:root{--bg:#f8fafc;--bg-elev:#fff;--fg:#0f172a;--fg-muted:#475569;--fg-subtle:#64748b;--border:#e2e8f0;--border-strong:#cbd5e1;--accent:#1e3a8a;--accent-hover:#1e40af;--focus:#2563eb;--shadow-sm:0 1px 2px #0f172a0f, 0 1px 3px #0f172a0a;--shadow-md:0 4px 12px #0f172a14, 0 2px 4px #0f172a0a;--shadow-lg:0 12px 32px #0f172a1f, 0 4px 8px #0f172a0d;--radius-sm:8px;--radius-md:14px;--radius-lg:20px;--tone-emerald-bg:#ecfdf5;--tone-emerald-fg:#047857;--tone-amber-bg:#fffbeb;--tone-amber-fg:#b45309;--tone-grass-bg:#f0fdf4;--tone-grass-fg:#15803d;--tone-sky-bg:#eff6ff;--tone-sky-fg:#1d4ed8;--tone-rose-bg:#fff1f2;--tone-rose-fg:#be123c;--tone-violet-bg:#f5f3ff;--tone-violet-fg:#6d28d9;--tone-indigo-bg:#eef2ff;--tone-indigo-fg:#4338ca;--ok-fg:#047857;--ok-bg:#d1fae5;--err-fg:#be123c;--err-bg:#ffe4e6;--font-sans:-apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Helvetica, Arial, sans-serif;--font-mono:ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace}[data-theme=dark]{--bg:#0b1120;--bg-elev:#131b2e;--fg:#e2e8f0;--fg-muted:#94a3b8;--fg-subtle:#64748b;--border:#1e293b;--border-strong:#334155;--accent:#93c5fd;--accent-hover:#bfdbfe;--shadow-sm:0 1px 2px #0006;--shadow-md:0 4px 12px #0006;--shadow-lg:0 12px 32px #00000080;--tone-emerald-bg:#022c22;--tone-emerald-fg:#6ee7b7;--tone-amber-bg:#2a1a04;--tone-amber-fg:#fcd34d;--tone-grass-bg:#052e16;--tone-grass-fg:#86efac;--tone-sky-bg:#0c1e3c;--tone-sky-fg:#93c5fd;--tone-rose-bg:#2a0a13;--tone-rose-fg:#fda4af;--tone-violet-bg:#1e1b3a;--tone-violet-fg:#c4b5fd;--tone-indigo-bg:#1e1b4b;--tone-indigo-fg:#a5b4fc;--ok-fg:#6ee7b7;--ok-bg:#042f1f;--err-fg:#fda4af;--err-bg:#2a0a13}.topbar{justify-content:space-between;align-items:center;gap:16px;width:100%;padding:12px clamp(14px,3vw,24px);display:flex}.brand{color:var(--fg);letter-spacing:-.01em;white-space:nowrap;align-items:center;gap:10px;font-size:15px;font-weight:700;text-decoration:none;display:inline-flex}.brand:hover{color:var(--accent);text-decoration:none}.brand-mark{color:var(--accent);display:inline-flex}.brand-text{line-height:1}.brand-sep{color:var(--fg-subtle);margin:0 2px;font-weight:500}.brand-game{color:var(--fg-muted);white-space:nowrap;font-weight:600}.icon-button{background:var(--bg-elev);border:1px solid var(--border);cursor:pointer;width:40px;height:40px;color:var(--fg-muted);border-radius:999px;justify-content:center;align-items:center;padding:0;transition:background .15s,color .15s,border-color .15s,transform .15s;display:inline-flex}.icon-button:hover{color:var(--fg);border-color:var(--border-strong);transform:translateY(-1px)}.icon-button:focus-visible{outline:2px solid var(--focus);outline-offset:3px}[data-theme=light] .icon-moon,:root:not([data-theme=dark]) .icon-moon,[data-theme=dark] .icon-sun{display:none}.modal-backdrop{z-index:100;overscroll-behavior:contain;background:#0f172a8c;justify-content:center;align-items:center;padding:16px;display:flex;position:fixed;inset:0}.modal-backdrop[hidden],.modal-backdrop.hidden{display:none}.modal{background:var(--bg-elev);color:var(--fg);border:1px solid var(--border);border-radius:var(--radius-md);box-shadow:var(--shadow-lg);width:100%;max-width:560px;max-height:calc(100vh - 32px);font-family:var(--font-sans);padding:24px;position:relative;overflow-y:auto}.modal h2{letter-spacing:-.01em;color:var(--fg);margin:0 0 8px;font-size:1.25rem}.modal p{color:var(--fg-muted);line-height:1.55}.modal-close-x{width:32px;height:32px;color:var(--fg-muted);cursor:pointer;background:0 0;border:none;border-radius:999px;font-size:22px;line-height:1;transition:background .15s,color .15s;position:absolute;top:12px;right:12px}.modal-close-x:hover{background:var(--bg);color:var(--fg)}.modal-close-x:focus-visible{outline:2px solid var(--focus);outline-offset:2px}.arcade-footer{color:var(--fg-subtle);text-align:center;border-top:1px solid var(--border);background:var(--bg);font-size:.9rem;font-family:var(--font-sans);padding:16px clamp(14px,3vw,24px)}.arcade-footer a{color:var(--fg-muted);font-weight:600;text-decoration:none}.arcade-footer a:hover{color:var(--accent);text-decoration:underline}*{box-sizing:border-box}html,body{background:var(--bg);color:var(--fg);font-family:var(--font-sans,system-ui, sans-serif);min-height:100vh;margin:0}.container{max-width:540px;margin:0 auto;padding:16px 16px 64px}.game-head{border-bottom:1px solid var(--border);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;margin-bottom:16px;padding-bottom:12px;display:flex}.progress-line{align-items:baseline;gap:8px;display:flex}.progress-label{letter-spacing:.14em;text-transform:uppercase;color:var(--fg-subtle);font-size:10px;font-weight:600}.progress-count{color:var(--fg-muted);font-variant-numeric:tabular-nums;font-size:14px}.progress-count #round-num{color:var(--accent);font-weight:700}.scorebox{align-items:center;gap:16px;display:flex}.score-main,.stat{flex-direction:column;align-items:flex-end;line-height:1.1;display:flex}.score-label,.stat-label{letter-spacing:.12em;text-transform:uppercase;color:var(--fg-subtle);font-size:10px}.score-value{color:var(--accent);font-variant-numeric:tabular-nums;font-size:24px;font-weight:700}.stat-value{color:var(--fg-muted);font-variant-numeric:tabular-nums;font-size:15px}.prompt{color:var(--fg);margin:0 0 6px;font-size:15px;line-height:1.5}.hint-cat{color:var(--accent);margin:0 0 18px;font-size:13px;font-weight:600}.pads{grid-template-columns:1fr 1fr;gap:14px;margin-bottom:18px;display:grid}.pad{aspect-ratio:16/10;background:var(--bg-elev);border:2px solid var(--border);border-radius:var(--radius-md,12px);color:var(--fg);cursor:pointer;flex-direction:column;justify-content:center;align-items:center;gap:6px;font-family:inherit;transition:border-color .12s,transform 80ms,background .12s;display:flex;position:relative}.pad:hover:not(:disabled){border-color:var(--accent)}.pad:active:not(:disabled){transform:translateY(1px)}.pad-letter{color:var(--accent);font-size:28px;font-weight:800}.pad-icon{color:var(--fg-subtle);font-size:16px}.pad.selected{border-color:var(--accent);box-shadow:0 0 0 2px var(--accent) inset}.pad.playing{background:color-mix(in srgb, var(--accent) 22%, var(--bg-elev))}.pad.heard .pad-icon{color:var(--accent);font-size:14px}.pad.graded.correct{border-color:#16a34a;box-shadow:inset 0 0 0 2px #16a34a}.pad.graded.correct .pad-letter{color:#16a34a}.pad.graded.wrong{border-color:#dc2626;box-shadow:inset 0 0 0 2px #dc2626}.pad.graded.wrong .pad-letter{color:#dc2626}[data-theme=dark] .pad.graded.correct{border-color:#4ade80}[data-theme=dark] .pad.graded.correct .pad-letter{color:#4ade80}.controls{flex-wrap:wrap;align-items:center;gap:14px;margin-bottom:12px;display:flex}.btn{background:var(--accent);color:#fff;cursor:pointer;border:none;border-radius:10px;padding:13px 22px;font-family:inherit;font-size:15px;font-weight:700;transition:filter .12s,transform 80ms}.btn:hover:not(:disabled){filter:brightness(1.15)}.btn:active:not(:disabled){transform:translateY(1px)}.btn:disabled{opacity:.4;cursor:not-allowed}.btn.secondary{color:var(--fg-muted);border:1px solid var(--border);background:0 0}.btn.secondary:hover:not(:disabled){color:var(--accent);border-color:var(--accent)}#pick-btn{flex:1;min-width:180px}.headphones{color:var(--fg-subtle);font-size:12px}#next-holder{margin-bottom:12px}#next-holder .btn{width:100%}.feedback{min-height:1.4em;margin-bottom:10px;font-size:15px}.feedback.good{color:#16a34a;font-weight:700}.feedback.bad{color:#dc2626;font-weight:600}[data-theme=dark] .feedback.good{color:#4ade80}[data-theme=dark] .feedback.bad{color:#f87171}.results-card{text-align:center;background:var(--bg-elev);border:1px solid var(--accent);border-radius:var(--radius-md,12px);box-shadow:var(--shadow-md);margin-bottom:16px;padding:22px}.results-score{color:var(--accent);font-variant-numeric:tabular-nums;font-size:48px;font-weight:800;line-height:1}.results-score .of{color:var(--fg-subtle);font-size:18px;font-weight:600}.results-sub{color:var(--fg-muted);margin:8px 0 16px;font-size:13px}.actions{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;display:flex}.mode-toggle{border:1px solid var(--border);border-radius:8px;display:inline-flex;overflow:hidden}.mode-btn{color:var(--fg-muted);cursor:pointer;background:0 0;border:none;padding:8px 16px;font-family:inherit;font-size:13px;font-weight:600}.mode-btn.active{background:var(--accent);color:#fff}.pads-loading{text-align:center;color:var(--fg-muted);grid-column:1/-1;margin:0;padding:32px 0;font-size:14px}.pads-error{color:#dc2626}[data-theme=dark] .pads-error{color:#f87171}@media (width<=480px){.container{padding:12px 12px 48px}.pad-letter{font-size:24px}}