:root{--bg: #0f1115;--bg-elev: #161922;--bg-elev-2: #1f2330;--border: #262b39;--border-soft: #1e2230;--text: #e8eaf0;--text-dim: #9097a7;--text-mute: #5a6172;--accent: #ffd166;--accent-ink: #1a1500;--good: #6ee7a8;--bad: #ff7a8a;--info: #82aaff;--radius: 14px;--radius-sm: 8px;--shadow: 0 10px 30px rgba(0, 0, 0, .35);--shadow-soft: 0 4px 16px rgba(0, 0, 0, .25);--t-fast: .12s cubic-bezier(.2, .8, .2, 1);--t-base: .22s cubic-bezier(.2, .8, .2, 1)}*{box-sizing:border-box}html,body{margin:0;padding:0;height:100%;background:var(--bg);color:var(--text);font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;font-size:15px;line-height:1.5;-webkit-font-smoothing:antialiased}body{background:radial-gradient(1200px 800px at 20% -10%,rgba(255,209,102,.06),transparent 60%),radial-gradient(900px 600px at 110% 110%,rgba(130,170,255,.05),transparent 60%),var(--bg);min-height:100vh}#app{max-width:1100px;margin:0 auto;padding:28px 24px 80px}::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border);border-radius:8px}::-webkit-scrollbar-thumb:hover{background:var(--bg-elev-2)}::selection{background:var(--accent);color:var(--accent-ink)}:focus{outline:none}:focus-visible{outline:2px solid 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6px;border-radius:4px;background:#ffffff12;border:1px solid var(--border);font-family:JetBrains Mono,ui-monospace,monospace;font-size:11px;color:var(--text-dim);margin-left:6px}.panel{background:var(--bg-elev);border:1px solid var(--border-soft);border-radius:var(--radius);padding:20px}.panel-glow{box-shadow:var(--shadow-soft)}.input,.textarea{width:100%;background:var(--bg);border:1px solid var(--border);color:var(--text);padding:10px 12px;border-radius:10px;font-family:inherit;font-size:14px;transition:border-color var(--t-fast),background var(--t-fast)}.input:focus,.textarea:focus{border-color:var(--accent);background:var(--bg-elev)}.textarea{min-height:200px;resize:vertical;font-family:JetBrains 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var(--t-base)}.deck-card-new{border:1px dashed var(--border);background:transparent;display:grid;place-items:center;color:var(--text-dim);font-size:14px}.deck-card-new:hover{border-color:var(--accent);color:var(--accent)}.mode-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:12px}.mode-card{background:var(--bg-elev);border:1px solid var(--border-soft);border-radius:var(--radius);padding:16px;cursor:pointer;transition:transform var(--t-fast),border-color var(--t-fast);display:flex;flex-direction:column;gap:6px}.mode-card:hover{transform:translateY(-2px);border-color:var(--accent)}.mode-card-icon{font-size:22px;margin-bottom:4px}.mode-card-title{font-weight:600;font-size:15px}.mode-card-desc{font-size:12px;color:var(--text-dim);line-height:1.4}.fc-stage{display:flex;flex-direction:column;align-items:center;gap:24px;padding:24px 0}.fc-counter{font-size:13px;color:var(--text-dim);letter-spacing:.04em}.fc-card{width:min(100%,640px);aspect-ratio:8 / 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var(--border-soft);display:grid;place-items:center;padding:32px;text-align:center;font-family:Fraunces,serif;font-size:32px;font-weight:500;letter-spacing:-.02em;backface-visibility:hidden;box-shadow:var(--shadow)}.fc-face-back{transform:rotateY(180deg);background:linear-gradient(160deg,var(--bg-elev-2),var(--bg-elev));border-color:var(--border)}.fc-face-label{position:absolute;top:16px;left:20px;font-family:Inter,sans-serif;font-size:11px;font-weight:500;color:var(--text-mute);letter-spacing:.1em;text-transform:uppercase}.fc-controls{display:flex;gap:12px;flex-wrap:wrap;justify-content:center}@media (max-width: 480px){.fc-controls{width:100%}.fc-controls .btn{flex:1;justify-content:center}}.fc-hint{font-size:12px;color:var(--text-mute)}.mc-prompt{font-family:Fraunces,serif;font-size:30px;font-weight:500;text-align:center;padding:36px 24px;background:var(--bg-elev);border:1px solid var(--border-soft);border-radius:16px}.mc-options{display:grid;grid-template-columns:1fr 1fr;gap:10px}@media (max-width: 600px){.mc-options{grid-template-columns:1fr}}.mc-option{text-align:left;background:var(--bg-elev);border:1px solid var(--border-soft);color:var(--text);padding:14px 16px;border-radius:12px;font-size:15px;font-family:inherit;cursor:pointer;transition:all var(--t-fast);display:flex;align-items:center;gap:12px}.mc-option:hover:not(:disabled){border-color:var(--accent);background:var(--bg-elev-2)}.mc-option:disabled{cursor:default}.mc-option.correct{border-color:var(--good);background:#6ee7a81a;color:var(--good)}.mc-option.wrong{border-color:var(--bad);background:#ff7a8a1a;color:var(--bad)}.mc-key{display:inline-grid;place-items:center;width:22px;height:22px;border-radius:6px;background:var(--bg);border:1px solid var(--border);font-size:11px;font-weight:600;color:var(--text-dim);flex-shrink:0}.write-prompt{font-family:Fraunces,serif;font-size:32px;text-align:center;padding:30px 20px;background:var(--bg-elev);border:1px solid var(--border-soft);border-radius:16px}.write-input-wrap{display:flex;flex-direction:column;gap:8px}.write-input{width:100%;background:var(--bg-elev);border:1px solid var(--border);color:var(--text);padding:16px 18px;border-radius:14px;font-family:Fraunces,serif;font-size:22px;font-weight:500;text-align:center;transition:border-color var(--t-fast)}.write-input:focus{border-color:var(--accent)}.write-input.correct{border-color:var(--good);color:var(--good)}.write-input.wrong{border-color:var(--bad);color:var(--bad)}.write-feedback{text-align:center;font-size:14px;color:var(--text-dim);min-height:20px}.write-feedback strong{color:var(--good)}.match-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}@media (max-width: 600px){.match-grid{grid-template-columns:repeat(2,1fr)}}.match-tile{background:var(--bg-elev);border:1px solid var(--border-soft);color:var(--text);padding:16px 12px;border-radius:12px;font-family:inherit;font-size:14px;line-height:1.35;cursor:pointer;min-height:78px;display:grid;place-items:center;text-align:center;transition:transform var(--t-fast),background var(--t-fast),border-color var(--t-fast)}.match-tile:hover:not(:disabled){border-color:var(--accent);background:var(--bg-elev-2)}.match-tile.selected{border-color:var(--accent);background:#ffd1661a}.match-tile.matched{opacity:0;pointer-events:none;transform:scale(.9)}.match-tile.flash-correct{animation:flashGood .35s ease}.match-tile.flash-wrong{animation:flashBad .35s ease}@keyframes flashGood{0%,to{border-color:var(--border-soft)}50%{border-color:var(--good);background:#6ee7a82e}}@keyframes flashBad{0%,to{border-color:var(--border-soft)}20%{transform:translate(-4px)}40%{transform:translate(4px)}60%{transform:translate(-3px);border-color:var(--bad);background:#ff7a8a1f}80%{transform:translate(2px)}}.match-timer{font-family:JetBrains Mono,monospace;font-size:28px;color:var(--accent);letter-spacing:.04em}.banner{background:var(--bg-elev);border:1px solid var(--border-soft);border-radius:12px;padding:14px 18px;display:flex;align-items:center;gap:12px}.banner-success{border-color:var(--good);background:#6ee7a814}.banner-error{border-color:var(--bad);background:#ff7a8a14}.pill{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:100px;background:var(--bg-elev-2);border:1px solid var(--border-soft);font-size:12px;color:var(--text-dim)}.pill-good{color:var(--good);border-color:#6ee7a84d}.pill-bad{color:var(--bad);border-color:#ff7a8a4d}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0000008c;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:grid;place-items:center;z-index:100;animation:fadeIn .15s ease}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.modal{background:var(--bg-elev);border:1px solid var(--border);border-radius:16px;padding:24px;width:min(90vw,520px);box-shadow:var(--shadow)}.muted{color:var(--text-dim)}.tiny{font-size:12px}.center{text-align:center}.spacer{flex:1}.empty{text-align:center;color:var(--text-dim);padding:60px 20px}.empty h2{color:var(--text);margin-bottom:10px}.score-big{font-family:Fraunces,serif;font-size:56px;font-weight:700;letter-spacing:-.03em;color:var(--accent)}.result{text-align:center;padding:40px 24px}.result-emoji{font-size:48px;margin-bottom:12px}.shake{animation:shake .38s ease}@keyframes shake{0%,to{transform:translate(0)}25%{transform:translate(-6px)}50%{transform:translate(6px)}75%{transform:translate(-4px)}}.speaker-btn{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:999px;border:1px solid rgba(255,255,255,.12);background:#ffffff0a;color:var(--text-dim);cursor:pointer;transition:background .12s ease,color .12s ease,border-color .12s ease,transform .12s ease;padding:0}.speaker-btn:hover{background:#ffd1661f;color:var(--accent);border-color:#ffd16659}.speaker-btn:active{transform:scale(.94)}.speaker-btn.loading{color:var(--accent);border-color:#ffd16680;animation:speaker-spin 1s linear infinite}.speaker-btn.playing{color:var(--accent);border-color:#ffd166b3;background:#ffd1662e;animation:speaker-pulse 1.2s ease-in-out infinite}.speaker-btn.error{color:var(--bad);border-color:var(--bad)}@keyframes speaker-spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@keyframes speaker-pulse{0%,to{transform:scale(1)}50%{transform:scale(1.08)}}.speaker-btn svg{display:block}.panel .speaker-btn,.speaker-btn-sm{width:28px;height:28px}.panel .speaker-btn svg,.speaker-btn-sm svg{width:14px;height:14px}.write-feedback{display:inline-flex;align-items:center;gap:10px}.fc-card{position:relative}.fc-card .speaker-btn{position:absolute;bottom:12px;right:12px;z-index:3}.audio-toolbar{display:flex;gap:8px;align-items:center;margin-top:12px}.audio-toolbar .speaker-label{font-size:12px;color:var(--text-dim)}.mc-prompt-row{display:flex;align-items:center;gap:14px;justify-content:center}.mc-prompt-row .mc-prompt{margin:0}.mc-prompt-row .speaker-btn{flex-shrink:0}.write-prompt-row{display:flex;align-items:center;gap:14px;justify-content:center;margin-bottom:8px}.match-toolbar{display:flex;justify-content:flex-end;gap:8px;margin-bottom:12px}.card-row{display:grid;grid-template-columns:32px 1fr auto 1fr auto auto;column-gap:10px;align-items:center}.card-row-front-audio,.card-row-back-audio{display:inline-flex}.card-row-back{padding-left:16px}.card-row-stats{padding-left:12px}@media (max-width: 600px){.card-row{grid-template-columns:32px 1fr auto auto;grid-template-areas:"idx front frontAudio stats" "idx back backAudio stats";row-gap:6px}.card-row-idx{grid-area:idx;align-self:center}.card-row-front{grid-area:front}.card-row-front-audio{grid-area:frontAudio}.card-row-back{grid-area:back}.card-row-back-audio{grid-area:backAudio}.card-row-stats{grid-area:stats;align-self:center;padding-left:6px}}