:root{--bg: #0a0e27;--surface: #131736;--surface-2: #1b2147;--accent: #00c9a7;--accent-dim: #0a8a76;--text: #e4e7f1;--text-dim: #8a91b8;--danger: #ff5757;--warning: #ffb830;--border: #2a3166;--radius: 14px;--radius-sm: 8px;--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-6: 24px;--space-8: 32px;--shadow-sm: 0 2px 8px rgba(0, 0, 0, .25);--shadow-md: 0 8px 24px rgba(0, 0, 0, .35);--font-ui: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;--font-num: "SF Mono", ui-monospace, "Roboto Mono", monospace;--ease: cubic-bezier(.22, 1, .36, 1);--press-scale: .96;--t-fast: .12s;--t-base: .2s}.fk-num{font-family:var(--font-num);font-variant-numeric:tabular-nums;letter-spacing:.02em}.fk-btn{appearance:none;border:1px solid var(--border);background:var(--surface);color:var(--text);border-radius:var(--radius-sm);padding:var(--space-3) var(--space-4);font-family:var(--font-ui);font-weight:600;cursor:pointer;transition:transform var(--t-fast) var(--ease),background var(--t-fast) var(--ease),border-color var(--t-fast) var(--ease)}.fk-btn:active{transform:scale(var(--press-scale))}.fk-btn--primary{background:var(--accent);border-color:var(--accent);color:#03150f}.fk-btn--primary:active{background:var(--accent-dim)}@media (prefers-reduced-motion: reduce){.fk-btn{transition:none}}*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body{height:100%;background:var(--bg);color:var(--text);font-family:var(--font-ui);overflow:hidden;overscroll-behavior:none;touch-action:none;user-select:none;-webkit-user-select:none}#app{position:fixed;inset:0;display:flex;align-items:center;justify-content:center}#game{display:block;touch-action:none}.hud{position:fixed;top:0;left:0;right:0;padding:max(env(safe-area-inset-top),12px) 14px 8px;display:flex;flex-direction:column;gap:8px;pointer-events:none;z-index:10}.hud-row{display:flex;align-items:center;justify-content:space-between;gap:10px}.hud-task{display:flex;align-items:center;gap:8px;font-weight:700;font-size:15px}.hud-task .glyph{font-size:22px;line-height:1}.hud-lvl{color:var(--text-dim);font-size:12px;font-weight:600}.hud-right{display:flex;align-items:center;gap:12px;font-variant-numeric:tabular-nums}.hud-time{font-weight:700;font-size:16px;color:var(--text)}.hud-time.low{color:var(--danger)}.hud-score{font-size:14px;color:var(--accent);font-weight:700}.bar{position:relative;height:12px;border-radius:999px;background:#ffffff0f;overflow:hidden;border:1px solid var(--border)}.bar-fill{position:absolute;inset:0;width:0%;border-radius:999px;background:linear-gradient(90deg,var(--accent-dim),var(--accent));transition:width .14s var(--ease)}.bar-pct{position:absolute;right:8px;top:50%;transform:translateY(-50%);font-size:10px;font-weight:700;color:#03150f;font-variant-numeric:tabular-nums}.overlay{position:fixed;inset:0;z-index:50;display:flex;align-items:center;justify-content:center;padding:20px;background:#060918b8;backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px)}.overlay[hidden]{display:none}.card{width:100%;max-width:360px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-md);padding:22px 20px;text-align:center;animation:pop .22s var(--ease);max-height:90vh;overflow-y:auto}@keyframes pop{0%{transform:scale(.92);opacity:0}to{transform:scale(1);opacity:1}}.card h1{font-size:26px;letter-spacing:.5px;margin-bottom:4px}.card .sub{color:var(--text-dim);font-size:13px;line-height:1.55;margin-bottom:16px}.card .big-glyph{font-size:56px;line-height:1;margin:6px 0 10px}.card .stat{font-size:14px;color:var(--text);margin:2px 0;font-variant-numeric:tabular-nums}.card .stat b{color:var(--accent)}.btn{appearance:none;width:100%;border:1px solid var(--border);background:var(--surface-2);color:var(--text);border-radius:var(--radius-sm);padding:13px 16px;font-family:var(--font-ui);font-weight:700;font-size:15px;cursor:pointer;margin-top:10px;transition:transform var(--t-fast) var(--ease),background var(--t-fast) var(--ease)}.btn:active{transform:scale(.96)}.btn--primary{background:var(--accent);border-color:var(--accent);color:#03150f}.btn--primary:active{background:var(--accent-dim)}.btn--gold{background:linear-gradient(180deg,#ffd86b,#f0a93a);border-color:#f0a93a;color:#2a1c02}.btn--ghost{background:transparent}.btn .tag{display:inline-block;font-size:10px;font-weight:800;padding:1px 6px;border-radius:6px;background:#00000040;margin-left:6px;vertical-align:middle}.howto{display:flex;flex-direction:column;gap:10px;margin:14px 0 6px;text-align:left}.howto-step{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--text)}.howto-step .num{flex:0 0 26px;width:26px;height:26px;border-radius:50%;background:var(--accent);color:#03150f;font-weight:800;display:grid;place-items:center;font-size:13px}.howto-step .demo{flex:0 0 46px;font-size:24px;text-align:center}.skins{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin:8px 0 4px}.skin{border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--surface-2);padding:12px 8px;cursor:pointer;text-align:center;font-size:12px;font-weight:700;transition:transform var(--t-fast) var(--ease),border-color var(--t-fast)}.skin:active{transform:scale(.95)}.skin.selected{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent) inset}.skin.locked{opacity:.45}.skin .swatch{height:30px;border-radius:6px;margin-bottom:6px}.toast{position:fixed;top:max(env(safe-area-inset-top),12px);left:50%;transform:translate(-50%) translateY(-20px);background:var(--surface-2);border:1px solid var(--border);border-radius:999px;padding:8px 16px;font-size:13px;font-weight:700;color:var(--text);z-index:60;opacity:0;pointer-events:none;transition:opacity .22s var(--ease),transform .22s var(--ease);white-space:nowrap}.toast.show{opacity:1;transform:translate(-50%) translateY(0)}.settings{position:fixed;top:max(env(safe-area-inset-top),10px);right:10px;display:flex;gap:6px;z-index:40}.icon-btn{width:36px;height:36px;border-radius:50%;border:1px solid var(--border);background:#131736b3;color:var(--text);font-size:16px;display:grid;place-items:center;cursor:pointer}.icon-btn:active{transform:scale(.92)}.icon-btn.off{color:var(--text-dim);opacity:.6}@media (prefers-reduced-motion: reduce){.card{animation:none}.bar-fill,.btn,.toast{transition:none}}