:root{color-scheme:dark;--bg-app: #08080d;--bg-sidebar: #0b0b12;--bg-main: #0a0a10;--bg-elevated: rgba(255, 255, 255, .035);--bg-elevated-solid: #131319;--bg-inset: #0e0e14;--border-subtle: rgba(255, 255, 255, .09);--border-softer: rgba(255, 255, 255, .06);--accent: #8b5cf6;--accent-2: #d946ef;--accent-soft: rgba(139, 92, 246, .18);--accent-strong: #a78bfa;--accent-gradient: linear-gradient(135deg, #8b5cf6, #d946ef);--text-main: #f1f0f5;--text-muted: #a3a0b3;--text-soft: #6e6b7f;--danger: #fb7185;--danger-soft: rgba(251, 113, 133, .14);--success: #34d399;--success-soft: rgba(52, 211, 153, .14);--warning: #fbbf24;--warning-soft: rgba(251, 191, 36, .14);--glass-blur: 20px;--shadow-soft: 0 20px 50px rgba(0, 0, 0, .55);--shadow-glow: 0 8px 24px rgba(139, 92, 246, .35);--radius-lg: 16px;--radius-md: 10px;--radius-sm: 8px;--radius-pill: 999px;--transition-fast: .16s ease-out;--transition-med: .24s ease-out;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;line-height:1.5;font-weight:400;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}:root[data-theme=light]{color-scheme:light;--bg-app: #f3f2f7;--bg-sidebar: #ffffff;--bg-main: #f3f2f7;--bg-elevated: #ffffff;--bg-elevated-solid: #ffffff;--bg-inset: #f6f5fa;--border-subtle: rgba(24, 16, 45, .1);--border-softer: rgba(24, 16, 45, .07);--accent: #7c3aed;--accent-2: #c026d3;--accent-soft: rgba(124, 58, 237, .1);--accent-strong: #6d28d9;--accent-gradient: linear-gradient(135deg, #7c3aed, #c026d3);--text-main: #1c1626;--text-muted: #5d5670;--text-soft: #837c94;--danger: #e11d48;--danger-soft: rgba(225, 29, 72, .08);--success: #059669;--success-soft: rgba(5, 150, 105, .08);--warning: #b45309;--warning-soft: rgba(180, 83, 9, .08);--shadow-soft: 0 16px 40px rgba(28, 22, 38, .1);--shadow-glow: 0 8px 22px rgba(124, 58, 237, .22)}@media (prefers-color-scheme: light){:root:not([data-theme=dark]){color-scheme:light;--bg-app: #f3f2f7;--bg-sidebar: #ffffff;--bg-main: #f3f2f7;--bg-elevated: #ffffff;--bg-elevated-solid: #ffffff;--bg-inset: #f6f5fa;--border-subtle: rgba(24, 16, 45, .1);--border-softer: rgba(24, 16, 45, .07);--accent: #7c3aed;--accent-2: #c026d3;--accent-soft: rgba(124, 58, 237, .1);--accent-strong: #6d28d9;--accent-gradient: linear-gradient(135deg, #7c3aed, #c026d3);--text-main: #1c1626;--text-muted: #5d5670;--text-soft: #837c94;--danger: #e11d48;--danger-soft: rgba(225, 29, 72, .08);--success: #059669;--success-soft: rgba(5, 150, 105, .08);--warning: #b45309;--warning-soft: rgba(180, 83, 9, .08);--shadow-soft: 0 16px 40px rgba(28, 22, 38, .1);--shadow-glow: 0 8px 22px rgba(124, 58, 237, .22)}}*,*:before,*:after{box-sizing:border-box}html,body{margin:0;padding:0}body{background-color:var(--bg-app);color:var(--text-main);min-height:100vh;min-height:100dvh;min-width:320px;position:relative;overflow-x:hidden}body:before{content:"";position:fixed;top:0;right:0;bottom:0;left:0;pointer-events:none;background:radial-gradient(680px circle at 12% -8%,rgba(139,92,246,.16),transparent 62%),radial-gradient(560px circle at 102% 8%,rgba(217,70,239,.11),transparent 60%),radial-gradient(760px circle at 45% 115%,rgba(139,92,246,.08),transparent 60%)}:root[data-theme=light] body:before{background:radial-gradient(680px circle at 12% -8%,rgba(124,58,237,.07),transparent 62%),radial-gradient(560px circle at 102% 8%,rgba(192,38,211,.05),transparent 60%),radial-gradient(760px circle at 45% 115%,rgba(124,58,237,.04),transparent 60%)}@media (prefers-color-scheme: light){:root:not([data-theme=dark]) body:before{background:radial-gradient(680px circle at 12% -8%,rgba(124,58,237,.07),transparent 62%),radial-gradient(560px circle at 102% 8%,rgba(192,38,211,.05),transparent 60%),radial-gradient(760px circle at 45% 115%,rgba(124,58,237,.04),transparent 60%)}}*{scrollbar-width:thin;scrollbar-color:var(--border-subtle) transparent}::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background-color:var(--border-subtle);background-clip:padding-box;border:2px solid transparent;border-radius:var(--radius-pill)}::-webkit-scrollbar-thumb:hover{background-color:var(--accent-soft);background-clip:padding-box}code{font-family:SFMono-Regular,ui-monospace,Menlo,Monaco,Consolas,Liberation Mono,Courier New,monospace;background:var(--bg-inset);border:1px solid var(--border-softer);padding:.1em .4em;border-radius:5px;font-size:.88em;color:var(--accent-strong)}h1,h2,h3,h4{letter-spacing:-.01em}button{position:relative;display:inline-flex;align-items:center;justify-content:center;gap:7px;border-radius:var(--radius-md);border:1px solid transparent;padding:.55em 1.05em;font-size:.88em;font-weight:560;font-family:inherit;background:var(--accent-gradient);color:#fff;cursor:pointer;box-shadow:var(--shadow-glow);overflow:hidden;transition:transform var(--transition-fast),box-shadow var(--transition-fast),filter var(--transition-fast),background var(--transition-fast),opacity var(--transition-fast)}button:hover:not(:disabled){transform:translateY(-1px);filter:brightness(1.08)}button:not(.btn-secondary):not(.btn-ghost):not(.btn-danger):after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(115deg,transparent 35%,rgba(255,255,255,.28),transparent 65%);transform:translate(-120%);transition:transform .55s ease;pointer-events:none}button:not(.btn-secondary):not(.btn-ghost):not(.btn-danger):hover:not(:disabled):after{transform:translate(120%)}button:active:not(:disabled){transform:translateY(0);filter:brightness(.97)}button:disabled{opacity:.4;cursor:not-allowed;box-shadow:none}button:focus-visible{outline:2px solid var(--accent-strong);outline-offset:2px}button.btn-secondary{background:var(--bg-elevated-solid);border-color:var(--border-subtle);color:var(--text-main);box-shadow:none}button.btn-secondary:hover:not(:disabled){border-color:var(--accent-strong);filter:none;color:var(--accent-strong)}button.btn-ghost{background:transparent;border-color:transparent;color:var(--text-muted);box-shadow:none;padding:.5em .85em}button.btn-ghost:hover:not(:disabled){color:var(--text-main);background:var(--bg-elevated);filter:none}button.btn-danger{background:var(--danger-soft);border-color:#fb718559;color:var(--danger);box-shadow:none}button.btn-danger:hover:not(:disabled){filter:none;background:#fb718538}input,textarea,select{font-family:inherit;font-size:.88em;color:var(--text-main);background:var(--bg-inset);border:1px solid var(--border-subtle);border-radius:var(--radius-md);padding:.6em .8em;transition:border-color var(--transition-fast),box-shadow var(--transition-fast);width:100%}input::placeholder,textarea::placeholder{color:var(--text-soft)}input:focus,textarea:focus,select:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}input[type=checkbox],input[type=radio]{width:16px;height:16px;flex-shrink:0;padding:0;accent-color:var(--accent);cursor:pointer}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}table{border-collapse:collapse;width:100%;font-size:.92em}th{padding:.5em .8em;border-bottom:1px solid var(--border-subtle);text-align:left;font-size:.74em;text-transform:uppercase;letter-spacing:.07em;color:var(--text-soft);font-weight:600}td{padding:.55em .8em;border-bottom:1px solid var(--border-softer);text-align:left;color:var(--text-muted)}tbody tr:hover td{color:var(--text-main);background:var(--bg-elevated)}tbody tr:last-child td{border-bottom:none}.shell{display:flex;min-height:100vh;min-height:100dvh}.sidebar{width:232px;flex-shrink:0;display:flex;flex-direction:column;background:var(--bg-sidebar);border-right:1px solid var(--border-subtle);padding:20px 14px;position:sticky;top:0;height:100vh;height:100dvh}.brand{display:flex;align-items:center;gap:10px;padding:4px 8px 20px;margin-bottom:8px;border-bottom:1px solid var(--border-softer)}.brand-mark{width:34px;height:34px;flex-shrink:0;border-radius:10px;background:var(--accent-gradient);display:flex;align-items:center;justify-content:center;color:#fff;box-shadow:var(--shadow-glow)}.brand-text{display:flex;flex-direction:column;line-height:1.25;min-width:0}.brand-name{font-size:.94em;font-weight:650;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;background:var(--accent-gradient);-webkit-background-clip:text;background-clip:text;color:transparent}.brand-tag{font-size:.72em;color:var(--text-soft);white-space:nowrap}.side-nav{display:flex;flex-direction:column;gap:2px;flex:1;margin-top:4px}.side-item{display:flex;align-items:center;gap:10px;width:100%;background:transparent;border:1px solid transparent;border-radius:var(--radius-md);padding:.6em .75em;font-size:.87em;font-weight:520;color:var(--text-muted);box-shadow:none;justify-content:flex-start;text-align:left;transition:background var(--transition-med),color var(--transition-fast),transform var(--transition-fast)}.side-item svg{flex-shrink:0;opacity:.85;transition:opacity var(--transition-fast)}.side-item:hover:not(:disabled){color:var(--text-main);background:var(--bg-elevated);transform:none;filter:none;box-shadow:none}.side-item.active{color:#fff;background:var(--accent-gradient);box-shadow:var(--shadow-glow)}.side-item.active svg{opacity:1}.side-item.active:hover:not(:disabled){color:#fff;background:var(--accent-gradient);box-shadow:var(--shadow-glow)}.sidebar-footer{padding-top:10px;border-top:1px solid var(--border-softer)}.ai-chip{display:flex;align-items:center;gap:8px;padding:.55em .7em;border-radius:var(--radius-md);background:var(--bg-inset);border:1px solid var(--border-softer);color:var(--text-soft);font-size:.78em;white-space:nowrap;overflow:hidden}.ai-chip span{overflow:hidden;text-overflow:ellipsis}.ai-chip .dot{width:7px;height:7px;border-radius:50%;flex-shrink:0;background:var(--text-soft)}.ai-chip.online .dot{background:var(--success);box-shadow:0 0 6px 1px var(--success)}.ai-chip.offline .dot{background:var(--danger)}.shell-main{flex:1;min-width:0;display:flex;flex-direction:column}.topbar{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:22px 32px 14px;position:sticky;top:0;z-index:5;background:var(--bg-main);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--border-softer)}.topbar-title{font-size:1.3em;font-weight:650;margin:0;color:var(--text-main)}.topbar-actions{display:flex;align-items:center;gap:12px}.theme-toggle{display:flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:var(--radius-pill);background:var(--bg-elevated);border:1px solid var(--border-subtle);color:var(--text-muted);cursor:pointer;transition:color .15s ease,border-color .15s ease,background .15s ease}.theme-toggle:hover{color:var(--accent-strong);border-color:var(--accent-soft);background:var(--accent-soft)}.app-main{animation:fadeUp .35s ease-out;padding:20px 32px 48px;max-width:1080px}.hint{color:var(--text-muted);font-size:.9em;max-width:65ch;margin-bottom:1.1rem;margin-top:0}.row{display:flex;gap:.5rem;align-items:center;margin:.75rem 0;flex-wrap:wrap}.field-label{display:block;font-size:.78em;font-weight:560;text-transform:uppercase;letter-spacing:.06em;color:var(--text-soft);margin:.9rem 0 .35rem}.field-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:.75rem 1rem}.card{position:relative;background:var(--bg-elevated-solid);border-radius:var(--radius-lg);border:1px solid var(--border-subtle);box-shadow:var(--shadow-soft);padding:1.4rem 1.5rem;margin-top:1rem;overflow:hidden;transition:border-color var(--transition-med),box-shadow var(--transition-med)}.card:hover{border-color:var(--accent-soft)}.card:before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,var(--accent-soft) 35%,var(--accent-soft) 65%,transparent)}.card h3{margin-top:0;font-size:.98em}.card-header{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:.9rem}.card-header-title{display:flex;align-items:center;gap:8px}.card-header svg{color:var(--accent-strong)}.card-header h3{margin:0}.stat-row{display:flex;gap:.7rem;flex-wrap:wrap;margin-bottom:1.2rem}.stat{min-width:118px;padding:12px 16px;border-radius:var(--radius-md);background:var(--bg-inset);border:1px solid var(--border-softer);border-left:2.5px solid var(--accent);transition:transform var(--transition-fast),border-color var(--transition-fast),background var(--transition-fast)}.stat:hover{transform:translateY(-1px);background:var(--bg-elevated);border-color:var(--accent-soft)}.stat-value{display:block;font-size:1.55em;font-weight:650;font-variant-numeric:tabular-nums;color:var(--text-main);letter-spacing:-.02em}.stat-label{font-size:.72em;text-transform:uppercase;letter-spacing:.08em;color:var(--text-soft)}.error-banner{display:flex;align-items:flex-start;gap:8px;background:var(--danger-soft);border:1px solid rgba(251,113,133,.35);border-radius:var(--radius-md);padding:.65em 1em;font-size:.88em;margin:.75rem 0;color:var(--text-main)}.badge{display:inline-block;font-size:.78em;font-weight:600;padding:.15em .6em;border-radius:999px;letter-spacing:.02em}.badge-success{background:var(--success-soft);color:var(--success)}.badge-danger{background:var(--danger-soft);color:var(--danger)}.badge-warning{background:var(--warning-soft);color:var(--warning)}.badge-neutral{background:var(--bg-inset);color:var(--text-soft);border:1px solid var(--border-softer)}@keyframes fadeUp{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.kind-pill{display:inline-flex;align-items:center;gap:5px;font-size:.74em;font-weight:650;text-transform:uppercase;letter-spacing:.05em;padding:.2em .55em;border-radius:var(--radius-sm)}.kind-assignment{background:var(--accent-soft);color:var(--accent-strong)}.kind-exam{background:var(--danger-soft);color:var(--danger)}.kind-quiz{background:var(--warning-soft);color:var(--warning)}.kind-project{background:var(--success-soft);color:var(--success)}.status-select{font-size:.82em;padding:.35em .6em;width:auto}.priority-tag{font-size:.72em;font-weight:600;color:var(--text-soft)}.priority-tag.urgent{color:var(--danger)}.priority-tag.high{color:var(--warning)}.progress-track{height:6px;border-radius:var(--radius-pill);background:var(--bg-inset);border:1px solid var(--border-softer);overflow:hidden}.progress-fill{height:100%;background:var(--accent-gradient);border-radius:var(--radius-pill);transition:width .25s ease}.priority-list{display:flex;flex-direction:column;gap:.5rem}.priority-item{display:flex;align-items:center;gap:12px;padding:.7em .9em;border-radius:var(--radius-md);background:var(--bg-inset);border:1px solid var(--border-softer);border-left:2.5px solid var(--accent);transition:border-color var(--transition-fast),background var(--transition-fast)}.priority-item.overdue{border-left-color:var(--danger)}.priority-item:hover{background:var(--bg-elevated);border-color:var(--accent-soft)}.priority-rank{font-size:.78em;font-weight:700;color:var(--text-soft);width:1.4em;flex-shrink:0;text-align:center}.priority-body{flex:1;min-width:0}.priority-title{font-weight:560;color:var(--text-main);font-size:.92em;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.priority-reason{font-size:.78em;color:var(--text-soft)}.course-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:1rem}.course-card{cursor:pointer}.course-color-dot{width:10px;height:10px;border-radius:50%;flex-shrink:0}.course-card-title{display:flex;align-items:center;gap:8px;font-weight:620;margin-bottom:.2rem}.course-card-meta{font-size:.82em;color:var(--text-soft)}.extraction-card{border:1px solid var(--border-softer);border-radius:var(--radius-md);background:var(--bg-inset);padding:.9em 1em;margin-bottom:.6rem}.extraction-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:.4rem}.extraction-title{font-weight:600;font-size:.94em}.extraction-excerpt{font-size:.82em;color:var(--text-soft);font-style:italic;border-left:2px solid var(--border-subtle);padding-left:.6em;margin:.4em 0}.extraction-meta{display:flex;gap:10px;align-items:center;font-size:.78em;color:var(--text-soft);margin-bottom:.5rem}.confidence-track{width:60px;height:4px;border-radius:var(--radius-pill);background:var(--border-softer);overflow:hidden}.confidence-fill{height:100%;background:var(--accent-gradient)}.extraction-actions{display:flex;gap:8px}.extraction-actions button{font-size:.8em;padding:.4em .8em}.markdown-content h2,.markdown-content h3,.markdown-content h4{margin:1.1em 0 .4em}.markdown-content h2:first-child,.markdown-content h3:first-child,.markdown-content h4:first-child{margin-top:0}.markdown-content p{margin:.5em 0;line-height:1.6;color:var(--text-muted)}.markdown-content ul{margin:.4em 0 .8em;padding-left:1.3em;color:var(--text-muted)}.markdown-content li{margin:.3em 0;line-height:1.5}.markdown-content strong{color:var(--text-main)}.tabs{display:flex;gap:4px;border-bottom:1px solid var(--border-softer);margin-bottom:1rem;overflow-x:auto;flex-wrap:nowrap;scrollbar-width:thin;-webkit-overflow-scrolling:touch}.tabs::-webkit-scrollbar{height:3px}.tabs::-webkit-scrollbar-thumb{background:var(--border-subtle);border-radius:var(--radius-pill)}.tab-item{white-space:nowrap;flex-shrink:0;background:transparent;box-shadow:none;color:var(--text-muted);border-radius:var(--radius-sm) var(--radius-sm) 0 0;padding:.6em 1em;font-size:.86em;border-bottom:2px solid transparent}.tab-item:hover:not(:disabled){background:var(--bg-elevated);filter:none;color:var(--text-main)}.tab-item.active{color:var(--accent-strong);border-bottom:2px solid var(--accent);background:transparent}.onboarding-shell{min-height:100vh;min-height:100dvh;display:flex;align-items:center;justify-content:center;padding:40px 20px}.onboarding-card{width:100%;max-width:560px}.step-dots{display:flex;gap:6px;margin-bottom:1.2rem}.step-dot{height:4px;flex:1;border-radius:var(--radius-pill);background:var(--border-softer)}.step-dot.done,.step-dot.active{background:var(--accent-gradient)}.empty-state{text-align:center;padding:2.4rem 1rem;color:var(--text-soft)}.empty-state svg{opacity:.5;margin-bottom:.6rem}.dev-pill{display:flex;align-items:center;gap:7px;padding:.4em .85em;border-radius:var(--radius-pill);background:#fbbf241f;border:1px solid rgba(251,191,36,.3);color:var(--warning);font-size:.78em;font-weight:520;white-space:nowrap}@media (max-width: 860px){.sidebar{width:76px;padding:16px 10px}.brand-text,.sidebar-footer,.side-item span{display:none}.brand{justify-content:center;padding-bottom:16px}.side-item{justify-content:center;padding:.7em}.topbar{padding:18px 20px 4px}.app-main{padding:16px 20px 40px}}@media (max-width: 560px){.shell{flex-direction:column}.sidebar{position:fixed;top:auto;bottom:0;left:0;right:0;z-index:20;width:100%;height:auto;flex-direction:row;border-right:none;border-top:1px solid var(--border-subtle);padding:6px 8px;padding-bottom:calc(6px + env(safe-area-inset-bottom,0px))}.brand{display:none}.side-nav{flex-direction:row;justify-content:space-around;gap:4px;margin-top:0}.side-item{flex-direction:column;gap:3px;padding:.45em .3em;font-size:.68em;letter-spacing:.01em}.side-item span{display:block}.side-item.active{background:var(--bg-elevated);color:var(--accent-strong);box-shadow:none}.side-item.active:hover:not(:disabled){background:var(--bg-elevated);color:var(--accent-strong);box-shadow:none}.topbar{flex-direction:row;align-items:center;justify-content:space-between;gap:.5rem;padding:14px 16px 4px}.app-main{padding:12px 16px;padding-bottom:calc(84px + env(safe-area-inset-bottom,0px))}.field-grid{grid-template-columns:1fr}}@media (pointer: coarse){button,select,input:not([type=checkbox]):not([type=radio]),.tab-item,.side-item{min-height:44px}.course-card,.priority-item{min-height:56px}}.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;max-width:100%}.study-stage{display:flex;flex-direction:column;align-items:center;gap:1rem}.flashcard{width:100%;max-width:640px;min-height:280px;perspective:1400px;cursor:pointer;background:none;border:none;padding:0;box-shadow:none;color:inherit;font:inherit;text-align:left}.flashcard:hover:not(:disabled){transform:none;filter:none;box-shadow:none}.flashcard-inner{position:relative;width:100%;min-height:280px;transition:transform .45s cubic-bezier(.2,.7,.3,1);transform-style:preserve-3d}.flashcard.flipped .flashcard-inner{transform:rotateY(180deg)}.flashcard-face{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.8rem;padding:2rem 1.6rem;border-radius:var(--radius-lg);border:1px solid var(--border-subtle);background:var(--bg-elevated-solid);box-shadow:var(--shadow-soft);backface-visibility:hidden;-webkit-backface-visibility:hidden;overflow-y:auto}.flashcard-face.back{transform:rotateY(180deg);border-color:var(--accent-soft)}.flashcard-text{font-size:1.15em;line-height:1.5;text-align:center;white-space:pre-wrap}.flashcard-hint{font-size:.78em;color:var(--text-soft)}.study-progress{display:flex;align-items:center;gap:10px;width:100%;max-width:640px;font-size:.82em;color:var(--text-soft)}.study-progress .progress-track{flex:1}.study-controls{display:flex;gap:8px;align-items:center;justify-content:center;flex-wrap:wrap;width:100%;max-width:640px}