@font-face{font-family:Space Grotesk;src:url(../fonts/SpaceGrotesk-var.woff2) format("woff2");font-weight:300 700;font-style:normal;font-display:swap}@property --p{syntax: "<number>"; inherits: false; initial-value: 0;}:root{color-scheme:dark light;--bg: #06070e;--bg-soft: #0b0e1a;--card: rgba(255, 255, 255, .08);--card-2: rgba(255, 255, 255, .16);--surface-dropdown: #141828;--surface-modal: #141828;--border: rgba(255, 255, 255, .13);--border-2: rgba(255, 255, 255, .2);--text: #F5F6FC;--text-dim: #9AA4C0;--text-faint: #6F7A98;--accent: #9B8CFF;--accent-2: #7FC4FF;--grad: linear-gradient(120deg, #9B8CFF, #7FC4FF);--glow: 0 8px 44px -8px rgba(155, 140, 255, .6);--glow-strong: 0 14px 60px -6px rgba(155, 140, 255, .75);--ok: #3CE0A8;--ok-soft: rgba(60, 224, 168, .14);--bad: #FF6E8B;--bad-soft: rgba(255, 110, 139, .14);--warn: #FFC55C;--surface-topbar: #06070e;--surface-nav: #06070e;--surface-toast: #141828;--surface-sheet: rgba(2, 3, 8, .8);--surface-switch: rgba(255, 255, 255, .18);--border-hover: rgba(255, 255, 255, .24);--border-active: rgba(255, 255, 255, .3);--text-btn: #fff;--text-btn-sec: #Eef1ff;--text-meta: #AAB4D0;--text-sub: #BAC3DB;--text-accent: #D3CBFF;--text-correct: #03110c;--text-wrong: #2b0812;--text-danger: #FF7B88;--text-danger-h: #FF959F;--switch-knob: #9AA4C0;--shadow-sm: rgba(0, 0, 0, .6);--shadow-lg: rgba(0, 0, 0, .7);--sel-bg: rgba(155, 140, 255, .34);--tint-badge: rgba(155, 140, 255, .3);--tint-sync: rgba(255, 255, 255, .34);--tint-fb: rgba(255, 255, 255, .1);--accent-soft: rgba(155, 140, 255, .16);--accent-med: rgba(155, 140, 255, .26);--accent-border: rgba(155, 140, 255, .38);--accent-faint: rgba(155, 140, 255, .08);--focus-ring: 0 0 0 3px rgba(155, 140, 255, .28);--glow-hero: 0 12px 56px -6px rgba(155, 140, 255, .7);--switch-on: rgba(155, 140, 255, .36);--accent-2-soft: rgba(127, 196, 255, .12);--accent-2-border: rgba(127, 196, 255, .34);--warn-soft: rgba(255, 197, 92, .12);--warn-border: rgba(255, 197, 92, .32);--ok-border: rgba(60, 224, 168, .34);--bad-border: rgba(255, 110, 139, .34);--danger: #E5484D;--danger-soft: rgba(229, 72, 77, .14);--danger-border: rgba(229, 72, 77, .44);--danger-hover: rgba(229, 72, 77, .28);--danger-card-border: rgba(229, 72, 77, .4);--blob1: rgba(155, 140, 255, .55);--blob2: rgba(90, 150, 255, .5);--blob3: rgba(120, 150, 255, .45);--blob4: rgba(190, 150, 255, .5);--blob5: rgba(96, 210, 255, .42);--blob6: rgba(130, 130, 255, .5);--grad-bg-1: rgba(155, 140, 255, .18);--grad-bg-2: rgba(127, 196, 255, .14);--r-xs: 8px;--r-sm: 12px;--r-md: 18px;--r-pill: 999px;--radius: var(--r-md);--nav-h: 64px;--font: "Space Grotesk", system-ui, -apple-system, "Segoe UI", sans-serif;--tooltip-bg: #20263A;--tooltip-text: #fff;--line: rgba(255, 255, 255, .08);--blur-glass: 14px;--ease-out: cubic-bezier(.22, .8, .24, 1);--ease-spring: cubic-bezier(.34, 1.4, .4, 1)}@media (prefers-color-scheme: light){:root{color-scheme:light;--bg: #EDEFF7;--bg-soft: #E2E6F2;--card: rgba(255, 255, 255, .7);--card-2: rgba(255, 255, 255, .88);--surface-dropdown: #FFFFFF;--surface-modal: #FFFFFF;--border: rgba(25, 30, 55, .12);--border-2: rgba(25, 30, 55, .18);--text: #12141f;--text-dim: #4F5872;--text-faint: #8893ae;--accent: #6E5BF0;--accent-2: #3D8BE0;--grad: linear-gradient(120deg, #6E5BF0, #3D8BE0);--glow: 0 8px 40px -10px rgba(110, 91, 240, .5);--glow-strong: 0 14px 54px -8px rgba(110, 91, 240, .62);--ok: #0FA374;--ok-soft: rgba(15, 163, 116, .12);--bad: #E05270;--bad-soft: rgba(224, 82, 112, .12);--warn: #C88A13;--surface-topbar: #EDEFF7;--surface-nav: #EDEFF7;--surface-toast: #FFFFFF;--surface-sheet: rgba(20, 24, 45, .62);--surface-switch: rgba(25, 30, 55, .18);--border-hover: rgba(25, 30, 55, .22);--border-active: rgba(25, 30, 55, .3);--text-btn: #fff;--text-btn-sec: #2E3450;--text-meta: #4F5872;--text-sub: #4F5872;--text-accent: #6E5BF0;--text-correct: #07543b;--text-wrong: #8F1D36;--text-danger: #D9445E;--text-danger-h: #BB3550;--switch-knob: #6B7280;--shadow-sm: rgba(30, 40, 90, .14);--shadow-lg: rgba(30, 40, 90, .2);--sel-bg: rgba(110, 91, 240, .18);--tint-badge: rgba(110, 91, 240, .18);--tint-sync: rgba(25, 30, 55, .24);--tint-fb: rgba(25, 30, 55, .06);--blob1: rgba(110, 91, 240, .3);--blob2: rgba(61, 139, 224, .3);--blob3: rgba(120, 150, 255, .26);--blob4: rgba(180, 120, 255, .26);--blob5: rgba(80, 200, 255, .22);--blob6: rgba(120, 108, 255, .26);--grad-bg-1: rgba(110, 91, 240, .14);--grad-bg-2: rgba(61, 139, 224, .11);--accent-soft: rgba(110, 91, 240, .1);--accent-med: rgba(110, 91, 240, .16);--accent-border: rgba(110, 91, 240, .24);--accent-faint: rgba(110, 91, 240, .05);--focus-ring: 0 0 0 3px rgba(110, 91, 240, .18);--glow-hero: 0 12px 44px -8px rgba(110, 91, 240, .5);--switch-on: rgba(110, 91, 240, .28);--accent-2-soft: rgba(61, 139, 224, .08);--accent-2-border: rgba(61, 139, 224, .22);--warn-soft: rgba(200, 138, 19, .1);--warn-border: rgba(200, 138, 19, .24);--ok-border: rgba(15, 163, 116, .24);--bad-border: rgba(224, 82, 112, .24);--danger: #B6344E;--danger-soft: rgba(182, 52, 78, .1);--danger-border: rgba(182, 52, 78, .32);--danger-hover: rgba(182, 52, 78, .2);--danger-card-border: rgba(182, 52, 78, .28);--tooltip-bg: #FFFFFF;--tooltip-text: #1A1D26;--line: rgba(25, 30, 55, .08)}.danger-card{border-color:var(--danger-card-border)}}[data-mode=light]{color-scheme:light;--bg: #EDEFF7;--bg-soft: #E2E6F2;--card: rgba(255, 255, 255, .7);--card-2: rgba(255, 255, 255, .88);--surface-dropdown: #FFFFFF;--surface-modal: #FFFFFF;--border: rgba(25, 30, 55, .12);--border-2: rgba(25, 30, 55, .18);--text: #12141f;--text-dim: #4F5872;--text-faint: #8893ae;--accent: #6E5BF0;--accent-2: #3D8BE0;--grad: linear-gradient(120deg, #6E5BF0, #3D8BE0);--glow: 0 8px 40px -10px rgba(110, 91, 240, .5);--glow-strong: 0 14px 54px -8px rgba(110, 91, 240, .62);--ok: #0FA374;--ok-soft: rgba(15, 163, 116, .12);--bad: #E05270;--bad-soft: rgba(224, 82, 112, .12);--warn: #C88A13;--text-accent: #6E5BF0;--sel-bg: rgba(110, 91, 240, .18);--tint-badge: rgba(110, 91, 240, .18);--surface-topbar: #EDEFF7;--surface-nav: #EDEFF7;--surface-toast: #FFFFFF;--surface-sheet: rgba(20, 24, 45, .62);--surface-switch: rgba(25, 30, 55, .18);--border-hover: rgba(25, 30, 55, .22);--border-active: rgba(25, 30, 55, .3);--text-btn: #fff;--text-btn-sec: #2E3450;--text-meta: #4F5872;--text-sub: #4F5872;--text-correct: #07543b;--text-wrong: #8F1D36;--text-danger: #D9445E;--text-danger-h: #BB3550;--switch-knob: #6B7280;--shadow-sm: rgba(30, 40, 90, .14);--shadow-lg: rgba(30, 40, 90, .2);--tint-sync: rgba(25, 30, 55, .24);--tint-fb: rgba(25, 30, 55, .06);--accent-soft: rgba(110, 91, 240, .1);--accent-med: rgba(110, 91, 240, .16);--accent-border: rgba(110, 91, 240, .24);--accent-faint: rgba(110, 91, 240, .05);--focus-ring: 0 0 0 3px rgba(110, 91, 240, .18);--glow-hero: 0 12px 44px -8px rgba(110, 91, 240, .5);--switch-on: rgba(110, 91, 240, .28);--accent-2-soft: rgba(61, 139, 224, .08);--accent-2-border: rgba(61, 139, 224, .22);--ok-border: rgba(15, 163, 116, .24);--bad-border: rgba(224, 82, 112, .24);--danger: #B6344E;--danger-soft: rgba(182, 52, 78, .1);--danger-border: rgba(182, 52, 78, .32);--danger-hover: rgba(182, 52, 78, .2);--danger-card-border: rgba(182, 52, 78, .28);--warn-soft: rgba(200, 138, 19, .1);--warn-border: rgba(200, 138, 19, .24);--blob1: rgba(110, 91, 240, .3);--blob2: rgba(61, 139, 224, .3);--blob3: rgba(120, 150, 255, .26);--blob4: rgba(180, 120, 255, .26);--blob5: rgba(80, 200, 255, .22);--blob6: rgba(120, 108, 255, .26);--grad-bg-1: rgba(110, 91, 240, .14);--grad-bg-2: rgba(61, 139, 224, .11)}[data-mode=dark]{color-scheme:dark;--surface-topbar: #06070e;--surface-nav: #06070e;--surface-toast: #141828;--surface-sheet: rgba(2, 3, 8, .8);--surface-switch: rgba(255, 255, 255, .18);--border-hover: rgba(255, 255, 255, .24);--border-active: rgba(255, 255, 255, .3);--text-btn: #fff;--text-btn-sec: #Eef1ff;--text-meta: #AAB4D0;--text-sub: #BAC3DB;--text-correct: #03110c;--text-wrong: #2b0812;--text-danger: #FF7B88;--text-danger-h: #FF959F;--switch-knob: #9AA4C0;--shadow-sm: rgba(0, 0, 0, .6);--shadow-lg: rgba(0, 0, 0, .7);--tint-sync: rgba(255, 255, 255, .34);--tint-fb: rgba(255, 255, 255, .1);--ok: #3CE0A8;--ok-soft: rgba(60, 224, 168, .14);--bad: #FF6E8B;--bad-soft: rgba(255, 110, 139, .14);--warn: #FFC55C;--ok-border: rgba(60, 224, 168, .34);--bad-border: rgba(255, 110, 139, .34);--danger: #E5484D;--danger-soft: rgba(229, 72, 77, .14);--danger-border: rgba(229, 72, 77, .44);--danger-hover: rgba(229, 72, 77, .28);--danger-card-border: rgba(229, 72, 77, .4);--warn-soft: rgba(255, 197, 92, .12);--warn-border: rgba(255, 197, 92, .32);--blob1: rgba(155, 140, 255, .55);--blob2: rgba(90, 150, 255, .5);--blob3: rgba(120, 150, 255, .45);--blob4: rgba(190, 150, 255, .5);--blob5: rgba(96, 210, 255, .42);--blob6: rgba(130, 130, 255, .5);--grad-bg-1: rgba(155, 140, 255, .18);--grad-bg-2: rgba(127, 196, 255, .14)}*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}@media (hover: none){html{scroll-behavior:smooth}}body{font-family:var(--font);background:radial-gradient(1100px 520px at 85% -10%,var(--grad-bg-1),transparent 60%),radial-gradient(900px 420px at -10% 110%,var(--grad-bg-2),transparent 60%),var(--bg);color:var(--text);min-height:100dvh;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}#app{display:flex;flex-direction:column;min-height:100dvh;position:relative;z-index:1}.hidden{display:none!important}button{font:inherit;color:inherit;background:none;border:none;cursor:pointer}button:focus-visible,input:focus-visible,[tabindex]:focus-visible{outline:2px solid var(--accent);outline-offset:2px}svg{width:22px;height:22px;fill:currentColor;flex-shrink:0}.glass{background:var(--card);border:1px solid var(--border);box-shadow:0 1px #ffffff17 inset,0 24px 60px -30px var(--shadow-lg)}.topbar{position:sticky;top:0;z-index:40;background:var(--surface-topbar);border-bottom:1px solid var(--border)}.topbar-inner{display:flex;align-items:center;gap:8px;max-width:560px;margin:0 auto;padding:14px 16px}.topbar h1{font-size:18px;font-weight:700;letter-spacing:-.01em}.icon-btn{display:grid;place-items:center;width:38px;height:38px;border-radius:var(--r-sm);color:var(--text-dim);transition:background .2s var(--ease-out),color .2s var(--ease-out),transform .12s var(--ease-spring)}.icon-btn:hover{color:var(--text);background:var(--card)}.icon-btn:active{background:var(--card-2);transform:scale(.9)}.progress-track{height:3px;background:var(--card-2);overflow:hidden}.progress-fill{height:100%;width:0%;background:var(--grad);transition:width .35s ease;box-shadow:0 0 12px var(--accent-soft)}#main{flex:1;padding-bottom:calc(var(--nav-h) + env(safe-area-inset-bottom) + 24px)}.container{max-width:560px;margin:0 auto;padding:18px 16px 8px}.home-brand{font-size:34px;font-weight:800;letter-spacing:-.04em;background:linear-gradient(135deg,var(--accent),var(--accent-2),var(--accent),var(--accent-2));background-size:300% 300%;-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent;margin:0 0 12px;line-height:1.05;filter:drop-shadow(0 8px 28px rgba(155,140,255,.35))}.view{display:none;animation:fadeIn .26s ease}.view.active{display:block}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@media (prefers-reduced-motion: reduce){*{animation-duration:.01ms!important;transition-duration:.01ms!important}.bg-mesh{display:none!important}}.section-title{font-size:24px;font-weight:700;margin-bottom:8px;letter-spacing:-.03em}.section-sub{color:var(--text-dim);font-size:14.5px;font-weight:400;line-height:1.7;margin-bottom:22px}.card{background:var(--card);border:1px solid var(--border);border-radius:var(--r-md);padding:16px;box-shadow:0 1px #ffffff17 inset,0 24px 60px -30px var(--shadow-lg)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:50px;padding:12px 18px;border-radius:var(--r-sm);font-weight:600;font-size:15px;transition:transform .14s var(--ease-spring),opacity .2s ease,background .22s var(--ease-out),border-color .22s ease,box-shadow .32s ease,filter .2s ease;user-select:none;position:relative}.btn:active{transform:scale(.96)}.btn:disabled{opacity:.45;pointer-events:none}.btn-block{width:100%}.grow{flex:1}.row{display:flex;align-items:center}.gap{gap:10px;margin-top:14px}.btn-primary{background:linear-gradient(180deg,#ffffff38,#ffffff05 58%),var(--grad);color:var(--text-btn);box-shadow:0 1px #ffffff47 inset,0 -8px 20px -12px #0006 inset,var(--glow)}.btn-primary:before{content:"";position:absolute;inset:0;border-radius:inherit;background:linear-gradient(120deg,rgba(255,255,255,.18),transparent 40%,rgba(255,255,255,.1));pointer-events:none}.btn-primary:hover{box-shadow:0 1px #ffffff52 inset,0 -8px 20px -12px #0006 inset,var(--glow-strong);filter:brightness(1.08);transform:translateY(-1px)}.btn-primary:active{filter:brightness(.98);transform:translateY(0)}.btn-hero{min-height:62px;font-size:17.5px;font-weight:700;letter-spacing:.01em;border-radius:var(--r-md);box-shadow:0 1px #ffffff4d inset,0 -10px 22px -14px #00000073 inset,var(--glow-strong)}.btn-hero:hover{filter:brightness(1.09);box-shadow:var(--glow-hero)}.btn-secondary{background:var(--card-2);border:1px solid var(--border-2);color:var(--text-btn-sec);box-shadow:0 1px #ffffff12 inset}.btn-secondary:hover{border-color:var(--border-hover);background:var(--bg-soft)}.btn-ghost{background:var(--bg-soft);border:1px solid var(--border);color:var(--text-dim);font-weight:500}.btn-ghost:hover{color:var(--text);border-color:var(--border-hover);background:var(--card-2)}#btn-reveal.btn{background:var(--accent-2-soft);border:1px solid var(--accent-2-border);color:var(--accent-2);font-weight:600}#btn-reveal.btn:hover:not(:disabled){background:var(--accent-2-soft);border-color:var(--accent);color:var(--accent);filter:brightness(1.05)}.empty{text-align:center;padding:64px 20px;color:var(--text-dim);font-size:15px;font-weight:400;line-height:1.7;display:flex;flex-direction:column;align-items:center;gap:20px}.empty-badge{animation:itemIn .3s ease both}.empty p{animation:itemIn .3s ease .06s both}.empty .btn{animation:itemIn .3s ease .12s both}.empty-actions{display:flex;gap:10px;width:100%;max-width:420px;flex-wrap:wrap}.empty-actions .btn{animation:itemIn .3s ease .12s both}@media (max-width: 420px){.empty-actions{flex-direction:column}}.empty-badge{width:116px;height:116px;border-radius:50%;background:radial-gradient(circle at 35% 30%,var(--accent-med),var(--accent-faint));border:1px solid var(--tint-badge);display:grid;place-items:center}.empty-icon{width:52px;height:52px;fill:none;stroke:var(--accent-2);stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}.quiz-list{list-style:none;display:flex;flex-direction:column;gap:12px;transition:opacity .2s ease}.quiz-item{display:flex;align-items:center;gap:12px;background:var(--card);border:1px solid var(--border);border-radius:var(--r-md);padding:14px;box-shadow:0 1px #ffffff12 inset,0 16px 40px -28px var(--shadow-lg);transition:transform .16s var(--ease-spring),border-color .22s ease,box-shadow .3s ease,background .22s ease;animation:itemIn .24s ease both;animation-delay:calc(var(--i, 0) * 32ms)}.quiz-item:hover{border-color:var(--border-hover);background:var(--card-2);box-shadow:0 1px #ffffff1a inset,0 28px 60px -30px var(--shadow-lg);transform:translateY(-2px)}.quiz-item:active{transform:scale(.97) translateY(0)}.quiz-item-main{flex:1;min-width:0;text-align:left}.quiz-item.skeleton{display:block;padding:16px}.quiz-item.skeleton .sk-block{display:block;height:14px;border-radius:6px;background:var(--card-2);background-image:linear-gradient(90deg,transparent,var(--card),transparent);background-size:200px 100%;background-repeat:no-repeat;animation:shimmer 1.1s infinite linear}.quiz-item.skeleton .sk-block+.sk-block{margin-top:10px}.quiz-item.skeleton .sk-name{width:62%;height:16px}.quiz-item.skeleton .sk-line{width:38%}@keyframes shimmer{0%{background-position:-200px 0}to{background-position:200px 0}}.quiz-item-name{font-weight:600;font-size:15.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;letter-spacing:-.01em}.quiz-item-meta{color:var(--text-meta);font-size:13px;font-weight:400;margin-top:4px;display:flex;gap:8px;flex-wrap:wrap}.badge{font-size:11.5px;font-weight:500;padding:3px 8px;border-radius:var(--r-pill);background:var(--card-2);color:var(--text-dim);border:1px solid var(--border)}.badge.ok{background:var(--ok-soft);color:var(--ok);border-color:var(--ok-border)}.badge.warn{background:var(--warn-soft);color:var(--warn);border-color:var(--warn-border)}.badge.bad{background:var(--bad-soft);color:var(--bad);border-color:var(--bad-border)}.badge.last-try{background:var(--card-2);color:var(--text-dim);font-size:11px}.quiz-action{color:var(--text-faint);padding:10px;border-radius:var(--r-sm)}.quiz-action:hover{color:var(--text);background:var(--card-2)}.quiz-action[data-del]:hover{background:var(--bad-soft);color:var(--bad)}.dropzone{display:flex;flex-direction:column;align-items:center;gap:6px;padding:32px 16px;text-align:center;background:var(--bg-soft);border:2px solid var(--border-2);border-radius:var(--r-md);color:var(--text-dim);font-size:13.5px;transition:border-color .25s ease,background .25s ease,transform .16s var(--ease-spring);margin-bottom:16px}.dropzone svg{width:34px;height:34px;color:var(--accent);margin-bottom:4px}.dropzone strong{color:var(--text);font-size:15px;font-weight:600}.dropzone:hover{border-color:var(--border-active);background:#ffffff08}.dropzone.dragover{border-color:var(--accent);background:var(--accent-faint);transform:scale(1.015)}.field-label{display:block;font-size:12px;font-weight:600;color:var(--text-dim);margin:20px 0 10px;text-transform:uppercase;letter-spacing:.12em}.field-label:first-child{margin-top:0}textarea,input[type=text]{width:100%;background:var(--bg-soft);color:var(--text);border:1px solid var(--border);border-radius:var(--r-sm);padding:13px 14px;font:inherit;font-size:14.5px;font-weight:400;line-height:1.5;resize:vertical;transition:border-color .22s ease,box-shadow .22s ease,background .22s ease}textarea::placeholder,input[type=text]::placeholder{color:var(--text-faint)}textarea:focus,input[type=text]:focus{outline:none;border-color:var(--accent);box-shadow:var(--focus-ring);background:#ffffff05}.preview{margin-top:22px;animation:fadeIn .25s ease}.preview-title{font-size:16px;font-weight:700;margin-bottom:4px}.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}.chip{display:inline-flex;align-items:center;gap:9px;font-size:12.5px;font-weight:500;padding:7px 13px;border-radius:var(--r-pill);background:var(--bg-soft);border:1px solid var(--border);color:var(--text-dim)}.chip:before{content:"";width:8px;height:8px;border-radius:50%;flex:none;background:var(--accent-2);box-shadow:0 0 0 2px var(--accent-2-soft)}.chip b{display:inline-grid;place-items:center;min-width:22px;height:22px;padding:0 6px;box-sizing:border-box;border-radius:999px;font-weight:700;font-size:12px;color:var(--accent);background:var(--accent-soft);border:1px solid var(--accent-border);font-variant-numeric:tabular-nums}#preview-chips{margin-bottom:4px}#preview-panel #btn-copy-preview{margin-top:12px}.warnings{margin-top:12px;padding:12px 14px;border-radius:var(--r-sm);background:var(--warn-soft);border:1px solid var(--warn-border);color:var(--warn);font-size:13px;line-height:1.55}.ai-dropdown{position:relative;margin-top:12px}.ai-dropdown .chev{margin-left:auto;transition:transform .2s ease}.ai-dropdown.open .chev{transform:rotate(180deg)}#btn-paste-answer{margin-top:14px}.ai-menu{list-style:none;position:absolute;left:0;right:0;top:calc(100% + 8px);background:var(--surface-dropdown);border:1px solid var(--border);border-radius:var(--r-md);overflow:hidden;z-index:50;box-shadow:0 24px 60px var(--shadow-lg);animation:fadeIn .18s ease}.ai-menu.open-up{top:auto;bottom:calc(100% + 8px)}.ai-menu li>button{display:flex;align-items:center;gap:12px;width:100%;padding:15px 16px;font-weight:500;font-size:15px;text-align:left}.ai-menu 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.option{padding:10px 12px;font-size:13.5px;cursor:default;background:var(--bg-soft)}.type-card-example .option:hover{transform:none;box-shadow:none}.type-card-example .blank-example{display:inline-block;width:90px;vertical-align:middle;background:var(--bg-soft);border:1.5px dashed var(--border-2);border-radius:var(--r-xs);min-height:18px}@media (min-width: 640px){.type-cards{grid-template-columns:repeat(2,minmax(0,1fr))}}.segmented{display:flex;gap:4px;background:var(--bg-soft);border:1px solid var(--border);border-radius:var(--r-sm);padding:4px}.segmented button{flex:1;min-height:40px;border-radius:8px;font-size:13.5px;font-weight:500;color:var(--text-dim);transition:background .2s ease,color .2s ease}.segmented button:hover{color:var(--text)}.segmented button.active{background:var(--grad);color:var(--text-btn);box-shadow:0 1px #ffffff38 inset,var(--glow)}.theme-grid{display:flex;flex-wrap:wrap;gap:6px}.theme-grid button{display:inline-flex;align-items:center;gap:6px;padding:7px 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var(--border);border-radius:var(--r-sm);padding:14px;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:11.5px;line-height:1.6;color:var(--text-dim);white-space:pre-wrap;word-break:break-word;max-height:420px;overflow-y:auto}.fb-expl{display:block;margin-top:8px;padding-top:8px;border-top:1px solid var(--tint-fb);font-weight:400}.review-expl{display:block;margin-top:6px;color:var(--text-dim);font-style:italic}.pager{display:flex;flex-wrap:nowrap;align-items:center;justify-content:center;gap:4px;margin-top:18px;max-width:100%}.pager button{min-width:30px;height:32px;padding:0 8px;border-radius:var(--r-xs);font-size:13px;font-weight:500;background:var(--card-2);border:1px solid var(--border);color:var(--text-dim);transition:border-color .2s ease,color .2s ease,background .2s ease}.pager button:hover:not(:disabled){border-color:var(--border-active);color:var(--text)}.pager button.active{background:var(--accent);border-color:var(--accent);color:var(--text-btn);box-shadow:var(--glow)}.pager button:disabled{opacity:.45;cursor:default}.pager .pg-txt{min-width:24px;padding:0 4px}.pager .pg-dots{color:var(--text-faint);padding:0 2px}.search-wrap{position:relative;margin-bottom:14px;max-width:0;opacity:0;overflow:hidden;transition:max-width .25s ease,opacity .2s ease}.search-wrap.visible{max-width:400px;opacity:1}.search-wrap svg{position:absolute;left:14px;top:50%;transform:translateY(-50%);width:20px;height:20px;fill:none;stroke:var(--text-dim);stroke-width:2.5;pointer-events:none}.search-wrap input{width:100%;padding:13px 16px 13px 44px;font-size:15px;color:var(--text);background:var(--card);border:1px solid var(--border);border-radius:var(--r-pill);outline:none}.search-wrap input:focus{border-color:var(--accent);box-shadow:var(--focus-ring)}.no-results{text-align:center;color:var(--text-dim);padding:26px 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infinite}.spinner-sm{width:14px;height:14px;border-width:1.5px}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--border-active)}::selection{background:var(--sel-bg);color:var(--text)}@media (max-width: 899px){body:not(.in-flow) .topbar{display:none}#paste-area{max-height:40vh;min-height:160px}.set-row{flex-direction:column;align-items:stretch;gap:10px}#lang-seg{width:100%;min-width:0}#view-settings .container{padding-bottom:calc(var(--nav-h) + env(safe-area-inset-bottom) + 48px)}.dz-drag{display:none}.dz-touch{display:block;margin-top:6px;font-size:13.5px;color:var(--text-faint)}.bottomnav button{flex:1 1 0;min-width:0;padding:8px 2px;gap:3px;font-size:10.5px}}@media (min-width: 900px){body{font-size:16px}.brand{display:inline-flex}.home-brand,.topbar h1{display:none}.topnav{display:flex;margin-left:auto;gap:6px}.topnav button{padding:9px 18px;border-radius:var(--r-pill);font-size:14px;font-weight:500;color:var(--text-dim);transition:background .2s ease,color .2s ease}.topnav button:hover{color:var(--text);background:var(--card)}.topnav button.active{color:var(--text-btn);background:var(--accent-med)}.topbar-inner{max-width:none;padding:13px 32px}.bottomnav{display:none}#main{padding-bottom:56px}.container{max-width:780px;padding:32px 24px 8px}#view-ai .container{max-width:1020px}#view-new .container{max-width:850px}#view-edit .container{max-width:880px}.section-title{font-size:30px}.quiz-list{gap:12px}.quiz-item-actions{display:flex;align-items:center;gap:2px}.quiz-action{padding:9px}.search-wrap{max-width:none}#share-sheet{top:50%;bottom:auto;transform:translate(-50%,calc(-50% + 14px));opacity:0;visibility:hidden;pointer-events:none;width:min(92vw,560px);border-bottom:1px solid var(--border);border-radius:24px;padding:14px 26px 24px;box-shadow:0 28px 90px var(--shadow-lg);transition:transform .26s var(--ease-out),opacity .26s ease,visibility 0s linear .26s}#share-sheet.show{transform:translate(-50%,-50%);opacity:1;visibility:visible;pointer-events:auto;transition-delay:0s}#share-sheet .sheet-handle{display:none}#share-sheet .share-list{max-height:46vh}#cat-sheet,#install-sheet{top:50%;bottom:auto;transform:translate(-50%,calc(-50% + 14px));opacity:0;visibility:hidden;pointer-events:none;border-bottom:1px solid var(--border);border-radius:24px;box-shadow:0 28px 90px var(--shadow-lg);transition:transform .26s var(--ease-out),opacity .26s ease,visibility 0s linear .26s}#cat-sheet.show,#install-sheet.show{transform:translate(-50%,-50%);opacity:1;visibility:visible;pointer-events:auto;transition-delay:0s}#cat-sheet .sheet-handle,#install-sheet .sheet-handle{display:none}#cat-sheet{width:min(92vw,620px)}#install-sheet{width:min(92vw,480px)}.empty{padding:90px 20px}.empty-badge{width:132px;height:132px}.empty-icon{width:62px;height:62px}.data-card{background:var(--bg-soft);border-color:transparent;margin-top:34px;padding:18px 20px}.data-card h3{font-size:13.5px;color:var(--text-dim)}.data-card .data-sub{font-size:12.5px;color:var(--text-faint);margin-bottom:2px}.data-card .btn-secondary{background:var(--card)}.toast{bottom:28px}.dropzone{cursor:pointer}.new-split{display:grid;grid-template-columns:1fr auto 1fr;gap:16px;align-items:stretch;margin-bottom:4px}.split-or{flex-direction:column;margin:0}.split-or:before,.split-or:after{width:1px;height:auto;min-height:28px}.new-col{display:flex;flex-direction:column;min-width:0}.new-col .dropzone{flex:1;justify-content:center;min-height:220px;margin-bottom:0}#paste-area{flex:1 1 auto;min-height:220px}.new-actions{margin-top:12px}#view-ai .ai-desktop-grid{display:flex;flex-direction:column;gap:28px}.ai-desktop-grid .flow-step{padding-bottom:0}#view-ai .switch-row{margin-top:18px}#view-ai .field-label{margin:16px 0 8px}}.quiz-timer{font-size:12.5px;font-weight:700;padding:5px 11px;border-radius:var(--r-pill);background:var(--accent-soft);color:var(--text-accent);border:1px solid var(--accent-border);font-variant-numeric:tabular-nums}.quiz-timer.warn{background:var(--warn-soft);color:var(--warn);border-color:var(--warn-border)}.quiz-timer.bad{background:var(--bad);color:#fff;border-color:var(--bad)}#quiz-list .cat-header{display:flex;align-items:center;gap:8px;width:100%;margin:18px 0 10px;padding:0;border:0;background:transparent;cursor:pointer;font-size:12px;font-weight:600;font-family:inherit;color:var(--text-dim);text-transform:uppercase;letter-spacing:.14em;transition:color .15s var(--ease-out)}#quiz-list .cat-header:hover{color:var(--text-accent)}.cat-header .cat-name{flex:1;text-align:left;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.cat-header .badge{margin-left:0}.cat-chev{width:16px;height:16px;fill:currentColor;opacity:.7;flex:none;transition:transform .18s var(--ease-spring)}#quiz-list .cat-header:hover .cat-chev{transform:translate(2px)}.resume-card{display:flex;align-items:center;gap:10px;background:var(--accent-faint);border:1px solid var(--accent-border)}.resume-main{flex:1;min-width:0}.resume-title{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.14em;color:var(--text-accent)}.resume-sub{font-size:13px;color:var(--text-dim);margin-top:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.resume-sub strong{color:var(--text);font-weight:600}.resume-actions{display:flex;align-items:center;gap:6px;flex:none}.resume-actions .btn-sm{padding:7px 12px;font-size:12.5px}.resume-x{width:30px;height:30px;flex:none;border-radius:50%;border:1px solid var(--border);background:transparent;color:var(--text-faint);font-size:17px;line-height:1;cursor:pointer;transition:background .15s var(--ease-out),color .15s var(--ease-out)}.resume-x:hover{background:var(--accent-soft);color:var(--text-accent)}#cat-sheet{max-height:88vh;overflow-y:auto}.cat-sheet-head{display:flex;align-items:center;gap:10px;margin-bottom:6px}.cat-sheet-title{display:inline-flex;align-items:center;gap:9px;font-size:17px;font-weight:700;min-width:0}.cat-sheet-title .cat-sheet-name-txt{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.cat-sheet-head .modal-close{position:static;margin-left:auto;flex:none}.cat-sheet-count{margin:0 0 12px;font-size:12.5px;color:var(--text-dim)}.cat-sheet-switch{width:100%;margin-bottom:14px;padding:10px 12px;background:var(--card);border:1px solid var(--border);border-radius:var(--r-sm);color:var(--text);font-size:13.5px;font-family:inherit}.cat-sheet-section{padding:14px 0;border-top:1px solid var(--line)}.cat-sheet-section h4{font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.14em;color:var(--text-dim);margin:0 0 10px}.cat-sheet-section h4:not(:first-child){margin-top:4px}.cat-chart-empty,.cat-empty{color:var(--text-faint);font-size:13px;text-align:center;padding:16px 8px}.cat-scatter{width:100%;height:auto;display:block;margin-bottom:4px}.scatter-grid{stroke:var(--line);stroke-width:1;stroke-dasharray:2 3}.scatter-lab{fill:var(--text-faint);font-size:9px;font-family:inherit}.cat-best{list-style:none;margin:0;padding:0}.cat-best-row{display:flex;align-items:center;gap:10px;padding:8px 6px;border-radius:var(--r-sm)}.cat-best-row+.cat-best-row{border-top:1px solid var(--line)}.cat-best-rank{flex:none;width:22px;height:22px;border-radius:50%;background:var(--accent-soft);color:var(--text-accent);font-size:11.5px;font-weight:700;display:flex;align-items:center;justify-content:center;border:1px solid var(--accent-border)}.cat-best-name{flex:1;min-width:0;font-size:13px;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.cat-best-pct{font-weight:700;font-size:13px;font-variant-numeric:tabular-nums}.cat-best-pct.ok{color:var(--ok)}.cat-best-pct.warn{color:var(--warn)}.cat-best-pct.bad{color:var(--bad)}.cat-best-date{font-size:11.5px;color:var(--text-faint);flex:none}.cat-quiz-list{list-style:none;margin:0;padding:0}.cat-quiz-row{display:flex;align-items:center;gap:8px;padding:10px 6px;border-radius:var(--r-sm)}.cat-quiz-row+.cat-quiz-row{border-top:1px solid var(--line)}.cat-quiz-main{flex:1;min-width:0;text-align:left;background:transparent;border:0;padding:0;cursor:pointer;font-family:inherit}.cat-quiz-name{display:block;font-size:13.5px;font-weight:600;color:var(--text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.cat-quiz-meta{display:block;font-size:11.5px;color:var(--text-faint);margin-top:1px}.cat-quiz-row .quiz-action{flex:none}.cat-sheet-sub{display:flex;align-items:center;gap:8px;margin-bottom:4px}.cat-mini-title{font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.14em;color:var(--text-dim)}#cat-quick-count{margin:0}.cat-sheet-del{margin-top:4px;border-top:1px solid var(--line);padding:16px 0 2px;text-align:center}.cat-sheet-del .btn{display:flex;width:100%;align-items:center;justify-content:center}.cat-del-name{display:block;margin-top:8px;font-size:12px;color:var(--text-faint)}.cat-picker{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);z-index:101;width:min(92vw,400px);max-height:78vh;display:flex;flex-direction:column;background:var(--surface-dropdown);border:1px solid var(--border);border-radius:18px;padding:16px;box-shadow:0 24px 80px var(--shadow-sm)}.cat-picker-head{display:flex;align-items:center;margin-bottom:10px}.cat-picker-title{flex:1;font-weight:700;font-size:15px}.cat-picker-head .modal-close{position:static}.cat-picker-search{width:100%;padding:10px 12px;margin-bottom:8px;background:var(--card);border:1px solid var(--border);border-radius:var(--r-sm);color:var(--text);font-size:14px;font-family:inherit}.cat-picker-search:focus{border-color:var(--accent);box-shadow:var(--focus-ring)}.cat-picker-list{list-style:none;margin:0;padding:0;overflow-y:auto}.cat-pick-item{display:flex;align-items:center;gap:10px;width:100%;padding:11px 10px;border:0;background:transparent;cursor:pointer;font-family:inherit;font-size:14px;font-weight:600;color:var(--text);border-radius:var(--r-sm);text-align:left;transition:background .15s var(--ease-out)}.cat-pick-item:hover{background:var(--accent-soft)}.cat-pick-name{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.cat-pick-item .badge{flex:none}.daily-cat-add{width:28px;height:28px;padding:0;display:inline-flex;align-items:center;justify-content:center;font-size:16px;font-weight:700;line-height:1;border-radius:999px;background:#ffffff4d;border-color:#fff9}.daily-cat-add:hover{background:#fff;color:var(--accent)}.eq-lock{display:inline-flex;align-items:center;justify-content:center;width:30px;flex:none;color:var(--text-faint);font-size:14px}.ddown{position:relative;display:block}.ddown-btn{width:100%;display:flex;align-items:center;justify-content:space-between;gap:8px;padding:10px 12px;cursor:pointer;text-align:left;background:var(--card);color:var(--text);border:1px solid var(--border);border-radius:var(--r-sm);font-family:inherit;font-size:14px;font-weight:600;transition:border-color .18s ease,box-shadow .18s ease,background .18s ease}.ddown-btn:hover{border-color:var(--border-hover);background:var(--card-2)}.ddown.open .ddown-btn{border-color:var(--accent);box-shadow:var(--focus-ring)}.ddown-chev{flex:none;transition:transform .18s var(--ease-out);opacity:.6}.ddown.open .ddown-chev{transform:rotate(180deg)}.ddown-val{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.ddown-pop{position:absolute;z-index:80;left:0;right:0;top:calc(100% + 6px);background:var(--surface-dropdown);border:1px solid var(--border);border-radius:var(--r-sm);box-shadow:0 22px 60px -24px var(--shadow-lg);overflow:auto;max-height:260px;padding:6px;display:none}.ddown.open{z-index:90;position:relative}.ddown.open .ddown-pop{display:block}.ddown-item{display:flex;align-items:center;gap:8px;width:100%;padding:9px 10px;border:0;background:transparent;cursor:pointer;font-family:inherit;font-size:14px;font-weight:600;color:var(--text);border-radius:var(--r-sm);text-align:left;transition:background .13s var(--ease-out)}.ddown-item:hover{background:var(--accent-soft)}.ddown-item.selected{color:var(--text-accent, var(--accent))}.ddown-check{width:14px;flex:none;font-weight:700;color:var(--accent)}.ddown-native{display:none!important}.card:has(.ddown.open){position:relative;z-index:90}.cat-sheet .ddown{width:100%}.order-instr{margin:10px 0 12px;color:var(--text-meta);font-size:13.5px}ul.options.order-list{padding-left:0}.options.order-list .option{display:flex;align-items:center;gap:12px;width:100%;text-align:left;padding:12px 14px;border-radius:var(--r-sm);background:var(--card);border:1px solid var(--border);cursor:grab;user-select:none}.options.order-list .option.selected{border-color:var(--accent);background:var(--accent-soft);box-shadow:inset 0 0 0 1px var(--accent-border)}.options.order-list .option .opt-key{flex:none;font-weight:700;width:28px;height:28px;min-width:28px;border-radius:50%;border:1.5px solid var(--border-2);background:transparent;color:var(--text-dim);display:inline-flex;align-items:center;justify-content:center;transition:background .18s ease,border-color .18s ease,color .18s ease}.options.order-list .option.selected .opt-key{background:var(--accent);border-color:var(--accent);color:var(--text-btn)}.options.order-list .option .opt-key i{font-style:normal}.options.order-list .option.selected .opt-key i{display:none}.opt-seq{display:inline-flex;align-items:center;justify-content:center;min-width:26px;height:26px;padding:0 6px;border-radius:999px;background:var(--accent);color:var(--text-btn);font-weight:700;font-size:13px}.option.locked{cursor:default}.option.locked.correct,.option.locked.missed{border-color:var(--ok);background:var(--ok-soft, rgba(46,204,113,.12))}.option.locked.wrong{border-color:var(--bad);background:var(--bad-soft, rgba(231,76,60,.1))}button.order-item:disabled{opacity:1}.btn-manual{margin-top:10px}.eq-empty{padding:18px;text-align:center;color:var(--text-meta);font-size:14px;border:1px dashed var(--border);border-radius:var(--r-md)}.eq-opt .eq-pos{display:inline-flex;align-items:center;justify-content:center;min-width:24px;height:24px;border-radius:999px;flex:none;background:var(--accent-soft);color:var(--text-accent, var(--accent));font-size:12px;font-weight:700}.eq-opt .eq-pos.wrong{background:var(--bad-soft, rgba(231,76,60,.12));color:var(--bad, #e74c3c)}.eq-opt .eq-opt-arrow{width:28px;height:28px;flex:none;padding:0;display:inline-flex;align-items:center;justify-content:center;border-radius:var(--r-xs);color:var(--text-faint);cursor:pointer;background:transparent;border:0}.eq-opt .eq-opt-arrow:hover:not(:disabled){color:var(--accent);background:var(--accent-soft)}.eq-opt .eq-opt-arrow:disabled{opacity:.35;cursor:not-allowed}.review-nav{display:flex;justify-content:flex-end;gap:8px;margin:4px 0 10px}.stats-cat-picker{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}.stats-cat-picker .chip{padding:7px 12px;border-radius:var(--r-pill);cursor:pointer;background:var(--card-2);color:var(--text-dim);border:1px solid var(--border);font-size:12.5px;font-weight:600;transition:background .15s ease,color .15s ease,border-color .15s ease}.stats-cat-picker .chip:hover{color:var(--text);border-color:var(--border-hover)}.badge.time{background:var(--card-2);color:var(--text-dim);font-size:11px}.badge.time.ok{background:var(--ok-soft);color:var(--ok);border-color:var(--ok-border)}.badge.time.warn{background:var(--warn-soft);color:var(--warn);border-color:var(--warn-border)}.badge.time.bad{background:var(--bad-soft);color:var(--bad);border-color:var(--bad-border)}.time-badge{font-weight:700}.time-badge.ok{color:var(--ok)}.time-badge.warn{color:var(--warn)}.time-badge.bad{color:var(--bad)}.cat-best-time{flex:none;color:var(--text-dim);font-size:11.5px}.cat-best-row .cat-best-date{color:var(--text-dim);font-size:11.5px}