px;height:4px;border-radius:2px;background:var(--hairline-strong, #333);overflow:hidden}.offline-ctl-fill{height:100%;background:var(--accent, #6ba1ff);transition:width var(--dur-fast, .15s) linear}.offline-ctl-spin{animation:spin 1s linear infinite}.offline-ctl-warn{display:inline-flex;align-items:center;gap:4px;color:var(--danger, #d9534f);max-width:320px;text-align:right}.dash-hero{display:grid;grid-template-columns:1.35fr 1fr;gap:var(--space-3)}.dash-hero-primary>.core{display:flex;align-items:center;gap:var(--space-5)}.dash-ring{position:relative;width:120px;height:120px;flex-shrink:0}.dash-ring-label{position:absolute;inset:0;display:flex;align-items:center;justify-content:center}.dash-ring-label b{font-family:var(--font-mono);font-size:30px;font-weight:600;letter-spacing:-.03em;color:var(--text)}.dash-ring-label b small{font-size:16px;color:var(--text-3)}.dash-hero-meta{min-width:0}.dash-hero-kicker{font-family:var(--font-mono);font-size:10px;font-weight:400;letter-spacing:.14em;text-transform:uppercase;color:var(--text-3)}.dashboard-hero-direction{font-size:13px;color:var(--text-3);margin:0;letter-spacing:.01em;min-height:1.4em}.dash-hero-headline{margin:var(--space-1) 0 var(--space-2);font-size:21px;font-weight:700;letter-spacing:-.02em;color:var(--text)}.dash-hero-sub{margin:0 0 var(--space-4);font-size:13.5px;color:var(--text-2);line-height:1.4}.dash-hero-side{display:grid;grid-template-rows:1fr 1fr;gap:var(--space-3)}.dash-mini{cursor:pointer;transition:transform var(--dur-base) var(--ease-fluid)}.dash-mini:hover{transform:translateY(-2px)}.dash-mini-label{font-family:var(--font-mono);font-size:10px;font-weight:400;letter-spacing:.14em;text-transform:uppercase;color:var(--text-3);margin-bottom:var(--space-2)}.dash-mini-value{font-family:var(--font-mono);font-size:26px;font-weight:600;letter-spacing:-.03em;color:var(--text);line-height:1}.dash-mini-value small{font-family:var(--font-sans);font-size:13px;font-weight:400;color:var(--text-3)}.dash-mini-context{margin-top:var(--space-2);font-size:12px;color:var(--text-3)}.dash-sparkline{display:flex;align-items:center;gap:var(--space-2);margin-top:var(--space-2)}.dash-sparkline-delta{font-family:var(--font-mono);font-size:12px;font-weight:600}.dash-work-row{display:flex;align-items:center;gap:var(--space-3);padding:var(--space-3) var(--space-4);cursor:pointer;transition:background var(--dur-base) var(--ease-fluid)}.dash-work-row+.dash-work-row{border-top:1px solid var(--hairline)}.dash-work-row:hover{background:var(--core-2)}.dash-work-glyph{width:34px;height:34px;border-radius:var(--radius-field);flex-shrink:0;display:flex;align-items:center;justify-content:center;border:1px solid var(--hairline);color:var(--accent)}.dash-work-glyph.warn{color:var(--warning);border-color:color-mix(in srgb,var(--warning) 35%,transparent)}.dash-work-body{flex:1;min-width:0}.dash-work-title{font-size:14px;font-weight:600;letter-spacing:-.01em;color:var(--text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.dash-work-context{margin-top:1px;font-size:12.5px;color:var(--text-2);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.session-mastery{margin-top:1rem;text-align:left}.session-mastery-head{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:.35rem;font-size:.9rem}.session-mastery-chip{font-variant-numeric:tabular-nums;font-weight:600}.session-config h3{margin:0 0 var(--space-4)}.session-length-chips{display:flex;flex-wrap:wrap;gap:var(--space-2)}.session-length-chips .chip{padding:.5rem 1rem;border:1px solid var(--border-color);border-radius:var(--radius-pill);background:transparent;color:var(--text-secondary);font-size:.9rem;cursor:pointer;transition:border-color .15s ease,color .15s ease,background .15s ease}.session-length-chips .chip:hover{border-color:var(--accent-primary);color:var(--text-primary)}.session-length-chips .chip--active{border-color:var(--accent-primary);background:rgba(var(--accent-rgb),.12);color:var(--text-primary);font-weight:600}.dash-lower{display:grid;grid-template-columns:1.3fr 1fr;gap:var(--space-3);align-items:start}.dash-lower.single{grid-template-columns:1fr}.dash-lower-col{min-width:0}.dash-activity-row{display:flex;gap:var(--space-3);padding:var(--space-2) 0}.dash-activity-row+.dash-activity-row{border-top:1px solid var(--hairline)}.dash-activity-dot{width:7px;height:7px;border-radius:50%;background:var(--text-4);margin-top:6px;flex-shrink:0}.dash-activity-dot.warn{background:var(--warning)}.dash-activity-body{min-width:0}.dash-activity-title{font-size:13px;font-weight:500;color:var(--text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.dash-activity-date{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.04em;color:var(--text-4);margin-top:1px}@media(max-width:760px){.dash-hero,.dash-lower{grid-template-columns:1fr}}.study-dashboard section{margin-top:var(--space-4)}.study-section-title{font-size:1rem;font-weight:600;margin-bottom:var(--space-2);color:var(--text-secondary)}.study-list{padding:0;overflow:hidden}.study-list-item{display:flex;align-items:center;justify-content:space-between;padding:var(--space-3) var(--space-4);cursor:pointer;transition:background .15s ease}.study-list-item:not(:last-child){border-bottom:1px solid var(--card-border)}.study-list-item:hover{background:var(--btn-hover-bg)}.study-list-info{display:flex;flex-direction:column;gap:2px}.study-list-name{font-weight:500;color:var(--text-primary)}.study-list-meta{font-size:.8rem;color:var(--text-muted);display:flex;align-items:center;gap:4px}.study-due-badge{color:var(--accent-warning, #F59E0B);font-weight:600;margin-left:6px}.study-back-btn{margin-bottom:var(--space-3)}.recent-activity-title-row{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--space-3)}.recent-activity-title{font-size:1rem;font-weight:600;margin:0;color:var(--text-secondary)}.recent-activity-type-icon{color:var(--text-muted);flex-shrink:0;display:flex;align-items:center}.recent-activity-list{display:flex;flex-direction:column;gap:var(--space-2)}.recent-activity-item{display:flex;align-items:center;gap:var(--space-3);font-size:.9rem}.recent-activity-date{color:var(--text-muted);flex-shrink:0}.recent-activity-dot{width:8px;height:8px;border-radius:50%;background:var(--accent-primary);flex-shrink:0}.recent-activity-text{color:var(--text-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.dashboard-wrapper{display:flex;flex-direction:column;gap:24px;animation:fadeIn .4s ease-out}.dashboard-title{font-size:32px;margin-bottom:4px}.dash-widgets-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px}.dash-widget{display:flex;flex-direction:column;gap:12px;padding:20px;min-height:160px}.dash-widget-header{display:flex;align-items:center;gap:10px}.dash-widget-icon{font-size:20px}.dash-widget h3{font-size:16px;font-weight:600;margin:0}.dash-widget-count{font-size:24px;font-weight:700;color:var(--text-primary)}.dash-widget-items{display:flex;flex-direction:column;gap:4px;flex:1}.dash-widget-item{display:flex;align-items:center;gap:8px;padding:5px 0;border-bottom:1px solid rgba(255,255,255,.04);font-size:13px}.dash-widget-item:last-child{border-bottom:none}.dash-item-badge{background:rgba(var(--accent-rgb),.15);color:var(--accent-primary);border-radius:4px;padding:1px 6px;font-size:11px;font-weight:700;flex-shrink:0}.dash-item-label{flex:1;color:var(--text-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.dash-item-meta{color:var(--text-muted);font-size:12px;flex-shrink:0}.dash-widget-link{margin-top:auto;align-self:flex-start;font-size:13px}.dash-loading,.dash-empty{color:var(--text-muted);font-size:14px;flex:1}.dash-subjects-section{display:flex;flex-direction:column;gap:12px}.dash-section-title{font-size:11px;font-weight:700;color:var(--text-muted);text-transform:uppercase;letter-spacing:.1em;margin:0}.dash-subject-chips{display:flex;flex-wrap:wrap;gap:8px}.dash-subject-chip{background:rgba(var(--accent-rgb),.1);border:1px solid rgba(var(--accent-rgb),.2);color:var(--text-primary);border-radius:20px;padding:6px 18px;font-size:14px;font-weight:500;cursor:pointer;transition:all .2s ease;font-family:inherit}.dash-subject-chip:hover{background:rgba(var(--accent-rgb),.2);border-color:rgba(var(--accent-rgb),.4);transform:translateY(-1px)}.dash-assistant-cta{display:flex;align-items:center;gap:0;padding:6px 6px 6px 24px;background:#ffffff0a;border:1px solid var(--border-color);border-radius:16px;width:100%;transition:border-color .2s,background .2s}.dash-assistant-cta:focus-within{border-color:rgba(var(--accent-rgb),.5);background:#ffffff0f}.dash-prompt-input{flex:1;background:none;border:none;outline:none;color:var(--text-color);font-size:16px;font-family:inherit;padding:14px 0;min-width:0}.dash-prompt-input::placeholder{color:var(--text-secondary);opacity:.5}.dash-prompt-send{display:flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:12px;border:none;background:var(--accent);color:#fff;cursor:pointer;flex-shrink:0;transition:opacity .2s,transform .15s}.dash-prompt-send:hover{opacity:.9;transform:scale(1.04)}.dash-prompt-send:active{transform:scale(.96)}.dash-stats-bar{display:flex;gap:12px;flex-wrap:wrap}.dash-stat-pill{display:flex;align-items:center;gap:6px;padding:8px 16px;background:#ffffff08;border:1px solid var(--border-color);border-radius:20px;font-size:13px}.dash-stat-value{font-weight:700;color:var(--text-primary)}.dash-stat-label{color:var(--text-muted);font-size:11px}.dash-progress-report{padding:16px 20px}.progress-report-grid{display:flex;gap:20px;flex-wrap:wrap;margin-top:12px}.progress-report-stat{display:flex;align-items:center;gap:6px;color:var(--text-secondary);font-size:.82rem}.progress-stat-value{font-weight:700;color:var(--text-primary);font-size:1.1rem}.progress-stat-label{color:var(--text-muted);font-size:.78rem}.progress-mastery-section{margin-top:12px;padding-top:12px;border-top:1px solid var(--border-color);display:flex;flex-direction:column;gap:6px}.progress-mastery-row{display:flex;align-items:center;gap:6px;font-size:.8rem}.progress-mastery-label{font-weight:600;font-size:.75rem;flex-shrink:0}.progress-mastery-topics{color:var(--text-secondary);font-size:.78rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.dash-progress-bar{width:100%;height:4px;background:#ffffff0f;border-radius:2px;overflow:hidden}.dash-progress-fill{height:100%;background:var(--accent);border-radius:2px;transition:width .3s ease}.dash-activity-chart{padding:20px}.dash-chart-bars{display:flex;gap:8px;height:120px}.dash-chart-col{flex:1;display:flex;flex-direction:column;align-items:center;gap:6px;height:100%}.dash-chart-bar-area{flex:1;width:100%;display:flex;align-items:flex-end;justify-content:center}.dash-chart-bar{width:60%;max-width:40px;border-radius:4px 4px 0 0;overflow:hidden;display:flex;flex-direction:column;min-height:2px}.dash-chart-segment-quiz{background:var(--accent-primary)}.dash-chart-segment-fc{background:#10b981}.dash-chart-label{font-size:11px;color:var(--text-muted)}.dash-chart-legend{display:flex;gap:16px;margin-top:12px;font-size:12px;color:var(--text-secondary)}.dash-legend-dot{display:inline-block;width:8px;height:8px;border-radius:50%;margin-right:4px}.subject-workspace{display:flex;flex-direction:column;flex:1;min-height:0}.subject-content{flex:1;overflow-y:auto}.subject-year-scope{display:contents}[data-year=archived]{--accent: var(--text-3);--accent-dim: var(--hairline-strong);--card-bg: transparent;--card-border: var(--hairline)}.dash-archived-mastery{font-size:2.25rem;font-weight:700;color:var(--text);line-height:1}.picker-modal{display:flex;flex-direction:column;max-height:80vh}.picker-title{margin-top:0;margin-bottom:16px;font-size:1.5rem;font-weight:600;letter-spacing:-.02em}.picker-scroll-area{flex:1;overflow-y:auto;margin-top:16px;margin-bottom:16px;padding-right:8px;scrollbar-width:thin;scrollbar-color:var(--hairline-strong) transparent}.picker-scroll-area::-webkit-scrollbar{width:8px}.picker-scroll-area::-webkit-scrollbar-thumb{background:var(--hairline-strong);border-radius:var(--radius-pill)}.selector-grid{display:flex;flex-direction:column;gap:12px}.selector-event-card{background:#ffffff08;border:1px solid var(--border-color);border-radius:12px;padding:16px;cursor:pointer;transition:all .2s ease}.selector-event-card:hover{background:rgba(var(--accent-rgb),.05);border-color:rgba(var(--accent-rgb),.3);transform:translateY(-2px)}.selector-event-card.selected{background:rgba(var(--accent-rgb),.15);border-color:var(--accent-primary);box-shadow:0 0 15px rgba(var(--accent-rgb),.2)}.selector-event-header{display:flex;justify-content:space-between;margin-bottom:8px;font-size:.9rem}.selector-event-date{font-weight:600;color:var(--accent-primary)}.selector-event-hour{color:var(--text-secondary)}.selector-event-theme{font-size:1.05rem;font-weight:500;margin-bottom:12px;color:var(--text-primary)}.selector-no-theme{color:var(--text-muted);font-style:italic}.picker-search-wrap input{width:100%;padding:var(--space-3) var(--space-4);border-radius:var(--radius-field);border:1px solid var(--border-color);background:#0003;color:var(--text-primary);font-size:.95rem;transition:border-color var(--dur-quick) var(--ease-swift),box-shadow var(--dur-quick) var(--ease-swift)}.picker-search-wrap input::placeholder{color:var(--text-muted)}.picker-search-wrap input:focus{outline:none;border-color:var(--hairline-strong);box-shadow:0 0 0 3px rgba(var(--accent-rgb),.08)}.execution-dashboard{max-width:960px}.exec-summary-row{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin:20px 0}.exec-summary-card .core{padding:16px;text-align:center}.exec-summary-value{font-size:1.5rem;font-weight:600;letter-spacing:-.01em;color:var(--text);line-height:1.2;font-variant-numeric:tabular-nums}.exec-summary-label{font-size:10px;color:var(--text-3);text-transform:uppercase;letter-spacing:.08em;margin-top:4px;font-weight:500;font-family:var(--font-mono)}.exec-panel-title{margin:0 0 16px;font-size:13px;color:var(--text-2);font-weight:500;letter-spacing:-.005em}.exec-panel-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.exec-error-item{padding:10px 12px;border-bottom:1px solid var(--hairline);cursor:pointer}.exec-error-item:last-child{border-bottom:none}.exec-error-header{display:flex;align-items:center;gap:10px}.exec-error-message{margin:8px 0 0;padding:8px 12px;background:color-mix(in srgb,var(--danger) 8%,transparent);border:1px solid color-mix(in srgb,var(--danger) 20%,transparent);border-radius:6px;font-size:12px;color:var(--danger);white-space:pre-wrap;word-break:break-word;font-family:var(--font-mono)}@media(max-width:640px){.exec-summary-row{grid-template-columns:repeat(2,minmax(0,1fr))}}.homework-container{display:flex;flex-direction:column;gap:20px;padding-top:0;width:100%}.homework-header{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px;padding-bottom:16px;border-bottom:1px solid var(--border-color);margin-bottom:8px}.homework-sync-buttons{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.homework-filter-row{display:flex;gap:12px;margin-bottom:4px}.homework-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(450px,1fr));gap:24px}.homework-card{display:flex;padding:24px;transition:transform .2s cubic-bezier(.4,0,.2,1)}.homework-checkbox-col{margin-right:16px;padding-top:2px}.homework-checkbox{width:22px;height:22px;accent-color:var(--accent-primary);cursor:pointer;border-radius:6px;transition:all .2s}.homework-body{flex:1;min-width:0}.homework-title-row{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:16px;gap:16px}.homework-title{margin:0;font-size:1.15rem;line-height:1.4;word-break:break-word}.homework-title-done{text-decoration:line-through;opacity:.6}.homework-meta-col{display:flex;flex-direction:column;align-items:flex-end;gap:8px;flex-shrink:0}.homework-source-badge{font-size:.75rem;font-weight:700;display:flex;align-items:center;gap:6px;padding:4px 12px;background:#ffffff0d;border:1px solid rgba(255,255,255,.1);border-radius:20px;text-transform:uppercase;letter-spacing:.05em}.homework-due{font-size:.85rem;color:var(--text-muted);display:flex;align-items:center;gap:6px;padding:4px 12px;background:#0003;border-radius:20px}.homework-due-overdue{color:var(--accent-danger);background:#ef44441a;border:1px solid rgba(239,68,68,.2)}.homework-due-done{color:var(--text-muted);opacity:.8}.homework-desc{font-size:.95rem;line-height:1.6;color:var(--text-secondary);background:#00000026;border:1px solid rgba(255,255,255,.05);padding:16px 20px;border-radius:12px;margin-top:12px;max-height:300px;overflow-y:auto}.homework-link{color:inherit;text-decoration:none;transition:all .2s;border-bottom:1px solid transparent}.homework-link:hover{color:var(--accent-primary);border-bottom-color:var(--accent-primary)}.homework-empty{text-align:center;padding:60px 20px;color:var(--text-muted);display:flex;flex-direction:column;align-items:center;justify-content:center}.homework-empty-text{font-size:1.2rem;margin-bottom:8px;color:var(--text-primary);font-weight:500}.messages-dashboard,.messages-feed,.exam-layout,.exam-readiness-dashboard{display:flex;flex-direction:column;gap:16px}.exam-readiness-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}@media(max-width:768px){.exam-readiness-grid{grid-template-columns:minmax(0,1fr)}}.exam-readiness-card{padding:14px;text-align:center;display:flex;flex-direction:column;align-items:center}.exam-readiness-ring-wrapper{position:relative;width:80px;height:80px;margin-bottom:12px}.exam-readiness-ring-pct{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);font-size:22px;font-weight:800;color:var(--text-primary)}.exam-readiness-card-label{font-size:14px;font-weight:600;color:var(--accent-primary)}.exam-readiness-card-detail{font-size:12px;color:var(--text-tertiary);margin-top:4px}.exam-grade-prediction{font-size:36px;font-weight:800;color:var(--accent);margin-bottom:8px}.exam-grade-factors{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px;justify-content:center}.exam-factor-strong{display:flex;align-items:center;gap:4px;font-size:11px;color:#4ade80;background:#4ade801a;padding:2px 8px;border-radius:6px}.exam-factor-weak{display:flex;align-items:center;gap:4px;font-size:11px;color:#f87171;background:#f871711a;padding:2px 8px;border-radius:6px}.exam-readiness-actions{align-items:stretch;gap:8px}.exam-action-btn{display:flex;align-items:center;justify-content:center;gap:6px;width:100%;padding:10px;border-radius:var(--radius-field);font-size:13px}.exam-weak-warning{display:flex;align-items:center;gap:12px;background:#f59e0b14;border:1px solid rgba(245,158,11,.2);border-radius:12px;padding:14px 18px}.exam-weak-warning-icon{color:#fbbf24;flex-shrink:0}.exam-weak-warning-content{flex:1}.exam-weak-warning-title{font-size:13px;font-weight:600;color:#fbbf24}.exam-weak-warning-tags{display:flex;gap:8px;margin-top:6px;flex-wrap:wrap}.exam-weak-tag{background:#f59e0b26;color:#fbbf24;padding:3px 10px;border-radius:6px;font-size:12px}.exam-weak-practice-btn{background:#f59e0b33;border:1px solid rgba(245,158,11,.3);color:#fbbf24;white-space:nowrap}.exam-deep-analysis{padding:20px}.exam-deep-section{margin-top:12px;padding-top:12px;border-top:1px solid rgba(var(--accent-rgb),.1);font-size:14px;color:var(--text-secondary)}.exam-deep-section:first-of-type{border-top:none;margin-top:0;padding-top:0}.exam-deep-improvement{background:rgba(var(--accent-rgb),.08);border-radius:8px;padding:12px;border-top:none}.exam-question-actions{display:flex;align-items:center;gap:6px;flex-shrink:0}.exam-practice-btn{display:flex;align-items:center;gap:4px;background:var(--accent);color:#fff;border:none;font-weight:600}.grouped-grades,.grades-view,.global-workspace{display:flex;flex-direction:column;gap:16px}.grades-intelligence-card{margin-bottom:var(--space-2)}.grades-overview-text{font-size:.9rem;line-height:1.6;color:var(--text-secondary)}.grades-subject-card{display:flex;flex-direction:column;gap:8px}.grade-badges-row{display:flex;flex-wrap:wrap;gap:6px}.grade-badge{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:var(--radius-sm);background:#ffffff0f;font-weight:700;font-size:.9rem}.grade-review-actions{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.grade-review-actions .btn-sm{max-width:200px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.moodle-layout{display:flex;flex-direction:column;gap:16px}.timetable-controls{display:flex;flex-direction:column;gap:12px;margin-bottom:16px}.timetable-nav{display:flex;gap:8px}.flashcard-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.5rem}.flashcard-deck-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:1rem}.flashcard-deck-card{cursor:pointer;transition:transform .15s ease,box-shadow .15s ease;padding:1.25rem}.flashcard-deck-card:hover{transform:translateY(-2px);box-shadow:0 8px 24px #0000004d}.flashcard-deck-card-header{display:flex;justify-content:space-between;align-items:flex-start;gap:.5rem;margin-bottom:.75rem}.flashcard-deck-card-header h3{margin:0;font-size:1rem;line-height:1.3}.flashcard-source-badge{font-size:.7rem;text-transform:uppercase;letter-spacing:.05em;padding:2px 8px;border-radius:4px;background:rgba(var(--accent-rgb),.15);color:var(--accent-primary);white-space:nowrap}.flashcard-deck-share-btn{margin-left:auto;flex-shrink:0;width:26px;height:26px;padding:0;justify-content:center;border-radius:6px;color:var(--text-3, var(--text-2));opacity:.6;transition:opacity var(--dur-base) var(--ease-fluid),color var(--dur-base) var(--ease-fluid),background var(--dur-base) var(--ease-fluid)}.flashcard-deck-card:hover .flashcard-deck-share-btn{opacity:1}.flashcard-deck-share-btn:hover:not(:disabled){opacity:1;color:var(--text);background:var(--shell);transform:none}.flashcard-deck-share-btn:active:not(:disabled){transform:scale(.94)}.flashcard-deck-card-stats{display:flex;gap:.75rem;font-size:.85rem;color:var(--text-secondary)}.flashcard-due-badge{color:#f59e0b;font-weight:600}.deck-borrow{border:1px solid var(--accent, var(--hairline-strong));background:none;color:var(--accent, var(--text));border-radius:999px;padding:2px 10px;font:inherit;font-size:.8rem;cursor:pointer}.deck-borrow:hover{background:var(--shell)}.deck-borrowed-from{display:inline-flex;align-items:center;gap:.35rem;color:var(--text-secondary);font-style:italic}.deck-return{border:none;background:none;color:var(--text-secondary);font:inherit;line-height:1;cursor:pointer;padding:0 2px}.deck-return:hover{color:var(--text)}.flashcard-deck-card-meta{margin-top:.5rem;font-size:.8rem}.flashcard-deck-header{display:flex;align-items:center;gap:1rem;margin-bottom:.5rem;flex-wrap:wrap}.flashcard-deck-header h2{margin:0;flex:1}.flashcard-deck-actions{display:flex;gap:.5rem;flex-wrap:wrap}.flashcard-deck-meta{display:flex;gap:.5rem;font-size:.85rem;color:var(--text-secondary);margin-bottom:1.5rem}.flashcard-add-form .input{width:100%}.flashcard-card-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:.75rem}.flashcard-list-item{aspect-ratio:1 / 1;cursor:pointer;transition:transform .16s ease,box-shadow .16s ease}.flashcard-list-item:hover{transform:translateY(-2px)}.flashcard-list-item .core{display:flex;flex-direction:column;gap:.5rem}.flashcard-list-item:has(.flashcard-edit-form){aspect-ratio:auto;cursor:default;grid-column:span 2}.flashcard-list-item:has(.flashcard-edit-form):hover{transform:none}.flashcard-list-item-header{display:flex;align-items:center;justify-content:space-between;gap:.5rem;flex-shrink:0}.flashcard-list-item-content{flex:1;min-height:0;min-width:0;overflow:hidden;display:flex;flex-direction:column;gap:.35rem}.flashcard-list-type{font-size:.6rem;text-transform:uppercase;letter-spacing:.08em;color:var(--text-muted);font-family:var(--font-mono)}.flashcard-list-front{font-size:.85rem;font-weight:500;color:var(--text-1);line-height:1.35;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.flashcard-list-back{font-size:.72rem;color:var(--text-3);line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.flashcard-list-front p,.flashcard-list-back p{margin:0}.flashcard-list-item-actions{position:absolute;inset-inline-end:.5rem;inset-block-end:.5rem;display:flex;align-items:center;gap:.25rem;opacity:0;transition:opacity .16s ease;pointer-events:none}.flashcard-list-item:hover .flashcard-list-item-actions,.flashcard-list-item:focus-within .flashcard-list-item-actions{opacity:1;pointer-events:auto}.flashcard-sm2-badge{display:inline-flex;align-items:center;gap:6px;font-family:var(--font-mono);font-size:.68rem;letter-spacing:.02em;padding:2px 8px;border-radius:var(--radius-pill);font-weight:500;color:var(--text-2);background:transparent;border:1px solid var(--hairline)}.flashcard-sm2-badge:before{content:"";width:5px;height:5px;border-radius:50%;background:currentColor;opacity:.55}.flashcard-sm2-badge.new{color:var(--text-3)}.flashcard-sm2-badge.learning{color:var(--warning);border-color:color-mix(in srgb,var(--warning) 24%,transparent)}.flashcard-sm2-badge.mature{color:var(--success);border-color:color-mix(in srgb,var(--success) 24%,transparent)}.flashcard-review-container{display:flex;flex-direction:column;align-items:center;padding:1rem 0}.flashcard-review-header{display:flex;align-items:center;gap:1rem;width:100%;margin-bottom:2rem}.flashcard-progress{font-size:.85rem;color:var(--text-secondary);white-space:nowrap}.flashcard-progress-bar{flex:1;height:4px;background:#ffffff14;border-radius:2px;overflow:hidden}.flashcard-progress-fill{height:100%;background:var(--accent);border-radius:2px;transition:width .3s ease}.flashcard-scene{width:100%;max-width:560px;min-height:320px;perspective:1000px;cursor:pointer}.flashcard-inner{width:100%;min-height:320px;transition:transform .5s cubic-bezier(.4,0,.2,1);transform-style:preserve-3d;position:relative}.flashcard-inner.flipped{transform:rotateY(180deg)}.flashcard-face{position:absolute;top:0;left:0;width:100%;min-height:320px;backface-visibility:hidden;-webkit-backface-visibility:hidden;border-radius:16px;padding:2rem;display:flex;flex-direction:column;background:var(--card-bg);border:1px solid var(--card-border);box-sizing:border-box}.flashcard-back{transform:rotateY(180deg)}.flashcard-type-badge{font-size:.65rem;text-transform:uppercase;letter-spacing:.1em;color:var(--accent-primary);margin-bottom:1rem}.flashcard-content{flex:1;display:flex;flex-direction:column;justify-content:center;font-size:1.1rem;line-height:1.6}.flashcard-content p{margin:0 0 .5rem}.flashcard-hint{text-align:center;font-size:.75rem;color:var(--text-muted);margin-top:auto;padding-top:1rem}.flashcard-choices{display:flex;flex-direction:column;gap:.5rem;margin-top:1rem}.flashcard-choice{padding:.5rem .75rem;border-radius:8px;background:#ffffff0a;border:1px solid rgba(255,255,255,.08);font-size:.9rem}.flashcard-rating-buttons{display:flex;gap:.5rem;margin-top:auto;padding-top:1.5rem;justify-content:center}.rating-btn{padding:.5rem 1.25rem;border-radius:8px;border:1px solid rgba(255,255,255,.1);background:#ffffff0d;color:var(--text-primary);font-size:.85rem;font-weight:500;cursor:pointer;transition:all .15s ease}.rating-btn:hover{transform:translateY(-1px)}.rating-again{border-color:#ef44444d;color:#ef4444}.rating-again:hover{background:#ef444426}.rating-hard{border-color:#f59e0b4d;color:#f59e0b}.rating-hard:hover{background:#f59e0b26}.rating-good{border-color:#10b9814d;color:#10b981}.rating-good:hover{background:#10b98126}.rating-easy{border-color:rgba(var(--accent-rgb),.3);color:var(--accent-primary-light)}.rating-easy:hover{background:rgba(var(--accent-rgb),.15)}.flashcard-review-summary{max-width:480px;margin:2rem auto;text-align:center;padding:2.5rem}.review-stats-grid{display:flex;gap:2rem;justify-content:center;margin-top:1.5rem}.review-stat{display:flex;flex-direction:column;align-items:center}.review-stat-value{font-size:2rem;font-weight:700;color:var(--text-primary)}.review-stat-label{font-size:.8rem;color:var(--text-secondary);margin-top:.25rem}.flashcard-gen-stage{margin-top:.75rem;padding:.5rem .75rem;border-radius:8px;background:rgba(var(--accent-rgb),.1);color:var(--accent-primary);font-size:.85rem}.flashcard-hub-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:1rem}.flashcard-hub-stat{display:flex;flex-direction:column;align-items:center;text-align:center;padding:1.25rem;gap:.5rem}.flashcard-hub-stat-value{font-size:2rem;font-weight:700;color:var(--text-primary)}.flashcard-hub-stat-label{font-size:.8rem;color:var(--text-secondary)}.flashcard-hub-subjects{display:flex;flex-direction:column;gap:.75rem}.flashcard-hub-subject-row{display:flex;align-items:center;gap:1rem;padding:.5rem 0}.flashcard-hub-subject-info{flex:1;display:flex;flex-direction:column;min-width:0}.flashcard-hub-subject-name{font-weight:500;font-size:.9rem}.flashcard-mastery-bar-container{width:120px;height:8px;background:#ffffff0f;border-radius:4px;position:relative;overflow:hidden}.flashcard-mastery-bar{height:100%;background:var(--accent);border-radius:4px;transition:width .3s ease}.flashcard-mastery-label{position:absolute;right:-40px;top:-4px;font-size:.7rem;color:var(--text-secondary)}.quiz-type-breakdown{display:flex;flex-direction:column;gap:.75rem}.quiz-type-row{display:flex;align-items:center;gap:.75rem}.quiz-type-label{width:120px;font-size:.85rem;color:var(--text-secondary);flex-shrink:0}.quiz-type-bar-container{flex:1;height:8px;background:#ffffff0f;border-radius:4px;overflow:hidden}.quiz-type-bar{height:100%;border-radius:4px;transition:width .3s ease}.quiz-type-pct{width:40px;text-align:right;font-size:.85rem;font-weight:600}.notebook-toolbar{display:flex;align-items:center;justify-content:space-between;gap:.5rem;margin-bottom:.75rem}.quiz-config{display:flex;justify-content:center;padding-top:1rem}.quiz-config-card{max-width:480px;width:100%}.quiz-config-card label{font-size:.8rem;color:var(--text-secondary);margin-bottom:.25rem;display:block}.quiz-type-checkboxes{display:flex;flex-wrap:wrap;gap:.5rem}.quiz-type-checkbox{display:flex;align-items:center;gap:.6rem;font-size:.85rem;color:var(--text-primary);cursor:pointer}.quiz-gen-stage{margin-top:.75rem;padding:.5rem .75rem;border-radius:8px;background:rgba(var(--accent-rgb),.1);color:var(--accent-primary);font-size:.85rem}.quiz-session{max-width:700px;margin:0 auto}.quiz-progress-bar{height:4px;background:#ffffff14;border-radius:2px;margin-bottom:.5rem;overflow:hidden}.quiz-progress-fill{height:100%;background:var(--accent);border-radius:2px;transition:width .3s ease}.quiz-progress-label{font-size:.8rem;color:var(--text-secondary);margin-bottom:1rem;text-align:center}.quiz-question-card{padding:1.5rem}.quiz-question-type-badge{font-size:.7rem;text-transform:uppercase;letter-spacing:.05em;color:var(--accent-primary);background:rgba(var(--accent-rgb),.12);padding:2px 8px;border-radius:4px;display:inline-block;margin-right:.4rem;margin-bottom:.75rem}.quiz-question-text{font-size:1.05rem;margin-bottom:1.25rem;line-height:1.6}.quiz-answer-area{margin-bottom:1rem}.quiz-mc-options{display:flex;flex-direction:column;gap:.5rem}.quiz-mc-option{display:flex;align-items:flex-start;gap:.75rem;padding:.75rem 1rem;border-radius:var(--radius-field);border:1px solid var(--card-border);background:#ffffff08;cursor:pointer;text-align:left;transition:all .15s ease;color:var(--text-primary);font-size:.95rem}.quiz-mc-option:hover:not(:disabled){border-color:var(--accent-primary);background:rgba(var(--accent-rgb),.06)}.quiz-mc-option.selected{border-color:var(--accent-primary);background:rgba(var(--accent-rgb),.12)}.quiz-mc-option.correct{border-color:#22c55e;background:#22c55e1a}.quiz-mc-option.incorrect{border-color:#ef4444;background:#ef44441a}.quiz-mc-letter{flex-shrink:0;width:24px;height:24px;display:flex;align-items:center;justify-content:center;border-radius:50%;background:#ffffff0f;font-size:.8rem;font-weight:600}.quiz-mc-option p{margin:0}.quiz-tf-options{display:flex;gap:.75rem}.quiz-tf-btn{flex:1;padding:.75rem;border-radius:var(--radius-field);border:1px solid var(--card-border);background:#ffffff08;cursor:pointer;font-size:1rem;font-weight:500;color:var(--text-primary);transition:all .15s ease}.quiz-tf-btn:hover:not(:disabled){border-color:var(--accent-primary)}.quiz-tf-btn.selected{border-color:var(--accent-primary);background:rgba(var(--accent-rgb),.12)}.quiz-tf-btn.correct{border-color:#22c55e;background:#22c55e1a}.quiz-tf-btn.incorrect{border-color:#ef4444;background:#ef44441a}.quiz-open-input{width:100%;resize:vertical}input.quiz-fill-blank-input{appearance:none;width:100%;background:#ffffff08;border:1px solid var(--card-border);border-radius:var(--radius-field);padding:.75rem 1rem;color:var(--text-primary);font-size:.95rem;transition:all .15s ease}input.quiz-fill-blank-input:focus{outline:none;border-color:var(--accent-primary);background:rgba(var(--accent-rgb),.06);box-shadow:none}input.quiz-fill-blank-input:disabled{opacity:.6;cursor:not-allowed}.quiz-feedback{border-radius:var(--radius-field);padding:.75rem 1rem;margin-bottom:1rem}.quiz-feedback.correct{background:#22c55e14;border:1px solid rgba(34,197,94,.3)}.quiz-feedback.incorrect{background:#ef444414;border:1px solid rgba(239,68,68,.3)}.quiz-feedback.quiz-eval-error{background:#f59e0b14;border:1px solid rgba(245,158,11,.35)}.quiz-feedback.quiz-eval-error .quiz-feedback-header{color:#f59e0b}.quiz-feedback-header{display:flex;align-items:center;gap:.5rem;font-weight:600;margin-bottom:.5rem}.quiz-feedback.correct .quiz-feedback-header{color:#22c55e}.quiz-feedback.incorrect .quiz-feedback-header{color:#ef4444}.quiz-partial-score{font-weight:400;font-size:.85rem;opacity:.8}.quiz-feedback-explanation{font-size:.9rem;color:var(--text-secondary);line-height:1.5}.quiz-feedback-explanation p{margin:0}.quiz-actions{display:flex;justify-content:flex-end;gap:.5rem}.quiz-actions .btn{display:flex;align-items:center;gap:.35rem}.quiz-results{max-width:700px;margin:0 auto}.quiz-score-card{text-align:center;padding:2rem;margin-bottom:1.5rem}.quiz-score-grid{display:flex;justify-content:center;gap:2.5rem;margin-top:1.25rem}.quiz-score-value{font-size:1.8rem;font-weight:700;color:var(--accent-primary)}.quiz-score-label{font-size:.8rem;color:var(--text-secondary);margin-top:.25rem}.quiz-review-list{display:flex;flex-direction:column;gap:.5rem}.quiz-review-item{padding:0}.quiz-review-item summary{display:flex;align-items:center;gap:.5rem;padding:.75rem 1rem;cursor:pointer;font-size:.9rem;list-style:none}.quiz-review-item summary::-webkit-details-marker{display:none}.quiz-review-item.correct summary{color:#22c55e}.quiz-review-item.incorrect summary{color:#ef4444}.quiz-review-q-num{font-weight:600;flex-shrink:0}.quiz-review-q-preview{color:var(--text-secondary);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.quiz-review-detail{padding:0 1rem 1rem;border-top:1px solid var(--card-border)}.quiz-review-question{margin:.75rem 0;font-size:.95rem}.quiz-review-answers{font-size:.85rem;color:var(--text-secondary);display:flex;flex-direction:column;gap:.25rem;margin-bottom:.5rem}.quiz-review-explanation{font-size:.85rem;color:var(--text-secondary)}.quiz-review-explanation p{margin:0}.quiz-history{max-width:700px;margin:0 auto}.quiz-history-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.25rem}.quiz-history-list{display:flex;flex-direction:column;gap:.5rem}.quiz-history-item{display:flex;justify-content:space-between;align-items:center;padding:.75rem 1rem}.quiz-history-info{display:flex;align-items:center;gap:1rem}.quiz-history-score{font-size:1.25rem;font-weight:700;color:var(--accent-primary);min-width:50px}.quiz-history-meta{display:flex;gap:.75rem;font-size:.8rem;color:var(--text-secondary)}.quiz-history-difficulty{text-transform:capitalize}.spin{animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.summary-modal{max-width:700px;max-height:85vh;display:flex;flex-direction:column}.summary-modal-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:1rem}.summary-modal-config{display:flex;flex-direction:column}.summary-modal-config label{font-size:.8rem;color:var(--text-secondary);margin-bottom:.25rem}.summary-gen-stage{margin-top:.75rem;padding:.5rem .75rem;border-radius:8px;background:rgba(var(--accent-rgb),.1);color:var(--accent-primary);font-size:.85rem}.summary-modal-content{flex:1;overflow-y:auto;padding:1rem;border:1px solid var(--card-border);border-radius:var(--radius-field);background:#00000026;margin-bottom:1rem;max-height:55vh;line-height:1.6}.summary-modal-footer{display:flex;justify-content:space-between;align-items:center}.summary-modal-footer .btn{display:flex;align-items:center;gap:.35rem}.auth-page{height:100dvh;display:flex;align-items:safe center;justify-content:center;padding:clamp(16px,4vw,40px);overflow-y:auto;background:var(--bg)}.auth-stage{width:min(980px,100%);display:grid;grid-template-columns:minmax(0,1fr) minmax(340px,430px);gap:clamp(18px,3vw,30px);align-items:stretch}.auth-aside{display:flex;flex-direction:column;justify-content:center;gap:20px;min-width:0;padding:10px 0;max-width:460px}.auth-aside-copy{display:flex;flex-direction:column;gap:14px}.auth-card-shell{width:100%;max-width:430px;justify-self:end;align-self:stretch;background:transparent;padding:0;border-radius:0;box-shadow:none}.auth-card-core{display:flex;flex-direction:column;gap:18px;min-height:100%;padding:clamp(20px,3vw,28px);background:var(--card-bg);border:1px solid var(--card-border);border-radius:var(--radius-core);box-shadow:none}.auth-card-head{display:flex;align-items:center;justify-content:flex-start;gap:12px;flex-wrap:wrap}.auth-brand{display:inline-flex;align-items:center;gap:12px;min-width:0}.auth-brand-mark{width:42px;height:42px;flex-shrink:0;display:grid;place-items:center;border-radius:14px;border:1px solid var(--card-border);background:var(--core-2);color:var(--text)}.auth-brand-glyph{width:22px;height:22px;overflow:visible}.auth-brand-copy{display:flex;flex-direction:column;gap:3px;min-width:0}.auth-brand-name{font-size:1.08rem;font-weight:600;letter-spacing:-.05em;color:var(--text)}.auth-brand-label{font-family:var(--font-mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase}.auth-brand-label{color:var(--text-3)}.auth-heading{display:flex;flex-direction:column;gap:8px}.auth-title{font-size:clamp(1.8rem,3.3vw,2.3rem);font-weight:600;line-height:.98;letter-spacing:-.055em;color:var(--text);text-wrap:balance}.auth-subtitle{max-width:34ch;color:var(--text-2);font-size:.92rem;line-height:1.6;text-wrap:pretty}.auth-surface-title{max-width:13ch;font-size:clamp(2rem,4.6vw,3rem);font-weight:600;line-height:.96;letter-spacing:-.06em;color:var(--text);text-wrap:balance}.auth-surface-body{max-width:40ch;color:var(--text-2);font-size:.9rem;line-height:1.65;text-wrap:pretty}.auth-feature-list{display:grid;gap:0}.auth-feature-line{display:grid;grid-template-columns:16px minmax(0,1fr);gap:12px;padding:13px 0;border-top:1px solid var(--hairline);background:transparent}.auth-feature-line:last-child{border-bottom:1px solid var(--hairline)}.auth-feature-icon{width:16px;height:16px;flex-shrink:0;display:inline-flex;align-items:center;justify-content:center;color:var(--text-3);margin-top:2px}.auth-feature-icon svg{width:14px;height:14px;stroke-width:1.8}.auth-feature-text{color:var(--text-2);font-size:.85rem;line-height:1.5}.auth-form{display:flex;flex-direction:column;gap:12px}.auth-form .input-group{margin-bottom:0}.auth-form-grid{display:grid;gap:12px}.auth-field{min-width:0}.auth-field .input-wrap{min-height:46px}.auth-field .input-wrap input{font-size:13px}.auth-select-wrap{position:relative}.auth-select-wrap .dropdown-wrapper{width:100%}.auth-select-wrap .dropdown-trigger{min-height:46px;padding-left:40px}.auth-select-icon{position:absolute;left:14px;top:50%;z-index:1;width:14px;height:14px;color:var(--text-3);pointer-events:none;transform:translateY(-50%);stroke-width:1.5}.auth-password-toggle{width:28px;height:28px;display:grid;place-items:center;flex-shrink:0;border:none;border-radius:999px;background:transparent;color:var(--text-3);cursor:pointer;transition:background var(--dur-base) var(--ease-fluid),color var(--dur-base) var(--ease-fluid)}.auth-password-toggle:hover{color:var(--text);background:color-mix(in srgb,var(--text) 5%,transparent)}.auth-password-toggle:focus-visible{outline:2px solid color-mix(in srgb,var(--text) 18%,transparent);outline-offset:2px}.auth-password-toggle svg{width:15px;height:15px;stroke-width:1.8}.auth-submit,.auth-social-btn{width:100%;min-height:46px}.auth-submit{justify-content:space-between}.auth-submit.btn-primary{box-shadow:none}.auth-social-btn{justify-content:center;gap:10px}.auth-social-mark{width:24px;height:24px;display:inline-grid;place-items:center;flex-shrink:0;border-radius:8px;border:1px solid var(--card-border);background:var(--core-2);color:var(--text);font-size:.9rem;font-weight:600}.auth-divider{display:flex;align-items:center;gap:12px;color:var(--text-4);font-family:var(--font-mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase}.auth-divider:before,.auth-divider:after{content:"";flex:1;height:1px;background:var(--hairline)}.auth-error,.auth-info,.auth-plan-banner{padding:12px 14px;border-radius:14px;font-size:.8rem;line-height:1.6}.auth-error{border:1px solid color-mix(in srgb,var(--danger) 30%,transparent);background:color-mix(in srgb,var(--danger) 10%,transparent);color:color-mix(in srgb,var(--danger) 76%,white 24%)}.auth-info,.auth-plan-banner{border:1px solid var(--card-border);background:var(--core);color:var(--text-2)}.auth-info strong,.auth-plan-banner strong{color:var(--text)}.auth-links{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}.auth-links-centered{justify-content:center}.link-btn{padding:0;border:none;background:none;color:var(--text-2);font-size:.83rem;cursor:pointer;text-decoration:underline;text-decoration-color:var(--hairline-strong);text-underline-offset:4px;text-decoration-thickness:1px;transition:color var(--dur-base) var(--ease-fluid),text-decoration-color var(--dur-base) var(--ease-fluid)}.link-btn:hover{color:var(--text);text-decoration-color:var(--text-2)}.auth-copy-stack{display:grid;gap:12px}.auth-status-actions{display:flex;flex-wrap:wrap;gap:10px}.auth-status-actions .btn{min-height:44px}@media(max-width:900px){.auth-stage{grid-template-columns:minmax(0,1fr);max-width:520px}.auth-aside{display:none}.auth-card-shell{max-width:none;justify-self:stretch}}@media(max-width:640px){.auth-page{padding:16px;height:100dvh;align-items:flex-start;overflow-y:auto}.auth-card-core{padding:20px 18px}.auth-card-head{flex-direction:column;align-items:flex-start}.auth-title{font-size:1.65rem}.auth-subtitle{max-width:none}.auth-links,.auth-status-actions{align-items:stretch}.auth-status-actions .btn,.auth-submit,.auth-social-btn{width:100%}.auth-field .input-wrap{padding-top:0;padding-bottom:0}.auth-field .input-wrap input{min-height:44px;padding:10px 0;font-size:16px;align-self:stretch}.link-btn{display:inline-flex;align-items:center;min-height:44px;padding:8px 0}.auth-password-toggle{width:44px;height:44px}}.sidebar-version{display:block;text-align:center;font-size:.7rem;color:var(--text-4);opacity:.7;padding:8px 0 4px;font-family:var(--font-mono)}.handwritten-source{border:1px solid var(--card-border);border-radius:8px;margin:8px 0;overflow:hidden;background:var(--core)}.handwritten-source-header{display:flex;align-items:center;gap:10px;padding:6px 10px;cursor:pointer;-webkit-user-select:none;user-select:none}.handwritten-source-header:hover{background:color-mix(in srgb,var(--text) 5%,transparent)}.handwritten-source-thumb{height:60px;width:auto;border-radius:4px;object-fit:cover;opacity:.7}.handwritten-source-label{color:var(--text-secondary);font-size:.85rem;font-style:italic;flex:1}.handwritten-source-chevron{color:var(--text-secondary);transition:transform .2s;flex-shrink:0}.handwritten-source-chevron.expanded{transform:rotate(180deg)}.handwritten-source-full{max-width:100%;cursor:zoom-in;border-top:1px solid var(--card-border);display:block}.image-mode-toggle{display:flex;gap:0;border-radius:8px;overflow:hidden;border:1px solid var(--border-color)}.image-mode-btn{padding:4px 10px;font-size:.75rem;background:transparent;color:var(--text-secondary);border:none;cursor:pointer;transition:all .15s ease;white-space:nowrap}.image-mode-btn:not(:last-child){border-right:1px solid var(--border-color)}.image-mode-btn:hover{background:rgba(var(--accent-rgb),.1);color:var(--text-primary)}.image-mode-btn.active{background:rgba(var(--accent-rgb),.2);color:var(--accent-color);font-weight:500}.batch-item-thumbnail{width:40px;height:40px;border-radius:6px;object-fit:cover;cursor:pointer;transition:opacity .2s}.batch-item-thumbnail:hover{opacity:.8}.lightbox-overlay{position:fixed;inset:0;background:#000000d9;display:flex;align-items:center;justify-content:center;z-index:9999;cursor:pointer}.lightbox-img{max-width:90vw;max-height:90vh;border-radius:8px;cursor:default}.lightbox-close{position:absolute;top:16px;right:24px;background:none;border:none;color:#fff;font-size:2rem;cursor:pointer;opacity:.8}.lightbox-close:hover{opacity:1}.topics-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}.topic-card{padding:16px}.topic-card h3{margin:0 0 4px;font-size:15px}.topic-card-footer{display:flex;align-items:center;justify-content:space-between;margin-top:8px}.topic-weight-group{display:inline-flex;align-items:center;gap:8px}.topic-emphasized-badge{display:inline-flex;align-items:center;gap:3px;font-size:.7rem;font-weight:600;padding:1px 6px;border-radius:999px;color:#b45309;background:#f59e0b26}.topic-card-actions{display:flex;gap:4px;opacity:0;transition:opacity .2s}.topic-card:hover .topic-card-actions{opacity:1}.topic-action-btn{display:inline-flex;align-items:center;justify-content:center;padding:4px 6px;font-size:.75rem;border-radius:6px}.topic-mastery-bar{height:4px;background:#ffffff1a;border-radius:2px;margin-top:8px;overflow:hidden}.topic-mastery-fill{height:100%;border-radius:2px;transition:width .3s ease}.topic-picker-overlay{position:fixed;inset:0;z-index:999}.topic-sheet-picker{position:fixed;z-index:1000;min-width:240px;max-width:360px;background:var(--card-bg);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:1px solid var(--border-color);border-radius:8px;box-shadow:0 8px 32px #0006;overflow:hidden}.topic-picker-header{padding:8px 12px;font-weight:600;font-size:.85rem;color:var(--accent-color);border-bottom:1px solid var(--border-color)}.topic-picker-item{display:flex;gap:8px;padding:8px 12px;cursor:pointer;transition:background .15s}.topic-picker-item:hover{background:rgba(var(--accent-rgb),.15)}.topic-picker-date{font-size:.8rem;color:var(--text-muted);white-space:nowrap}.topic-picker-title{font-size:.85rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.inline-quiz{background:var(--card-bg, var(--core));border:1px solid rgba(var(--accent-rgb),.2);border-radius:12px;padding:16px;margin:8px 0}.inline-quiz.empty{color:var(--text-secondary, #94A3B8);font-size:13px}.quiz-progress{height:4px;background:#ffffff14;border-radius:2px;margin-bottom:8px;overflow:hidden}.quiz-progress-bar{height:100%;background:var(--gradient-primary);border-radius:2px;transition:width .3s ease}.quiz-counter{font-size:12px;color:var(--text-secondary, #94A3B8);margin-bottom:12px;text-align:right}.quiz-question{font-size:15px;line-height:1.5;margin-bottom:14px;color:var(--text-primary, #E2E8F0)}.quiz-question p{margin:0}.quiz-options{display:flex;flex-direction:column;gap:8px}.quiz-option{display:flex;align-items:flex-start;gap:10px;padding:10px 14px;background:#ffffff0a;border:1px solid rgba(255,255,255,.08);border-radius:8px;color:var(--text-primary, #E2E8F0);cursor:pointer;text-align:left;font-size:14px;transition:border-color .2s,background .2s}.quiz-option:hover:not(:disabled){border-color:rgba(var(--accent-rgb),.4);background:rgba(var(--accent-rgb),.08)}.quiz-option:disabled{cursor:default}.quiz-option p{margin:0}.quiz-option-letter{flex-shrink:0;width:22px;height:22px;display:flex;align-items:center;justify-content:center;border-radius:6px;background:#ffffff0f;font-size:12px;font-weight:600;color:var(--text-secondary, #94A3B8)}.quiz-option.correct{border-color:#22c55e;background:#22c55e1a}.quiz-option.correct .quiz-option-letter{background:#22c55e33;color:#22c55e}.quiz-option.wrong{border-color:#ef4444;background:#ef44441a}.quiz-option.wrong .quiz-option-letter{background:#ef444433;color:#ef4444}.quiz-tf{flex-direction:row}.quiz-tf .quiz-option{flex:1;justify-content:center;font-weight:500}.quiz-explanation{display:flex;gap:8px;align-items:flex-start;padding:10px 12px;border-radius:8px;font-size:13px;line-height:1.5;margin-top:10px}.quiz-explanation p{margin:0}.quiz-explanation.correct{background:#22c55e14;color:#86efac}.quiz-explanation.wrong{background:#ef444414;color:#fca5a5}.quiz-explanation svg{flex-shrink:0;margin-top:2px}.quiz-next-btn{display:block;margin:14px 0 0 auto;padding:8px 20px;background:var(--gradient-primary);color:var(--btn-primary-text);border:none;border-radius:8px;font-size:13px;font-weight:500;cursor:pointer;transition:opacity .2s}.quiz-next-btn:hover{opacity:.9}.quiz-score{text-align:center;padding:20px 0}.quiz-score-pct{font-size:40px;font-weight:700;color:var(--text-primary)}.quiz-score-fraction{font-size:14px;color:var(--text-secondary, #94A3B8);margin:4px 0 8px}.quiz-score-msg{font-size:15px;color:var(--text-primary, #E2E8F0)}.exercise-widget{background:var(--card-bg, var(--core));border:1px solid rgba(var(--accent-rgb),.2);border-radius:12px;padding:1rem 1.25rem;margin:1.25rem 0;transition:border-color .2s,background .2s}.exercise-widget.correct{border-color:#22c55e66;background:#22c55e14}.exercise-widget.incorrect{border-color:#ef444466;background:#ef444414}.exercise-widget.accent{border-color:rgba(var(--accent-rgb),.4)}.exercise-widget-label{font-size:.7rem;font-weight:600;color:var(--text-muted);text-transform:uppercase;margin-bottom:.5rem}.exercise-widget-prompt{margin-bottom:.75rem}.exercise-widget-input-row{display:flex;gap:.5rem;align-items:center}.exercise-widget-input-row input{flex:1;max-width:300px}.exercise-widget-textarea{width:100%;resize:vertical;margin-bottom:.5rem}.exercise-widget-options{display:flex;flex-direction:column;gap:.4rem}.exercise-widget-options .btn{text-align:left;justify-content:flex-start}.exercise-widget-options .btn.correct{background:#22c55e26;border-color:#22c55e}.exercise-widget-options .btn.incorrect{background:#ef444426;border-color:#ef4444}.exercise-widget-tf{display:flex;gap:.5rem}.exercise-widget-tf .btn{min-width:80px}.exercise-widget-tf .btn.correct{background:#22c55e26;border-color:#22c55e}.exercise-widget-tf .btn.incorrect{background:#ef444426;border-color:#ef4444}.exercise-widget-feedback{margin-top:.75rem;padding:.5rem .75rem;border-radius:8px;background:var(--core)}.exercise-widget-feedback-result{font-size:.75rem;font-weight:600;margin-right:.5rem}.exercise-widget-feedback-result.correct{color:#22c55e}.exercise-widget-feedback-result.incorrect{color:#ef4444}.exercise-widget-feedback-answer{font-size:.85rem}.exercise-widget-feedback-answer .label{font-size:.75rem;color:var(--text-secondary)}.flashcard-container{perspective:800px;cursor:pointer;margin-bottom:12px}.flashcard-inner{position:relative;min-height:140px;transition:transform .5s ease;transform-style:preserve-3d}.flashcard-container.flipped .flashcard-inner{transform:rotateY(180deg)}.flashcard-front,.flashcard-back{position:absolute;inset:0;backface-visibility:hidden;padding:20px;border-radius:var(--radius-field);display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;font-size:15px;line-height:1.5}.flashcard-front{background:#ffffff0a;border:1px solid rgba(255,255,255,.08);color:var(--text-primary, #E2E8F0)}.flashcard-back{background:rgba(var(--accent-rgb),.1);border:1px solid rgba(var(--accent-rgb),.25);color:var(--text-primary, #E2E8F0);transform:rotateY(180deg)}.flashcard-front p,.flashcard-back p{margin:0}.flashcard-hint{font-size:11px;color:var(--text-secondary, #94A3B8);margin-top:12px}.flashcard-rating{display:flex;gap:10px}.flashcard-rate-btn{flex:1;display:flex;align-items:center;justify-content:center;gap:6px;padding:10px;border:1px solid rgba(255,255,255,.08);border-radius:8px;font-size:13px;font-weight:500;cursor:pointer;transition:border-color .2s,background .2s;background:transparent;color:var(--text-primary, #E2E8F0)}.flashcard-rate-btn.got-it:hover{border-color:#22c55e;background:#22c55e1a}.flashcard-rate-btn.didnt-know:hover{border-color:#ef4444;background:#ef44441a}.inline-flashcards{background:var(--card-bg, var(--core));border:1px solid rgba(var(--accent-rgb),.2);border-radius:12px;padding:16px;margin:8px 0;outline:none}.inline-flashcards:focus-within{border-color:rgba(var(--accent-rgb),.4)}.inline-flashcards-collapsed{display:flex;align-items:center;justify-content:space-between;background:var(--card-bg, var(--core));border:1px solid rgba(var(--accent-rgb),.15);border-radius:8px;padding:10px 14px;margin:8px 0;cursor:pointer;font-size:13px;color:var(--text-secondary, #94A3B8);transition:border-color .2s}.inline-flashcards-collapsed:hover{border-color:rgba(var(--accent-rgb),.3)}.inline-flashcards-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px;font-size:13px;font-weight:600;color:var(--text-primary, #E2E8F0)}.inline-flashcards-collapse-btn{background:none;border:none;color:var(--text-secondary, #94A3B8);cursor:pointer;padding:2px}.inline-flashcards-summary{display:flex;justify-content:center;gap:2rem;padding:1.5rem 0}.inline-flashcards-stat{text-align:center}.inline-flashcards-stat .stat-value{display:block;font-size:24px;font-weight:700;color:var(--text-primary)}.inline-flashcards-stat .stat-label{font-size:12px;color:var(--text-secondary, #94A3B8)}.quiz-source-badge{display:inline-flex;align-items:center;gap:4px;padding:2px 8px;border-radius:var(--radius-field);font-size:11px;font-weight:500;background:rgba(var(--accent-rgb),.15);color:#a5b4fc}.sheets-view-toggle{display:flex;gap:4px}.sheets-view-toggle .btn{display:flex;align-items:center;gap:4px}.note-title-input{width:100%;padding:10px 14px;font-size:18px;font-weight:600;background:transparent;border:1px solid transparent;border-bottom:1px solid var(--border-color);color:var(--text-primary);outline:none;margin-bottom:8px;border-radius:0}.note-title-input:focus{border-bottom-color:var(--accent-primary)}.note-title-input:disabled{opacity:.6}.note-tags-row{display:flex;align-items:center;gap:6px;flex-wrap:wrap;margin-bottom:12px;min-height:28px}.note-tag-pill{display:inline-flex;align-items:center;gap:4px}.note-tag-remove{background:none;border:none;color:inherit;cursor:pointer;padding:0;display:flex;opacity:.6}.note-tag-remove:hover{opacity:1}.note-tag-input{background:transparent;border:none;color:var(--text-primary);outline:none;font-size:13px;min-width:80px}.note-tag-input::placeholder{color:var(--text-muted, rgba(148, 163, 184, .5))}.note-editor-area{flex:1;min-height:0;margin-bottom:12px}.note-save-status{display:flex;align-items:center;gap:4px;font-size:12px;color:var(--text-secondary)}.note-save-status .text-warning{color:#f59e0b}.note-card .sheet-card-title{display:flex;align-items:center;gap:6px}.scan-dropzone{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.5rem;padding:2.5rem 1.5rem;border:2px dashed rgba(255,255,255,.12);border-radius:12px;cursor:pointer;transition:border-color .2s,background .2s;margin-bottom:1rem}.scan-dropzone:hover{border-color:var(--accent-color, var(--accent));background:rgba(var(--accent-rgb),.05)}.scan-result-text{background:#00000040;border:1px solid rgba(255,255,255,.08);border-radius:8px;padding:1rem;max-height:300px;overflow-y:auto}.scan-formulas{display:flex;flex-wrap:wrap;gap:6px}.scan-formulas code{background:rgba(var(--accent-rgb),.15);padding:2px 8px;border-radius:4px;font-size:.85rem}.scan-table-preview{background:#0003;border:1px solid rgba(255,255,255,.06);border-radius:6px;padding:.75rem;font-size:.8rem;overflow-x:auto;margin-bottom:.5rem}.math-toolbar{display:flex;flex-wrap:wrap;gap:6px;padding:6px 12px;border-bottom:1px solid rgba(255,255,255,.06);width:100%}.math-toolbar-btn{background:#ffffff0f;border:1px solid rgba(255,255,255,.1);border-radius:6px;color:#ffffffd9;padding:4px 12px;font-size:.8rem;cursor:pointer;transition:all .15s ease;display:flex;align-items:center;gap:4px;white-space:nowrap}.math-toolbar-btn:hover{background:rgba(var(--accent-rgb),.15);border-color:rgba(var(--accent-rgb),.4)}.math-toolbar-btn.active{background:rgba(var(--accent-rgb),.2);border-color:var(--accent)}.math-toolbar-btn:disabled{opacity:.5;cursor:not-allowed}.math-toolbar-spinner{display:inline-block;width:12px;height:12px;border:2px solid rgba(255,255,255,.2);border-top-color:var(--accent);border-radius:50%;animation:spin .6s linear infinite}.loading-spinner{display:block;width:32px;height:32px;margin:0 auto;border:3px solid var(--hairline);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite}.math-toolbar-formulas-wrap{position:relative}.math-toolbar-dropdown{position:absolute;bottom:calc(100% + 6px);left:0;min-width:220px;max-height:400px;overflow-y:auto;background:#0f172af2;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border:1px solid rgba(255,255,255,.1);border-radius:var(--radius-field);padding:6px;z-index:50;box-shadow:0 8px 32px #0006}.math-toolbar-dropdown-btn{width:100%;background:none;border:none;color:#ffffffd9;padding:6px 10px;font-size:.82rem;cursor:pointer;border-radius:6px;display:flex;align-items:center;justify-content:space-between;transition:background .15s}.math-toolbar-dropdown-btn:hover,.math-toolbar-dropdown-btn.active{background:rgba(var(--accent-rgb),.15)}.math-toolbar-dropdown-formulas{padding:4px 0 4px 12px;border-left:2px solid rgba(var(--accent-rgb),.3);margin-left:8px}.math-toolbar-formula-item{padding:4px 8px;border-radius:4px;margin-bottom:2px}.math-toolbar-formula-item .katex{font-size:.85em}.math-toolbar-formula-name{font-size:.72rem;color:#ffffff80;text-transform:uppercase;letter-spacing:.3px;display:block;margin-bottom:1px}.math-toolbar-insert-btn{width:100%;background:rgba(var(--accent-rgb),.15);border:1px solid rgba(var(--accent-rgb),.3);color:#818cf8;padding:5px 10px;font-size:.78rem;cursor:pointer;border-radius:6px;margin-top:4px;transition:background .15s}.math-toolbar-insert-btn:hover{background:rgba(var(--accent-rgb),.25)}.chat-math-toggle.active{color:var(--accent);background:rgba(var(--accent-rgb),.15)}.math-engine-card{background:#0f172ab3;border:1px solid rgba(255,255,255,.06);border-radius:var(--radius-field);padding:12px 16px;margin:4px 0;max-width:600px}.math-engine-card.math-engine-error{border-color:#ef444466;background:#ef444414}.math-engine-label{display:flex;align-items:center;gap:6px;font-size:.65rem;font-weight:600;text-transform:uppercase;letter-spacing:.8px;color:#818cf8;margin-bottom:10px}.math-engine-error-text{color:#f87171;font-size:.85rem}.math-engine-solutions,.math-engine-deriv,.math-engine-integral{font-size:.95rem}.math-engine-solution-title{font-size:.78rem;color:#ffffff80;margin-bottom:4px}.math-engine-solution-item{padding:2px 0}.math-engine-solution-item .katex{font-size:1.1em}.math-engine-steps-wrap{margin-top:8px}.math-engine-steps-toggle{background:none;border:none;color:#818cf8;font-size:.8rem;cursor:pointer;display:flex;align-items:center;gap:4px;padding:2px 0}.math-engine-steps-toggle:hover{color:#a5b4fc}.math-engine-steps{padding-left:4px;margin-top:6px}.math-engine-step{border-left:2px solid rgba(var(--accent-rgb),.3);padding:4px 0 4px 12px;margin-bottom:4px;font-size:.88rem;color:#fffc}.math-engine-step .katex{font-size:.95em}.math-engine-plot{margin-top:6px}.math-engine-formulas-list{display:flex;flex-direction:column;gap:6px}.math-engine-formula-card{background:#ffffff08;border:1px solid rgba(255,255,255,.06);border-radius:6px;padding:8px 12px}.math-engine-formula-name{font-size:.75rem;font-weight:600;color:#fff9;text-transform:uppercase;letter-spacing:.3px;margin-bottom:2px}.math-engine-formula-card .katex{font-size:.95em}.math-engine-formula-note{margin-top:2px;font-size:.78rem;color:#ffffff73}.math-engine-formula-note .katex{font-size:.85em}.grapher-page{display:flex;flex-direction:column;height:100%;min-height:0}.grapher-header{display:flex;justify-content:space-between;align-items:center;padding:.75rem 1rem;border-bottom:1px solid rgba(255,255,255,.08)}.grapher-layout{display:flex;flex:1;min-height:0}.grapher-graph{flex:1;min-width:0;overflow:hidden}.grapher-graph svg{width:100%!important;height:100%!important}.grapher-controls{width:280px;border-left:1px solid rgba(255,255,255,.08);overflow-y:auto;padding:1rem;display:flex;flex-direction:column;gap:1rem}.grapher-section-title{font-size:.75rem;text-transform:uppercase;letter-spacing:.05em;color:#ffffff80;margin:0 0 .5rem}.grapher-fn-row{display:flex;align-items:center;gap:.5rem;padding:.4rem .5rem;border-radius:6px;border:1px solid rgba(255,255,255,.08);margin-bottom:.35rem;cursor:pointer;transition:border-color .15s}.grapher-fn-row.active{border-color:var(--accent)}.grapher-fn-dot{width:10px;height:10px;border-radius:50%;flex-shrink:0}.grapher-fn-input{flex:1;background:transparent;border:none;color:var(--text-color);font-family:JetBrains Mono,monospace;font-size:.85rem;outline:none;min-width:0}.grapher-fn-remove{background:none;border:none;color:#fff6;cursor:pointer;padding:2px;display:flex}.grapher-fn-remove:hover{color:#ef4444}.grapher-add-fn{width:100%;margin-top:.25rem}.grapher-toggle{padding:.3rem .65rem;font-size:.78rem;border-radius:4px;border:1px solid rgba(255,255,255,.15);background:transparent;color:#ffffffb3;cursor:pointer;transition:all .15s}.grapher-toggle.active{background:var(--accent);border-color:var(--accent);color:#fff}.grapher-props{display:flex;flex-direction:column;gap:.35rem;font-size:.82rem}.grapher-prop-item{display:flex;gap:.4rem;flex-wrap:wrap}.grapher-prop-label{color:#ffffff80;white-space:nowrap}.grapher-step-select{background:#ffffff0f;border:1px solid rgba(255,255,255,.12);border-radius:4px;color:var(--text-color);font-size:.75rem;padding:.2rem .4rem}.grapher-table-wrap{max-height:260px;overflow-y:auto;border-radius:6px;border:1px solid rgba(255,255,255,.08)}.grapher-table{width:100%;border-collapse:collapse;font-size:.78rem;font-family:JetBrains Mono,monospace}.grapher-table th{position:sticky;top:0;background:var(--core);padding:.35rem .5rem;text-align:right;font-weight:500;border-bottom:1px solid rgba(255,255,255,.1)}.grapher-table td{padding:.25rem .5rem;text-align:right;border-bottom:1px solid rgba(255,255,255,.04)}.grapher-export-dropdown{position:absolute;right:0;top:100%;margin-top:4px;background:var(--card-bg);border:1px solid rgba(255,255,255,.12);border-radius:6px;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);z-index:10;min-width:140px}.grapher-export-dropdown button{display:block;width:100%;text-align:left;background:none;border:none;color:var(--text-color);padding:.5rem .75rem;cursor:pointer;font-size:.85rem}.grapher-export-dropdown button:hover{background:#ffffff0f}@media(max-width:768px){.grapher-layout{flex-direction:column}.grapher-graph{min-height:300px}.grapher-controls{width:100%;border-left:none;border-top:1px solid rgba(255,255,255,.08);max-height:50vh}}.app-main{height:100dvh;overflow-y:auto;overflow-x:hidden;padding:20px 24px 120px;min-width:0}.app-main>*{max-width:none;margin-left:0;margin-right:0}.app-main.app-main--chat{padding:0;overflow:hidden;display:flex;flex-direction:column}.app-main.app-main--chat>*{max-width:none;margin-left:0;margin-right:0}.app-main.app-main--chat>.topbar{flex-shrink:0;padding:20px 24px 0;margin-bottom:16px}.app-main.app-main--chat>:not(.topbar){flex:1;min-height:0}.app-main.app-main--subject{padding:0 var(--chat-dock-right, 0px) 0 var(--chat-dock-left, 0px);overflow:hidden;display:flex;flex-direction:column;transition:padding .18s ease}.app-main.app-main--subject.chat-dock-resizing{transition:none}@media(prefers-reduced-motion:reduce){.app-main.app-main--subject{transition:none}}.app-main.app-main--subject>*{max-width:none;margin-left:0;margin-right:0}.app-main.app-main--subject>.topbar{flex-shrink:0;padding:20px 24px 0;margin-bottom:16px}.app-main.app-main--subject>.subject-workspace{flex:1;min-height:0;overflow:hidden}.app-main.app-main--subject .subject-header{flex-shrink:0;padding:0 24px}.app-main.app-main--subject .subject-header-top,.app-main.app-main--subject .subject-nav-tabs{padding-left:0;padding-right:0}.app-main.app-main--subject .subject-content{flex:1;min-height:0;overflow-y:auto;overflow-x:hidden;padding:16px 24px 48px}.app-main.app-main--subject .notebook-master-view,.app-main.app-main--subject .subject-dashboard{padding:0}.sidebar{border-right:1px solid var(--hairline);padding:24px 0 var(--space-6);display:flex;flex-direction:column;gap:2px;position:sticky;top:0;width:240px;height:100dvh;overflow-y:auto;background:var(--bg)}.sidebar-brand{display:flex;align-items:center;gap:11px;padding:2px 20px 26px;margin-bottom:var(--space-2);border-bottom:1px solid var(--hairline);cursor:pointer}.sidebar-brand-mark{width:22px;height:22px;color:var(--text)}.sidebar-brand-name{font-size:14px;font-weight:600;letter-spacing:-.025em;color:var(--text)}.sidebar-search{padding:8px 14px 4px}.sidebar-nav{display:flex;flex-direction:column;gap:2px}.nav-label{display:flex;align-items:center;font-family:var(--font-mono);font-size:9px;color:var(--text-4);letter-spacing:.18em;text-transform:uppercase;padding:18px 20px 8px}.nav-item{display:flex;align-items:center;gap:12px;margin:1px 10px;padding:7px 10px;border-radius:8px;border:none;background:transparent;color:var(--text-2);font-size:13px;font-weight:500;cursor:pointer;position:relative;text-align:left;font-family:inherit;transition:color var(--dur-base) var(--ease-fluid),background var(--dur-base) var(--ease-fluid)}.nav-item:hover{color:var(--text);background:color-mix(in srgb,var(--text) 3%,transparent)}.nav-item.active{color:var(--text);background:color-mix(in srgb,var(--text) 4%,transparent)}.nav-item.active:before{content:"";position:absolute;left:-10px;top:7px;bottom:7px;width:2px;background:var(--text);border-radius:1px}.nav-item svg{width:15px;height:15px;opacity:.8;flex-shrink:0}.nav-item-label{flex:1}.nav-item-badge{font-family:var(--font-mono);font-size:9px;color:var(--text-3);padding:1px 6px;border:1px solid var(--hairline);border-radius:4px}.subj-nav{display:flex;align-items:center;gap:11px;margin:1px 10px;padding:6px 10px;border-radius:8px;border:none;background:transparent;color:var(--text-2);font-size:13px;cursor:pointer;text-align:left;font-family:inherit;transition:color var(--dur-base) var(--ease-fluid),background var(--dur-base) var(--ease-fluid)}.subj-nav:hover,.subj-nav.active{color:var(--text);background:color-mix(in srgb,var(--text) 3%,transparent)}.subj-nav .dot{width:6px;height:6px;border-radius:50%;flex-shrink:0}.subj-nav-name{flex:1}.sidebar-add-subject{padding:8px 14px}.sidebar-add-row{display:flex;gap:6px}.sidebar-add-row input{flex:1;background:var(--shell);border:1px solid var(--hairline);border-radius:6px;padding:6px 10px;color:var(--text);font-size:12px;font-family:inherit;outline:none}.sidebar-add-row input:focus{border-color:var(--hairline-strong)}.sidebar-add-row .btn-primary.btn-sm{background:var(--text);color:var(--bg);border:none;border-radius:6px;width:32px;height:32px;padding:0;cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0}.sidebar-add-row .btn-primary.btn-sm svg{width:16px;height:16px;stroke-width:1.8}.sidebar-footer{margin-top:auto;padding-top:var(--space-4);border-top:1px solid var(--hairline);display:flex;flex-direction:column;gap:2px}@media(max-width:860px){.nav-item-badge,.topbar .top-actions .pill-stamp{display:none}}.topbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--space-9)}.breadcrumb{font-family:var(--font-mono);font-size:10px;color:var(--text-3);letter-spacing:.14em;text-transform:uppercase}.breadcrumb .sep{color:var(--text-4);margin:0 8px}.breadcrumb .cur{color:var(--text)}.top-actions{display:flex;align-items:center;gap:var(--space-3)}.outbox-indicator{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border:1px solid var(--hairline);border-radius:var(--radius-pill);background:var(--shell);font-family:var(--font-mono);font-size:11px;color:var(--text-3)}.outbox-indicator--auth{cursor:pointer;color:var(--text-1);border-color:var(--accent, currentColor)}.search-hint{display:inline-flex;align-items:center;gap:9px;padding:5px 10px 5px 14px;border:1px solid var(--hairline);border-radius:var(--radius-pill);background:var(--shell);font-family:var(--font-mono);font-size:11px;color:var(--text-3);cursor:pointer;transition:border-color var(--dur-base) var(--ease-fluid)}.search-hint:hover{border-color:var(--hairline-strong)}.search-hint kbd{background:color-mix(in srgb,var(--text) 4%,transparent);border:1px solid var(--hairline);border-radius:4px;padding:1px 5px;font-size:9px;color:var(--text-2)}.dashboard-root{padding-top:var(--space-2);padding-bottom:var(--space-8)}.dash-topbar{display:flex;align-items:baseline;justify-content:space-between;gap:var(--space-4);padding-bottom:var(--space-5);margin-bottom:var(--space-6);border-bottom:1px solid var(--hairline)}.dash-topbar h1{font-size:clamp(24px,3vw,32px);font-weight:600;letter-spacing:-.025em;color:var(--text);line-height:1.05;margin:0}.dash-stamp{font-family:var(--font-mono);font-size:10px;text-transform:uppercase;letter-spacing:.14em;color:var(--text-3);white-space:nowrap}.dash-deck{display:grid;grid-template-columns:minmax(0,1.6fr) repeat(3,minmax(0,1fr));grid-template-rows:auto auto;gap:10px;margin-bottom:var(--space-7)}.dash-featured{grid-column:1 / 2;grid-row:1 / 3}.dash-featured .core{padding:var(--space-6)}.dash-getstarted{grid-column:2 / -1;grid-row:1 / 3}.dash-getstarted .core{padding:var(--space-6)}.dash-getstarted-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:var(--space-5)}.dash-featured-eyebrow{font-family:var(--font-mono);font-size:10px;text-transform:uppercase;letter-spacing:.14em;color:var(--text-3);margin-bottom:12px}.dash-featured-title{font-size:clamp(24px,2.5vw,32px);font-weight:600;letter-spacing:-.025em;line-height:1.05;color:var(--text);margin:0 0 4px}.dash-featured-sub{font-size:13px;color:var(--text-2);margin:0 0 var(--space-5)}.dash-featured-now{border-left:2px solid var(--accent);padding:4px 0 4px 12px;margin-bottom:14px}.dash-featured-now .stamp{font-family:var(--font-mono);font-size:9px;color:var(--accent);letter-spacing:.12em;text-transform:uppercase;margin-bottom:2px}.dash-featured-now .what{font-size:16px;font-weight:500;color:var(--text);line-height:1.2}.dash-featured-now .meta{font-size:11px;color:var(--text-3)}.dash-timeline{display:flex;flex-direction:column}.dash-timeline-row{display:grid;grid-template-columns:44px minmax(0,1fr) auto 8px;gap:10px;align-items:center;padding:10px 0;border-top:1px solid var(--hairline)}.dash-timeline-row:first-child{border-top:none;padding-top:4px}.dash-timeline-row .time{font-family:var(--font-mono);font-size:10px;color:var(--text-3);letter-spacing:.04em}.dash-timeline-row .label{font-size:13px;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.dash-timeline-row .pill{font-family:var(--font-mono);font-size:8px;text-transform:uppercase;letter-spacing:.1em;color:var(--text-3);border:1px solid var(--hairline);border-radius:var(--radius-pill);padding:2px 6px;white-space:nowrap;flex-shrink:0}.dash-timeline-row .dot{width:6px;height:6px;border-radius:50%;flex-shrink:0}.dash-metric .core{padding:14px 16px;display:flex;flex-direction:column;justify-content:space-between;min-height:92px}.dash-metric .label{font-family:var(--font-mono);font-size:9px;text-transform:uppercase;letter-spacing:.12em;color:var(--text-3)}.dash-metric .num{font-size:28px;font-weight:600;letter-spacing:-.025em;line-height:1;color:var(--text)}.dash-metric .sub{font-family:var(--font-mono);font-size:9px;text-transform:uppercase;letter-spacing:.08em;color:var(--text-4);margin-top:4px}.dash-metric .spark{display:block;width:100%;height:20px;margin-top:6px;max-width:100%}.dash-strip-label{display:flex;align-items:center;justify-content:space-between;gap:var(--space-3);font-family:var(--font-mono);font-size:10px;text-transform:uppercase;letter-spacing:.14em;color:var(--text-3);margin:var(--space-7) 0 var(--space-4)}.dash-strip-label .right{font-size:9px;color:var(--text-3);cursor:pointer;display:inline-flex;align-items:center;gap:4px;background:transparent;border:none;padding:0;font-family:var(--font-mono);letter-spacing:.08em;text-transform:uppercase;transition:color var(--dur-base) var(--ease-fluid)}.dash-strip-label .right:hover{color:var(--text)}.dash-strip-label .right svg{width:10px;height:10px}.dash-subjects{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:10px}.dash-subj{cursor:pointer;transition:transform var(--dur-base) var(--ease-fluid)}.dash-subj:hover{transform:translateY(-2px)}.dash-subj .core{padding:16px}.dash-subj .head{display:flex;align-items:center;gap:6px;margin-bottom:10px}.dash-subj .dot{width:6px;height:6px;border-radius:50%;flex-shrink:0}.dash-subj .name{font-size:13px;font-weight:500;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-width:0}.dash-subj .pct{font-size:22px;font-weight:600;letter-spacing:-.02em;line-height:1}.dash-subj .bar{margin-top:8px;height:2px;background:color-mix(in srgb,var(--text) 6%,transparent);border-radius:999px;overflow:hidden}.dash-subj .bar>span{display:block;height:100%;border-radius:999px;transition:width var(--dur-reveal) var(--ease-fluid)}.dash-subj .meta{font-family:var(--font-mono);font-size:9px;color:var(--text-3);text-transform:uppercase;letter-spacing:.08em;margin-top:8px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.dash-activity{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.dash-ribbon .core{padding:16px 18px}.dash-ribbon .head{display:flex;justify-content:space-between;align-items:baseline;gap:var(--space-3);margin-bottom:10px}.dash-ribbon .lab{font-family:var(--font-mono);font-size:10px;text-transform:uppercase;letter-spacing:.12em;color:var(--text-3);white-space:nowrap}.dash-ribbon .more{font-family:var(--font-mono);font-size:9px;color:var(--text-3);text-transform:uppercase;letter-spacing:.08em;white-space:nowrap;cursor:pointer;transition:color var(--dur-base) var(--ease-fluid);background:transparent;border:none;padding:0}.dash-ribbon .more:hover{color:var(--text)}.dash-ribbon .row{display:grid;grid-template-columns:minmax(0,1fr) auto;padding:8px 0;border-top:1px solid var(--hairline);align-items:center;gap:12px;font-size:12px;color:var(--text);cursor:pointer;transition:color var(--dur-base) var(--ease-fluid)}.dash-ribbon .row:first-child{border-top:none;padding-top:4px}.dash-ribbon .row:hover{color:var(--accent)}.dash-ribbon .row .text{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-width:0}.dash-ribbon .row .meta{font-family:var(--font-mono);font-size:9px;color:var(--text-3);text-transform:uppercase;letter-spacing:.08em;white-space:nowrap}.dash-ribbon .empty{padding:var(--space-4) 0;font-size:12px;color:var(--text-3);text-align:center}@media(max-width:1080px){.dash-deck{grid-template-columns:repeat(2,minmax(0,1fr))}.dash-featured,.dash-getstarted{grid-column:1 / -1;grid-row:auto}.dash-subjects{grid-template-columns:repeat(3,minmax(0,1fr))}}@media(max-width:1180px){.dash-activity{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:900px){.dash-activity{grid-template-columns:minmax(0,1fr)}}@media(max-width:720px){.dash-deck{grid-template-columns:minmax(0,1fr)}.dash-subjects{grid-template-columns:repeat(2,minmax(0,1fr))}.dashboard-root{padding:var(--space-4) var(--space-3) var(--space-9)}.dash-topbar{flex-direction:column;align-items:flex-start;gap:6px}}.page-root{padding:0}.row-card{display:flex;align-items:center;gap:var(--space-4);padding:var(--space-3) var(--space-4);border:1px solid var(--hairline);border-radius:var(--radius-md, 10px);background:var(--shell, transparent)}.homework-page .section-head{margin-bottom:var(--space-4)}.homework-page .section-head-right{flex-wrap:wrap}.homework-filter-row{display:flex;gap:var(--space-2);margin-bottom:var(--space-4)}.homework-rows{display:flex;flex-direction:column;gap:var(--space-2)}.homework-row{display:flex;align-items:center;gap:var(--space-4);flex-wrap:wrap}.homework-row .hw-title{color:var(--text);font-size:14px;font-weight:500;flex:1;letter-spacing:-.01em;min-width:160px}.homework-row .hw-title a{color:inherit;text-decoration:none;display:inline-flex;align-items:center;gap:4px}.homework-row .hw-title a:hover{color:var(--text);text-decoration:underline}.homework-row .hw-subject-wrap{display:inline-flex}.homework-done .hw-title,.homework-done .hw-title a{color:var(--text-3);text-decoration:line-through}.homework-desc{margin-top:var(--space-3);padding-top:var(--space-3);border-top:1px solid var(--hairline);color:var(--text-2);font-size:13px;line-height:1.55}.app-main:has(.timetable-page){padding:0 2%}.app-main:has(.timetable-page)>*{max-width:none;margin-left:0;margin-right:0}.app-main:has(.timetable-page) .global-workspace{max-width:none;margin-left:0;margin-right:0}.app-main:has(.timetable-page) .topbar{padding:var(--space-4) 0 0;margin-bottom:0}.timetable-page .section-head{margin:0;padding:var(--space-3) 0;border-bottom:none}.timetable-page .section-head-right{flex-wrap:wrap}.timetable-shell{margin-top:0;padding:0;border-radius:0;box-shadow:none;background:transparent}.timetable-stale-banner{margin:8px 0 12px;padding:10px 14px;border:1px solid var(--warn-border, #6a4a00);background:var(--warn-bg, rgba(255, 176, 32, .06));color:var(--warn-fg, #e8b85c);font-size:13px;line-height:1.45;letter-spacing:.01em}.timetable-shell:hover{box-shadow:none}.timetable-core{padding:0}.timetable-core .timetable-grid{background:transparent;border:none;border-radius:0;box-shadow:none}.sheet-cell .subject-row{display:flex;align-items:center;gap:4px;margin-bottom:2px;width:100%;min-width:0}.sheet-cell .subject-dot{width:6px;height:6px;border-radius:50%;flex-shrink:0}.timetable-photo-drop{border:1px dashed var(--border);border-radius:var(--radius);cursor:pointer;min-height:180px;display:flex;align-items:center;justify-content:center;overflow:hidden;margin-top:var(--space-3);transition:border-color .15s,background .15s}.timetable-photo-drop:hover,.timetable-photo-drop.active{border-color:var(--accent);background:color-mix(in srgb,var(--accent) 6%,transparent)}.timetable-photo-preview{max-width:100%;max-height:300px;object-fit:contain;display:block}.timetable-photo-drop-inner{display:flex;flex-direction:column;align-items:center;gap:var(--space-2);padding:var(--space-5);color:var(--text-2);font-size:13px;text-align:center}.timetable-photo-filename{font-size:12px;color:var(--text-3);margin-top:var(--space-2)}.manual-schedule-error{font-size:13px;color:var(--error, #ef4444);margin-top:var(--space-2)}.timetable-import-review{display:flex;flex-direction:column;gap:var(--space-3)}.timetable-import-stat{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-primary)}.timetable-import-unmatched{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:4px;max-height:220px;overflow-y:auto}.timetable-import-check{display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:8px;border:1px solid rgba(255,255,255,.06);cursor:pointer;transition:background .12s ease,border-color .12s ease}.timetable-import-check:hover{background:#ffffff08;border-color:#ffffff1f}.timetable-import-check input{display:none}.timetable-import-check-box{width:16px;height:16px;border-radius:4px;border:1px solid rgba(255,255,255,.2);display:flex;align-items:center;justify-content:center;background:transparent;transition:background .12s ease,border-color .12s ease;flex-shrink:0}.timetable-import-check.on .timetable-import-check-box{background:var(--text-primary);border-color:var(--text-primary);color:var(--bg-primary)}.timetable-import-check-label{font-size:13px;color:var(--text-primary)}.timetable-import-summary{font-size:12px}.bell-times-grid{display:flex;flex-direction:column;gap:4px;margin:var(--space-3) 0;max-width:420px}.bell-times-row{display:grid;grid-template-columns:56px 1fr 1fr;gap:var(--space-2);align-items:center}.bell-times-row.bell-times-head{font-size:11px;text-transform:uppercase;letter-spacing:.05em;color:var(--text-3);padding:0 0 4px;border-bottom:1px solid rgba(255,255,255,.06);margin-bottom:4px}.bell-times-hour{font-variant-numeric:tabular-nums;font-weight:600;color:var(--text-primary);font-size:14px}.bell-times-input{background:#ffffff08;border:1px solid rgba(255,255,255,.08);border-radius:6px;padding:6px 10px;font-size:13px;color:var(--text-primary);font-family:inherit;font-variant-numeric:tabular-nums}.bell-times-input:focus{outline:none;border-color:#fff3;background:#ffffff0f}.bell-times-actions{display:flex;justify-content:flex-end;gap:var(--space-2);margin-top:var(--space-3)}.grades-page .section-head{margin-bottom:var(--space-4)}.grades-page .section-head-right{flex-wrap:wrap}.grades-head-actions{display:flex;align-items:center;gap:var(--space-2);flex-wrap:wrap}.grades-last-synced{font-size:12px;color:var(--text-2);font-variant-numeric:tabular-nums}.grades-overview-shell{margin-bottom:var(--space-4)}.grades-overview-head{display:flex;align-items:center;justify-content:space-between;gap:var(--space-3);margin-bottom:var(--space-3)}.grades-overview-title{margin:0;font-size:14px;font-weight:600;color:var(--text);letter-spacing:-.01em}.grades-overview-text{font-size:13px;line-height:1.6;color:var(--text-2)}.grades-groups{display:flex;flex-direction:column;gap:var(--space-3)}.grades-group-wrap{display:block}.grades-group-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--space-3)}.grades-group-count{font-size:11px;color:var(--text-3);font-variant-numeric:tabular-nums;letter-spacing:.04em;text-transform:uppercase}.grades-rows{display:flex;flex-direction:column;gap:var(--space-2)}.grades-row{display:flex;align-items:center;gap:var(--space-4);padding:var(--space-2) 0;border-top:1px solid var(--hairline)}.grades-row:first-child{border-top:none;padding-top:0}.grade-value{font-size:22px;font-weight:700;width:36px;text-align:center;font-variant-numeric:tabular-nums;letter-spacing:-.02em;flex-shrink:0}.grade-value-good{color:var(--success)}.grade-value-neutral{color:var(--warning)}.grade-value-bad{color:var(--danger)}.grade-meta{flex:1;display:flex;align-items:center;gap:var(--space-3);min-width:0;flex-wrap:wrap}.grade-desc{color:var(--text);font-size:13px;font-weight:500;letter-spacing:-.01em;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.grades-overall{display:flex;align-items:center;gap:var(--space-4);padding:var(--space-4);margin-bottom:var(--space-4);border:1px solid var(--card-border);border-radius:var(--radius-shell);background:var(--card-bg)}.grades-overall-value{font-family:var(--font-mono);font-size:40px;font-weight:600;line-height:1;letter-spacing:-.03em;font-variant-numeric:tabular-nums;color:var(--text)}.grades-overall-title{font-size:14px;font-weight:600;color:var(--text)}.grades-overall-sub{font-size:12px;color:var(--text-3);font-variant-numeric:tabular-nums}.grades-warning{display:flex;align-items:center;gap:var(--space-3);padding:var(--space-3) var(--space-4);margin-bottom:var(--space-4);border:1px solid color-mix(in srgb,var(--warning) 40%,transparent);border-radius:var(--radius-md);background:color-mix(in srgb,var(--warning) 8%,var(--card-bg));color:var(--warning)}.grades-warning-body{flex:1;min-width:0}.grades-warning-title{font-size:13px;font-weight:600;color:var(--text)}.grades-warning-text{font-size:12px;color:var(--text-2)}.grades-group-stats{display:flex;align-items:center;gap:var(--space-3)}.grades-avg{font-family:var(--font-mono);font-size:14px;font-weight:600;color:var(--text);font-variant-numeric:tabular-nums}.grade-tags{display:flex;align-items:center;gap:var(--space-2);margin-left:auto;flex-shrink:0}.grade-weight{font-family:var(--font-mono);font-size:11px;color:var(--text-3);border:1px solid var(--hairline);border-radius:var(--radius-xs);padding:1px 6px;font-variant-numeric:tabular-nums}.grade-date{font-size:12px;color:var(--text-3);font-variant-numeric:tabular-nums}.messages-page .section-head{margin-bottom:var(--space-4)}.messages-page .section-head-right{flex-wrap:wrap}.messages-connect-hint{font-size:12px;color:var(--text-3);margin:0 0 var(--space-3)}.messages-summary-shell{margin-bottom:var(--space-2)}.messages-summary-head{display:flex;align-items:center;justify-content:space-between;gap:var(--space-3);margin-bottom:var(--space-3)}.messages-summary-title{margin:0;font-size:14px;font-weight:600;color:var(--text);letter-spacing:-.01em;display:inline-flex;align-items:center;gap:var(--space-2)}.messages-summary-body{font-size:13px;line-height:1.6;color:var(--text-2)}.messages-feed{display:flex;flex-direction:column;gap:var(--space-2);margin-top:var(--space-4)}.messages-row{display:flex;align-items:center;gap:var(--space-3);flex-wrap:wrap}.messages-sender-block{display:inline-flex;align-items:center;gap:var(--space-2);flex:1;min-width:160px}.messages-sender{color:var(--text);font-size:14px;font-weight:600;letter-spacing:-.01em}.messages-platform-ic{display:inline-flex;vertical-align:middle;margin-right:4px}.messages-subject-line{display:flex;gap:var(--space-2);align-items:baseline;margin-top:var(--space-3);padding-top:var(--space-3);border-top:1px solid var(--hairline);font-size:13px}.messages-subject-label{color:var(--text-3);font-size:11px;letter-spacing:.04em;text-transform:uppercase;flex-shrink:0}.messages-subject-value{color:var(--text-2);line-height:1.5}.message-content{margin-top:var(--space-3);padding-top:var(--space-3);border-top:1px solid var(--hairline);color:var(--text-2);font-size:13px;line-height:1.55}.simple-card{background:var(--core);border:1px solid var(--hairline);border-radius:var(--radius-core);padding:var(--space-5)}.study-dashboard{display:flex;flex-direction:column;gap:var(--space-7)}.study-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.study-stats .c-label{font-family:var(--font-mono);font-size:10px;color:var(--text-3);letter-spacing:.14em;text-transform:uppercase;margin-bottom:18px;display:inline-flex;align-items:center;gap:var(--space-2)}.study-stats .c-label svg{width:12px;height:12px;color:var(--text-3)}.study-stats .c-big{font-size:44px;font-weight:600;letter-spacing:-.045em;color:var(--text);line-height:1;margin-bottom:8px}.study-stats .c-sub{font-size:12px;color:var(--text-3)}.study-stat-card{cursor:pointer}.study-stat-card:focus-visible{outline:none}.study-stats .shell{transition:transform var(--dur-slow) var(--ease-fluid)}.study-stats .shell:has(.study-stat-card:hover){transform:translateY(-2px)}.study-section{display:flex;flex-direction:column;gap:var(--space-3)}.study-tiles{display:grid;grid-template-columns:repeat(auto-fit,minmax(clamp(180px,22vw,240px),1fr));gap:14px}.study-tile{cursor:pointer;transition:transform var(--dur-slow) var(--ease-fluid)}.study-tile:hover{transform:translateY(-2px)}.study-tile .core{padding:20px;display:flex;flex-direction:column;gap:var(--space-2);min-height:128px}.study-tile-ic{width:36px;height:36px;display:inline-flex;align-items:center;justify-content:center;border-radius:var(--radius-field);color:var(--text-2);border:1px solid var(--hairline);margin-bottom:var(--space-2)}.study-tile.primary .study-tile-ic{color:var(--accent);border-color:color-mix(in srgb,var(--accent) 30%,var(--hairline))}.study-tile-title{font-size:14px;font-weight:600;color:var(--text);letter-spacing:-.01em}.study-tile-sub{font-size:12px;color:var(--text-3);line-height:1.4}.study-rows{display:flex;flex-direction:column}.study-row{display:flex;align-items:center;gap:var(--space-3);padding:12px 0;border-bottom:1px solid var(--hairline);cursor:pointer;transition:padding var(--dur-base) var(--ease-fluid)}.study-row:last-child{border-bottom:none;padding-bottom:2px}.study-row:first-child{padding-top:2px}.study-row-dot{width:6px;height:6px;border-radius:50%;flex-shrink:0}.study-row-main{flex:1;min-width:0;display:flex;flex-direction:column;gap:2px}.study-row-name{font-size:13px;font-weight:500;color:var(--text);letter-spacing:-.01em;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.study-row-meta{font-family:var(--font-mono);font-size:10px;color:var(--text-3);letter-spacing:.06em;display:inline-flex;align-items:center;gap:6px}.study-row-meta svg{width:11px;height:11px}@media(max-width:900px){.study-stats{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:600px){.study-stats{grid-template-columns:minmax(0,1fr)}}.modal.manual-timetable-builder{max-width:min(96vw,1200px)}.modal.manual-timetable-builder .modal-head{padding-bottom:var(--space-2)}.modal.manual-timetable-builder .modal-body{overflow-x:auto;padding:0 var(--space-4) var(--space-4);scrollbar-width:thin;scrollbar-color:var(--hairline-strong) transparent}.modal.manual-timetable-builder .modal-body::-webkit-scrollbar{height:6px}.modal.manual-timetable-builder .modal-body::-webkit-scrollbar-track{background:transparent}.modal.manual-timetable-builder .modal-body::-webkit-scrollbar-thumb{background:var(--hairline-strong);border-radius:3px}.tgb-grid{display:grid;grid-template-columns:72px repeat(10,minmax(100px,1fr));grid-template-rows:28px repeat(5,auto);gap:1px;background:var(--hairline);border:1px solid var(--hairline);border-radius:var(--radius-core);overflow:hidden;min-width:max-content}.tgb-corner,.tgb-day-head{background:var(--core-2);display:flex;align-items:center;justify-content:center;font:600 10px/1 var(--font-mono);letter-spacing:.12em;color:var(--text-3);text-transform:uppercase;position:sticky;left:0;z-index:2}.tgb-hour-head{background:var(--core-2);display:flex;align-items:center;justify-content:center;font:600 12px/1 var(--font-mono);color:var(--text-3);font-variant-numeric:tabular-nums}.tgb-slot{position:relative;background:var(--core);padding:5px 6px;display:flex;flex-direction:column;gap:4px;min-height:38px;transition:background var(--dur-fast, .12s) ease-out}.tgb-slot.has-subject{min-height:64px}.tgb-slot .dropdown-wrapper{width:100%}.tgb-slot .dropdown-trigger{width:100%;background:transparent;border:none;padding:1px 14px 1px 0;min-height:0;border-radius:2px;font:500 12px/1.2 var(--font-sans);letter-spacing:-.01em;color:var(--text)}.tgb-slot:not(.has-subject) .dropdown-trigger{color:var(--text-4);font-weight:400;opacity:.55}.tgb-slot:not(.has-subject):hover .dropdown-trigger{color:var(--text-3);opacity:.9}.tgb-slot .dropdown-trigger:hover{background:transparent}.tgb-slot .dropdown-trigger .dropdown-chevron{color:var(--text-4);width:11px;height:11px}.tgb-slot:hover{background:var(--core-2)}.tgb-slot.has-subject{background:color-mix(in srgb,var(--slot-accent, var(--hairline-strong)) 9%,var(--core))}.tgb-slot.has-subject:hover{background:color-mix(in srgb,var(--slot-accent, var(--hairline-strong)) 14%,var(--core))}.tgb-slot input{width:100%;background:transparent;border:none;border-bottom:1px solid transparent;border-radius:0;color:var(--text-2);font:11px/1.2 var(--font-sans);padding:1px 0;transition:border-color var(--dur-fast, .12s) ease-out,color var(--dur-fast, .12s) ease-out}.tgb-slot input::placeholder{color:var(--text-4)}.tgb-slot input:hover{border-bottom-color:var(--hairline)}.tgb-slot input:focus{outline:none;border-bottom-color:var(--hairline-strong);color:var(--text)}.tgb-slot-meta{display:flex;gap:6px}.tgb-slot-meta input{width:50%}.consent-banner{position:fixed;left:50%;bottom:20px;transform:translate(-50%);z-index:1200;display:flex;align-items:center;gap:16px;max-width:640px;width:calc(100% - 32px);padding:14px 18px;background:var(--card-bg);border:1px solid var(--card-border);border-radius:12px;box-shadow:0 8px 28px #00000073}.app-main,.sidebar{height:calc(100dvh - var(--consent-banner-reserve, 0px))}.consent-banner__text{margin:0;flex:1;font-size:.85rem;line-height:1.4;color:var(--text-2)}.consent-banner__text a{color:var(--text-1);text-decoration:underline;white-space:nowrap}.consent-banner__actions{display:flex;gap:8px;flex-shrink:0}@media(max-width:560px){.consent-banner{flex-direction:column;align-items:stretch}.consent-banner__actions{justify-content:flex-end}}.podcast-tab{display:flex;flex-direction:column;gap:var(--space-5)}.podcast-header{display:flex;align-items:center;justify-content:space-between;gap:var(--space-4);flex-wrap:wrap}.podcast-title{display:flex;align-items:center;gap:var(--space-2);margin:0;font-size:1.25rem;font-weight:600;color:var(--text)}.podcast-empty{margin:0;padding:var(--space-7) var(--space-5);text-align:center;color:var(--text-muted);font-size:.95rem;border:1px dashed var(--hairline-strong);border-radius:var(--radius-core)}.podcast-error{margin:0;padding:var(--space-3) var(--space-4);font-size:.9rem;color:var(--text);background:#dc26261f;border:1px solid rgba(220,38,38,.3);border-radius:var(--radius-field)}.podcast-episode-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:var(--space-2)}.podcast-episode-item{display:flex;align-items:center;gap:var(--space-3);width:100%;padding:var(--space-4);text-align:left;color:var(--text);background:var(--core-2);border:1px solid var(--hairline);border-radius:var(--radius-core);cursor:pointer;transition:border-color .15s ease,background .15s ease}.podcast-episode-item:hover{border-color:var(--hairline-strong)}.podcast-status{margin-left:auto;font-size:.72rem;text-transform:uppercase;letter-spacing:.04em;color:var(--text-3)}.podcast-player{display:flex;flex-direction:column;gap:var(--space-4);padding:var(--space-5);background:var(--core-2);border:1px solid var(--hairline);border-radius:var(--radius-core)}.podcast-audio{width:100%}.podcast-processing{margin:0;padding:var(--space-5);color:var(--text-muted);font-size:.95rem;background:var(--core-2);border:1px solid var(--hairline);border-radius:var(--radius-core)}.podcast-transcript{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:var(--space-3)}.podcast-turn{font-size:.92rem;line-height:1.55;color:var(--text-2)}.podcast-turn strong{color:var(--text);margin-right:var(--space-1)}.podcast-progress{display:flex;align-items:center;gap:var(--space-3);padding:var(--space-5);background:var(--core-2);border:1px solid var(--hairline);border-radius:var(--radius-core)}.podcast-progress-stage{color:var(--text);font-size:.95rem;font-weight:500}.podcast-progress-step{color:var(--text-3);font-size:.8rem}.podcast-tab-badge{display:inline-flex;align-items:center;justify-content:center;min-width:16px;height:16px;margin-left:6px;padding:0 5px;font-size:.68rem;font-weight:600;color:var(--bg);background:var(--text);border-radius:var(--radius-pill)}.toast-stack{position:fixed;bottom:var(--space-5);right:var(--space-5);z-index:1000;display:flex;flex-direction:column;gap:var(--space-2);align-items:flex-end}.toast-stack-item{display:flex;align-items:center;gap:var(--space-2)}.toast-action{padding:6px 10px;font-size:.8rem;font-weight:600;color:var(--text);background:var(--core-2);border:1px solid var(--hairline-strong);border-radius:var(--radius-field);cursor:pointer}.device-panel{display:grid;gap:16px;justify-items:center;text-align:center}.device-qr{padding:12px;background:#fff;border:1px solid var(--card-border);border-radius:16px;line-height:0}.device-code{display:flex;gap:8px;flex-wrap:wrap;justify-content:center}.device-code-char{min-width:30px;padding:8px 4px;font-size:1.6rem;font-weight:600;font-variant-numeric:tabular-nums;letter-spacing:.04em;color:var(--text);background:var(--core);border:1px solid var(--card-border);border-radius:12px}.device-instructions{max-width:42ch}.device-countdown{font-size:.85rem;color:var(--text-2);margin:0}.device-warning{display:flex;gap:12px;align-items:flex-start;padding:14px;border-radius:14px;border:1px solid color-mix(in srgb,var(--danger) 30%,transparent);background:color-mix(in srgb,var(--danger) 10%,transparent);color:color-mix(in srgb,var(--danger) 80%,var(--text) 20%);font-size:.85rem;line-height:1.6}.device-warning p{margin:0}.device-warning-icon{flex:none;display:inline-flex}.device-request-meta{display:grid;gap:8px;margin:4px 0 0}.device-request-meta>div{display:flex;justify-content:space-between;gap:16px;font-size:.85rem;padding-bottom:8px;border-bottom:1px solid var(--hairline-strong)}.device-request-meta dt{color:var(--text-2)}.device-request-meta dd{margin:0;color:var(--text);text-align:right;word-break:break-word}.install-banner{position:fixed;left:50%;bottom:20px;transform:translate(-50%);z-index:1190;display:flex;align-items:center;gap:16px;max-width:640px;width:calc(100% - 32px);padding:14px 18px;background:var(--card-bg);border:1px solid var(--card-border);border-radius:12px;box-shadow:0 8px 28px #00000073}.install-banner__text{margin:0;flex:1;font-size:.85rem;line-height:1.4;color:var(--text-2)}.install-banner__actions{display:flex;gap:8px;flex-shrink:0}@media(max-width:560px){.install-banner{flex-direction:column;align-items:stretch}.install-banner__actions{justify-content:flex-end}}.offline-banner{position:sticky;top:0;z-index:1000;padding:6px 12px;font-size:13px;text-align:center;background:var(--surface-2, #1a1a1a);color:var(--text-muted, #bbb);border-bottom:1px solid var(--border, #333)}.file-text-modal{max-width:720px}.file-text-pre{margin:0;white-space:pre-wrap;word-break:break-word;font:inherit;max-height:70vh;overflow:auto}.mobile-topbar,.mobile-nav-backdrop,.mobile-notice{display:none}@media(max-width:860px){:root{--mobile-topbar-h: calc(52px + env(safe-area-inset-top, 0px)) }.mobile-topbar{position:fixed;top:0;left:0;right:0;z-index:190;display:flex;align-items:center;gap:var(--space-3);height:var(--mobile-topbar-h);padding:env(safe-area-inset-top,0px) var(--space-3) 0;background:var(--bg);border-bottom:1px solid var(--hairline)}.mobile-nav-toggle{display:inline-grid;place-items:center;width:40px;height:40px;flex-shrink:0;border:1px solid var(--hairline);border-radius:var(--radius-field);background:var(--shell);color:var(--text);cursor:pointer}.mobile-topbar-brand{font-size:15px;font-weight:600;letter-spacing:-.025em;color:var(--text)}.mobile-nav-backdrop{display:block;position:fixed;inset:var(--mobile-topbar-h) 0 0;z-index:250;background:#0000008c}html .app-container{grid-template-columns:minmax(0,1fr);padding-top:var(--mobile-topbar-h);padding-bottom:var(--mobile-notice-h, 0px)}html .sidebar{position:fixed;top:var(--mobile-topbar-h);left:0;bottom:calc(var(--mobile-notice-h, 0px) + var(--consent-banner-reserve, 0px));z-index:300;width:min(280px,84vw);height:auto;padding-top:var(--space-3);padding-bottom:calc(var(--space-6) + env(safe-area-inset-bottom,0px));transform:translate(-100%);visibility:hidden;transition:transform var(--dur-quick) var(--ease-fluid),visibility 0s linear var(--dur-quick);box-shadow:12px 0 40px -12px #0009}html.nav-open .sidebar{transform:translate(0);visibility:visible;transition-delay:0s}html .sidebar-brand{display:none}html .app-main{height:calc(100dvh - var(--mobile-topbar-h) - var(--mobile-notice-h, 0px) - var(--consent-banner-reserve, 0px));padding:var(--space-4) var(--space-4) var(--space-8);padding-left:max(var(--space-4),env(safe-area-inset-left,0px));padding-right:max(var(--space-4),env(safe-area-inset-right,0px))}html .app-main.app-main--chat{padding:0}html .app-main.app-main--subject{padding:0 var(--chat-dock-right, 0px) 0 var(--chat-dock-left, 0px)}html .topbar{margin-bottom:var(--space-5)}html .topbar .top-actions{display:none}.mobile-notice{display:flex;align-items:flex-start;gap:var(--space-3);position:fixed;left:0;right:0;bottom:0;z-index:150;padding:var(--space-3) var(--space-4) calc(var(--space-3) + env(safe-area-inset-bottom,0px));background:var(--core);border-top:1px solid var(--hairline-strong)}.mobile-notice__text{flex:1;margin:0;font-size:12.5px;line-height:1.45;color:var(--text-2)}.mobile-notice__close{flex-shrink:0;display:inline-grid;place-items:center;width:28px;height:28px;margin:-2px -4px 0 0;border:none;border-radius:var(--radius-sm);background:none;color:var(--text-3);cursor:pointer}html .consent-banner{bottom:calc(var(--mobile-notice-h, 0px) + var(--space-3))}html .chat-fab,html .share-chat-bubble-trigger,html .share-chat-bubble,html .toast-stack,html .toast-container{bottom:calc(var(--mobile-notice-h, 0px) + var(--space-5))}html .dash-hero,html .dash-lower,html .dash-activity,html .exam-readiness-grid,html .bulk-import__setup-hero,html .bulk-import__setup-grid,html .bulk-import__sorting-grid,html .bulk-import__workspace,html .profile-hero,html .profile-plan-features,html .research-dashboard-split,html .research-dashboard-completed-layout--expanded,html .sheet-diff,html .subject-setup-grid,html .subject-setup-skeletons,html .vault-mode-cards,html .teacher-mode-grid,html .teacher-worksheet-fields,html .teacher-planning-layout,html .teacher-plan-composer-grid,html .teacher-plan-rail,html .teacher-rail-skeletons,html .teacher-lesson-form-grid,html .teacher-grading-pair-row,html .teacher-rubric-row,html .skeleton-grid--cards,html .skeleton-grid--two,html .skeleton-grid--split,html .skeleton-page__cards{grid-template-columns:minmax(0,1fr)}html .dash-deck{grid-template-columns:repeat(2,minmax(0,1fr))}html .dash-deck>.dash-featured{grid-column:1 / -1}html .dash-subjects,html .study-stats,html .exec-summary-row,html .profile-usage-band-grid,html .bulk-evidence__stats{grid-template-columns:repeat(2,minmax(0,1fr))}html .profile-usage-band:first-child .profile-usage-band-grid{grid-template-columns:minmax(0,1fr)}html .teacher-week-grid,html .teacher-week-skeletons,html .tgb-grid,html .periodic-grid{overflow-x:auto;-webkit-overflow-scrolling:touch}html .chat-container{position:relative}html .chat-sidebar{position:absolute;top:0;bottom:0;left:0;z-index:60;width:min(280px,84vw);min-width:0;box-shadow:12px 0 40px -12px #00000080}html .chat-sidebar.collapsed{box-shadow:none}html .chat-input-area{flex-wrap:wrap}html .chat-input-area .chat-input{order:-1;flex:1 0 100%}html .chat-input-area .chat-send-btn{margin-left:auto}html .chat-expand-btn{top:0;left:var(--space-2);width:40px;height:40px}html .chat-container:not(.chat-embedded) .chat-header-bar{min-height:40px;padding-left:56px}html .chat-welcome{justify-content:flex-start;gap:var(--space-4);padding:var(--space-4) var(--space-3) var(--space-2)}html .chat-welcome .empty-state{padding:var(--space-2) var(--space-2) 0;border:none;background:none}html .chat-welcome .empty-desc{max-width:none;margin-bottom:0}html .chat-welcome .empty-ic{display:none}html .chat-welcome-categories{gap:var(--space-4)}html .chat-prompt-chips{gap:var(--space-2)}html .chat-prompt-chip{flex:1 0 100%;justify-content:flex-start;min-height:44px;padding:var(--space-3);border-radius:var(--radius-field);font-family:var(--font-sans);font-size:14px;line-height:1.35;letter-spacing:0;text-transform:none;text-align:left;white-space:normal;overflow:visible;color:var(--text-2)}html .chat-recent-cards{flex-direction:column;margin-top:0}html .chat-recent-card{flex:none;width:100%;min-height:44px}html .admin-chat-list{width:100%}html .modal-root{padding:0;place-items:end stretch}html .modal-root>.modal{width:100%;max-width:none;max-height:92dvh;overflow-y:auto;border-radius:var(--radius-core) var(--radius-core) 0 0;border-bottom:none;padding-bottom:env(safe-area-inset-bottom,0px)}html .modal-overlay{align-items:flex-end}html .modal-content{width:100%;max-width:none;max-height:92dvh;overflow-y:auto;padding:var(--space-5) var(--space-4) calc(var(--space-5) + env(safe-area-inset-bottom,0px));border-radius:16px 16px 0 0}html .file-preview-modal{width:100%}html .picker-modal{max-height:88dvh}html .section-head{flex-wrap:wrap;align-items:center;gap:var(--space-3)}html .section-head h2{font-size:30px}html .tb-row{flex-wrap:wrap;align-items:flex-start}html .btn,html .tab-btn,html .nav-item,html .subj-nav,html .link-btn{min-height:40px}html .tab-btn{min-height:44px}html input,html textarea,html select{font-size:16px}html img,html video,html pre,html table{max-width:100%}html pre{overflow-x:auto}html table{display:block;overflow-x:auto;-webkit-overflow-scrolling:touch}html .rich-editor-content table{display:table}html .katex-display{overflow-x:auto;overflow-y:hidden}}@media(max-width:700px),(max-height:560px)and (pointer:coarse){html .chat-side-panel{top:var(--mobile-topbar-h, 0px)!important;left:auto!important;right:env(safe-area-inset-right,0px)!important;bottom:max(var(--mobile-notice-h, 0px),env(safe-area-inset-bottom,0px));height:auto!important;min-width:0;width:min(92vw,420px)!important;min-height:0;max-width:calc(100vw - env(safe-area-inset-left,0px) - env(safe-area-inset-right,0px));max-height:none;border-radius:var(--radius-core) 0 0 var(--radius-core);transform:translate(calc(100% + env(safe-area-inset-right,0px)));overscroll-behavior:contain}html .chat-side-panel.open{transform:translate(0)}html .chat-side-panel-header{cursor:default;touch-action:auto;padding-right:max(var(--space-4),env(safe-area-inset-right,0px))}html .chat-drag-grip,html .chat-resize-handle{display:none}}@media(max-width:560px){html .chat-side-panel{width:calc(100vw - env(safe-area-inset-left,0px) - env(safe-area-inset-right,0px))!important;border-radius:0}html .dash-subjects,html .study-stats,html .exec-summary-row,html .profile-usage-band-grid,html .bulk-evidence__stats,html .imgsugg-image-grid{grid-template-columns:minmax(0,1fr)}html .app-main{padding:var(--space-3) var(--space-3) var(--space-8);padding-left:max(var(--space-3),env(safe-area-inset-left,0px));padding-right:max(var(--space-3),env(safe-area-inset-right,0px))}html .subject-header-title{font-size:22px}html .section-head h2{font-size:26px}html .breadcrumb{font-size:9px}html .breadcrumb .sep{margin:0 5px}}@media(prefers-reduced-motion:reduce){html .sidebar{transition:none}}.agent-session-banner{display:flex;align-items:center;justify-content:space-between;gap:var(--space-3);padding:var(--space-3) var(--space-5);border-bottom:1px solid var(--hairline-strong);background:var(--core-2);color:var(--text-2);font-size:12px}.agent-session-banner>span{display:flex;flex-wrap:wrap;align-items:center;gap:var(--space-2) var(--space-3);min-width:0}.agent-session-banner strong{color:color-mix(in srgb,var(--warning) 35%,var(--text));font-weight:500}.app-main.app-main--chat>.agent-session-banner,.app-main.app-main--subject>.agent-session-banner{flex:0 0 auto}.agent-session-account{overflow-wrap:anywhere}.agent-session-banner button{flex-shrink:0;padding:var(--space-2) var(--space-3);border:1px solid var(--hairline-strong);border-radius:var(--radius-field);background:var(--core);color:var(--text);cursor:pointer}.ai-quota-notice{display:flex;flex-direction:column;align-items:center;gap:var(--space-3);text-align:center}.billing-success{max-width:30rem;margin:0 auto;padding:var(--space-8) var(--space-5);text-align:center;display:flex;flex-direction:column;align-items:center;gap:var(--space-3)}.onboarding-modal{width:min(34rem,calc(100vw - 2rem));border-radius:var(--radius-field)}.onboarding-progress{display:grid;grid-template-columns:2.5rem 2.5rem 1fr;align-items:center;gap:.35rem;margin-bottom:1.4rem}.onboarding-progress>span{height:3px;border-radius:2px;background:var(--hairline-strong)}.onboarding-progress>span.active{background:var(--accent)}.onboarding-progress small{color:var(--text-3);font-family:var(--font-mono);font-size:.68rem;text-align:right;text-transform:uppercase;letter-spacing:.06em}.onboarding-kicker{color:var(--accent);font-family:var(--font-mono);font-size:.68rem;font-weight:600;letter-spacing:.09em;text-transform:uppercase}.onboarding-modal .modal-head h2{margin-top:.45rem}.onboarding-modal .modal-body label{display:block;margin:1rem 0 .4rem;color:var(--text-2);font-size:.78rem;font-weight:600}.onboarding-modal .modal-body label:first-child{margin-top:0}.onboarding-modal input{width:100%;min-height:2.8rem;border:1px solid var(--hairline-strong);border-radius:7px;background:var(--bg);color:var(--text);padding:0 .75rem}.onboarding-modal input:focus{border-color:var(--accent);outline:2px solid color-mix(in srgb,var(--accent) 24%,transparent);outline-offset:1px}.onboarding-field-hint{display:block;margin-top:.35rem;color:var(--text-3);font-size:.72rem}.onboarding-date-field{position:relative}.onboarding-date-field svg{position:absolute;left:.75rem;top:50%;color:var(--text-3);pointer-events:none;transform:translateY(-50%)}.onboarding-date-field input{padding-left:2.35rem}.onboarding-next-step{display:flex;align-items:center;gap:.7rem;margin-top:1.25rem;padding:.8rem;border:1px solid var(--hairline);border-radius:7px;background:var(--core);color:var(--text-2);font-size:.78rem;line-height:1.45}.onboarding-next-step svg{flex:0 0 auto;color:var(--accent)}.onboarding-error{border-left:2px solid var(--danger);color:var(--danger);font-size:.78rem;margin-top:.85rem;padding:.35rem .65rem}.onboarding-modal .modal-foot .btn-primary{display:inline-flex;align-items:center;gap:.45rem}@media(max-width:520px){.onboarding-modal .modal-foot{align-items:stretch;flex-direction:column-reverse}.onboarding-modal .modal-foot .btn{justify-content:center;width:100%}}.vault-mode-modal,.vault-unlock-modal{max-width:560px}.vault-mode-subtitle{margin:6px 0 0;color:var(--color-text-muted, #888);font-size:13px}.vault-mode-cards{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:16px}@media(max-width:520px){.vault-mode-cards{grid-template-columns:1fr}}.vault-mode-card{display:flex;flex-direction:column;align-items:flex-start;gap:8px;padding:16px;background:transparent;border:1px solid var(--color-border, #2a2a2a);border-radius:8px;cursor:pointer;text-align:left;color:inherit;transition:border-color .12s ease,background .12s ease}.vault-mode-card:hover:not(.is-disabled){border-color:var(--color-border-strong, #444)}.vault-mode-card.is-selected{border-color:var(--color-accent, #fff);background:var(--color-bg-elevated, rgba(255, 255, 255, .04))}.vault-mode-card.is-disabled{cursor:not-allowed;opacity:.55}.vault-mode-card strong{font-size:14px;font-weight:600}.vault-mode-card p{margin:0;font-size:12.5px;line-height:1.45;color:var(--color-text-muted, #aaa)}.vault-mode-card-hint{display:inline-flex;align-items:center;gap:6px;font-size:11px;color:var(--color-text-muted, #888);margin-top:2px}.vault-mode-error{margin-top:12px;padding:10px 12px;background:#ef444414;border:1px solid rgba(239,68,68,.3);border-radius:6px;color:#ef4444;font-size:13px}.vault-unlock-icon{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:50%;background:var(--color-bg-elevated, rgba(255, 255, 255, .06));margin-bottom:8px}.new-subject-modal{width:min(32rem,calc(100vw - 2rem));border-radius:var(--radius-field);box-shadow:none}.new-subject-kicker,.new-subject-label{color:var(--text-3);font-family:var(--font-mono);font-size:.68rem;font-weight:600;letter-spacing:.09em;text-transform:uppercase}.new-subject-label{display:block;margin-bottom:.45rem}.new-subject-search-label{display:block;height:1px;width:1px;overflow:hidden;position:absolute;clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap}.new-subject-modal input,.new-subject-modal select{width:100%;min-height:2.75rem;border:1px solid var(--hairline-strong);border-radius:7px;background:var(--bg);color:var(--text);padding:0 .75rem}.new-subject-link-panel input[type=search]{margin-bottom:.5rem}.new-subject-modal input:focus,.new-subject-modal select:focus{border-color:var(--accent);outline:2px solid color-mix(in srgb,var(--accent) 24%,transparent);outline-offset:1px}.new-subject-link-toggle{width:100%;min-height:3rem;margin-top:1rem;border:1px solid var(--hairline);border-radius:7px;background:var(--core);color:var(--text);display:grid;grid-template-columns:1fr auto auto;align-items:center;gap:.7rem;padding:0 .75rem;text-align:left}.new-subject-link-toggle>span:first-child{display:flex;align-items:center;gap:.55rem}.new-subject-optional{color:var(--text-3);font-size:.72rem}.new-subject-link-panel{margin-top:.5rem;border:1px solid var(--hairline);border-radius:7px;background:var(--bg);padding:.85rem}.new-subject-link-panel p{color:var(--text-2);font-size:.78rem;line-height:1.5;margin:0 0 .85rem}.new-subject-error{border-left:2px solid var(--danger);color:var(--danger);font-size:.78rem;margin-top:.85rem;padding:.35rem .65rem}.subject-mapping-warning{position:fixed;top:1rem;right:1rem;z-index:260;max-width:min(30rem,calc(100vw - 2rem));border:1px solid var(--warning);border-radius:6px;background:color-mix(in srgb,var(--warning) 8%,var(--core));color:var(--text);display:flex;align-items:center;gap:.7rem;padding:.7rem .8rem;font-size:.78rem}.subject-mapping-warning span{flex:1}.subject-mapping-warning button{border:0;background:transparent;color:var(--text);font-weight:600}
