@import"https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Roboto+Mono:wght@400;500;700&display=swap";:root{--bg: #f8f6f1;--bg-deep: #f0ede4;--ink: #2d3748;--ink-dim: #718096;--ink-faint: #a0aec0;--surface: #ffffff;--surface-2: #f0ede4;--border: #e2ddd5;--teal: #2c7a7b;--teal-light: #81e6d9;--sage: #48bb78;--amber: #d69e2e;--rose: #e53e3e;--lavender: #805ad5;--shadow: 0 2px 8px rgba(45, 55, 72, .05);--shadow-md: 0 8px 24px rgba(45, 55, 72, .08);--shadow-glass: 0 8px 32px 0 rgba(31, 38, 135, .07);--font-body: "Inter", system-ui, -apple-system, sans-serif;--font-mono: "Roboto Mono", monospace;--radius-sm: 8px;--radius: 14px;--radius-lg: 20px;--radius-full: 9999px;--ease-smooth: cubic-bezier(.4, 0, .2, 1);--ease-snap: cubic-bezier(.34, 1.56, .64, 1)}.theme-midnight{--bg: #0f172a;--bg-deep: #020617;--ink: #f1f5f9;--ink-dim: #94a3b8;--ink-faint: #475569;--surface: #1e293b;--surface-2: #0f172a;--border: #334155;--teal: #38bdf8;--sage: #4ade80;--amber: #fbbf24;--rose: #f87171;--lavender: #c084fc;--shadow-md: 0 8px 24px rgba(0, 0, 0, .4)}.theme-sunset{--bg: #fffaf0;--bg-deep: #fef3c7;--ink: #78350f;--ink-dim: #b45309;--ink-faint: #d97706;--surface: #ffffff;--surface-2: #fffbeb;--border: #fde68a;--teal: #ea580c;--sage: #84cc16;--amber: #f59e0b;--rose: #dc2626;--lavender: #d946ef}*,*:before,*:after{box-sizing:border-box;-webkit-tap-highlight-color:transparent}body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font-body);font-size:15px;line-height:1.6;-webkit-font-smoothing:antialiased;overscroll-behavior-y:none;overflow-x:hidden;-webkit-user-select:none;user-select:none}input,textarea,.card p,.flashcard,.stat-value{-webkit-user-select:text;user-select:text}body,.card,.btn,header,nav{transition:background-color .35s ease,color .35s ease,border-color .35s ease}.app-shell{min-height:100vh;padding-bottom:100px}.glass-panel{background:rgba(var(--surface-rgb, 255, 255, 255),.7);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid rgba(255,255,255,.2);border-radius:var(--radius);box-shadow:var(--shadow-glass)}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:1.25rem;transition:transform .2s ease,box-shadow .2s ease}.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}.card--teal{border-top:4px solid var(--teal)}.card--sage{border-top:4px solid var(--sage)}.card--amber{border-top:4px solid var(--amber)}.card--rose{border-top:4px solid var(--rose)}.card--lav{border-top:4px solid var(--lavender)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;font-family:var(--font-body);font-weight:600;font-size:.875rem;border-radius:var(--radius-sm);border:1.5px solid transparent;padding:.6rem 1.1rem;cursor:pointer;transition:all .18s var(--ease-smooth);white-space:nowrap}.btn:active{transform:scale(.97)}.btn:disabled{opacity:.45;cursor:not-allowed;transform:none}.btn-primary{background:var(--teal);color:#fff;border-color:var(--teal);box-shadow:0 2px 6px #2c7a7b59}.btn-primary:hover{filter:brightness(1.1)}.btn-secondary{background:var(--surface-2);color:var(--ink);border-color:var(--border)}.btn-secondary:hover{border-color:var(--teal);color:var(--teal)}.btn-ghost{background:transparent;color:var(--ink-dim);border-color:transparent}.btn-ghost:hover{background:var(--surface-2);color:var(--ink)}.btn-danger{background:transparent;color:var(--rose);border-color:transparent}.btn-danger:hover{background:#fff5f5}.btn-full{width:100%}input,textarea,select{width:100%;background:var(--surface-2);color:var(--ink);border:1.5px solid var(--border);border-radius:var(--radius-sm);padding:.6rem .8rem;font-family:var(--font-body);font-size:.9rem;outline:none;transition:border-color .18s ease}input:focus,textarea:focus,select:focus{border-color:var(--teal);box-shadow:0 0 0 3px #2c7a7b1f}textarea{resize:vertical;min-height:80px}.chip{display:inline-flex;align-items:center;gap:.25rem;font-size:.7rem;font-weight:600;font-family:var(--font-mono);padding:.15rem .55rem;border-radius:var(--radius-full);background:var(--surface-2);color:var(--ink-dim);border:1.5px solid var(--border);text-transform:uppercase;letter-spacing:.03em}.chip--teal{background:#2c7a7b1f;color:var(--teal);border-color:#2c7a7b40}.chip--sage{background:#48bb781f;color:var(--sage);border-color:#48bb7840}.chip--amber{background:#d69e2e1f;color:var(--amber);border-color:#d69e2e40}.chip--rose{background:#e53e3e1f;color:var(--rose);border-color:#e53e3e40}.chip--lav{background:#805ad51f;color:var(--lavender);border-color:#805ad540}.section-title{font-size:.7rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--ink-dim);font-family:var(--font-mono);margin-bottom:.75rem;display:flex;align-items:center;gap:.5rem}.stat-widget{background:var(--surface);border:1.5px solid var(--border);border-radius:var(--radius);padding:1rem;display:flex;flex-direction:column;gap:.5rem;box-shadow:var(--shadow)}.stat-value{font-size:1.9rem;font-weight:700;font-family:var(--font-mono);line-height:1;color:var(--ink)}.stat-label{font-size:.7rem;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--ink-dim)}.stat-controls{display:flex;gap:.4rem;margin-top:.25rem}.progress-bar{height:6px;background:var(--surface-2);border-radius:var(--radius-full);overflow:hidden}.progress-fill{height:100%;border-radius:var(--radius-full);transition:width .5s var(--ease-smooth)}.tabbar{position:fixed;left:12px;right:12px;bottom:14px;background:var(--surface);border:1.5px solid var(--border);border-radius:16px;box-shadow:var(--shadow-md);padding:8px;display:grid;grid-template-columns:repeat(5,1fr);gap:4px;z-index:60}.tab-btn{background:transparent;border:none;border-radius:10px;padding:8px 4px;display:flex;flex-direction:column;align-items:center;gap:3px;cursor:pointer;color:var(--ink-faint);font-size:.6rem;font-weight:700;font-family:var(--font-mono);text-transform:uppercase;letter-spacing:.04em;transition:all .18s ease}.tab-btn.active{background:var(--bg-deep);color:var(--teal)}.app-header{position:sticky;top:0;z-index:50;background:#f8f6f1e0;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1.5px solid var(--border);padding:1rem 1.25rem;display:flex;justify-content:space-between;align-items:center}.dark-mode .app-header{background:#1a202ce0}@keyframes blink{0%,90%,to{transform:scaleY(1)}95%{transform:scaleY(.08)}}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-4px)}}@keyframes star-twinkle{0%,to{opacity:.3;transform:scale(.9)}50%{opacity:1;transform:scale(1.2)}}.organelo-float{animation:float 3.5s ease-in-out infinite}.organelo-eyes{animation:blink 4s infinite;transform-origin:center}.organelo-star{animation:star-twinkle 2s infinite ease-in-out}@keyframes fade-in-up{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}.anim-pop{animation:fade-in-up .3s var(--ease-snap) both}.chart-wrap{display:flex;align-items:flex-end;justify-content:space-around;height:64px;gap:6px}.chart-col{display:flex;flex-direction:column;align-items:center;gap:3px}.chart-bars{display:flex;align-items:flex-end;gap:2px}.bar{width:5px;border-radius:3px 3px 0 0;transition:height .5s var(--ease-smooth);min-height:2px}.chart-label{font-size:.6rem;font-family:var(--font-mono);color:var(--ink-faint)}.toast-wrap{position:fixed;top:70px;left:50%;transform:translate(-50%);z-index:9000;pointer-events:none}.toast{background:var(--ink);color:var(--surface);padding:.6rem 1.25rem;border-radius:var(--radius-full);font-size:.8rem;font-weight:500;box-shadow:var(--shadow-md);animation:fade-in-up .3s var(--ease-snap) both;text-align:center;max-width:300px}.tip-wrap{position:relative;display:inline-flex;align-items:center;cursor:help;margin-left:4px}.tip-icon{color:var(--ink-faint);transition:color .15s}.tip-wrap:hover .tip-icon{color:var(--teal)}.tip-popup{position:absolute;bottom:calc(100% + 8px);left:50%;transform:translate(-50%) translateY(4px);background:var(--ink);color:var(--surface);padding:.5rem .75rem;border-radius:var(--radius-sm);font-size:.72rem;width:210px;text-align:center;line-height:1.45;visibility:hidden;opacity:0;pointer-events:none;transition:all .2s var(--ease-smooth);z-index:200}.tip-wrap:hover .tip-popup{visibility:visible;opacity:1;transform:translate(-50%) translateY(0)}.divider{height:1px;background:var(--border);margin:1rem 0}.stack-4>*+*{margin-top:1rem}.stack-3>*+*{margin-top:.75rem}.stack-2>*+*{margin-top:.5rem}.flashcard{background:var(--surface);border:1.5px solid var(--border);border-radius:var(--radius);padding:2rem 1.5rem;text-align:center;min-height:200px;display:flex;flex-direction:column;justify-content:center;box-shadow:var(--shadow-md)}.flashcard-answer{margin-top:1.25rem;padding-top:1.25rem;border-top:1.5px dashed var(--border);color:var(--teal);font-weight:600}.pomodoro-display{font-size:3.5rem;font-weight:700;font-family:var(--font-mono);text-align:center;letter-spacing:-.02em;color:var(--ink);line-height:1}.pomodoro-label{text-align:center;font-size:.72rem;font-family:var(--font-mono);text-transform:uppercase;letter-spacing:.08em;color:var(--ink-faint);margin-top:.4rem}