: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}}*{box-sizing:border-box;margin:0;padding:0}html,body{height:100dvh;background:var(--bg);color:var(--text);font-family:var(--font-ui);font-variant-numeric:tabular-nums;overflow:hidden;touch-action:none;-webkit-tap-highlight-color:transparent;-webkit-user-select:none;user-select:none}#app{position:relative;width:100%;max-width:480px;height:100dvh;margin:0 auto}#game{display:block;width:100%;height:100%;touch-action:none}#hud{position:absolute;inset:0;pointer-events:none}.hud-top{position:absolute;top:calc(env(safe-area-inset-top) + 14px);left:0;right:0;display:flex;align-items:flex-start;justify-content:space-between;padding:0 18px}.hud-score{display:flex;flex-direction:column;gap:2px}.hud-score .lbl{font-size:11px;letter-spacing:2px;color:var(--text-dim);text-transform:uppercase}.hud-score .val{font-family:var(--font-num);font-size:34px;font-weight:700;line-height:1;color:var(--text);text-shadow:0 0 18px rgba(0,201,167,.35)}.hud-right{display:flex;flex-direction:column;align-items:flex-end;gap:6px}.hud-lives{display:flex;gap:6px}.life{width:12px;height:12px;border-radius:50%;background:var(--accent);box-shadow:0 0 10px #00c9a799;transition:transform .14s var(--ease),background .2s}.life.lost{background:#2a3166;box-shadow:none;transform:scale(.7)}.hud-best{font-size:12px;color:var(--text-dim);font-family:var(--font-num)}.hud-chain{position:absolute;top:calc(env(safe-area-inset-top) + 70px);left:0;right:0;text-align:center;font-family:var(--font-num);font-weight:800;letter-spacing:1px;color:var(--warning);text-shadow:0 0 22px rgba(255,184,48,.5);opacity:0;transition:opacity .2s}.hud-chain.on{opacity:1}.hud-settings{position:absolute;bottom:calc(env(safe-area-inset-bottom) + 14px);right:14px;pointer-events:auto;width:40px;height:40px;border-radius:50%;background:#1b2147b3;border:1px solid var(--border);color:var(--text-dim);font-size:18px;display:flex;align-items:center;justify-content:center;backdrop-filter:blur(6px);transition:transform var(--t-fast) var(--ease)}.hud-settings:active{transform:scale(.9)}.overlay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;padding:24px;background:#070a1cb8;backdrop-filter:blur(10px);z-index:10;opacity:0;transition:opacity var(--t-base) var(--ease);pointer-events:none}.overlay.show{opacity:1;pointer-events:auto}.card{width:100%;max-width:360px;background:linear-gradient(160deg,var(--surface) 0%,#0e1230 100%);border:1px solid var(--border);border-radius:20px;padding:26px 22px;box-shadow:var(--shadow-md),0 0 60px #00c9a714;transform:translateY(14px) scale(.97);transition:transform var(--t-base) var(--ease);text-align:center}.overlay.show .card{transform:translateY(0) scale(1)}.card h1{font-size:30px;font-weight:800;letter-spacing:4px;margin-bottom:4px;background:linear-gradient(120deg,#5fffd0,var(--accent));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.card .kanji{font-size:64px;font-weight:800;color:var(--accent);line-height:1;text-shadow:0 0 40px rgba(0,201,167,.45);margin-bottom:8px}.card .sub{font-size:13px;color:var(--text-dim);line-height:1.7;margin-bottom:20px}.card .sub b{color:var(--text);font-weight:700}.card .sub .hi{color:var(--accent);font-weight:700}.stat-row{display:flex;gap:10px;margin:16px 0}.stat{flex:1;background:#0a0e2780;border:1px solid var(--border);border-radius:12px;padding:12px 8px}.stat .n{font-family:var(--font-num);font-size:26px;font-weight:800;color:var(--text);line-height:1}.stat .n.gold{color:var(--warning)}.stat .n.accent{color:var(--accent)}.stat .k{font-size:10px;letter-spacing:1px;color:var(--text-dim);text-transform:uppercase;margin-top:5px}.btn{display:block;width:100%;padding:15px;border:none;border-radius:14px;font-family:var(--font-ui);font-size:16px;font-weight:700;color:#04201b;background:linear-gradient(135deg,#5fffd0,var(--accent));cursor:pointer;transition:transform var(--t-fast) var(--ease),filter var(--t-fast);margin-top:10px;box-shadow:0 6px 20px #00c9a74d}.btn:active{transform:scale(var(--press-scale));filter:brightness(1.08)}.btn.ghost{background:#1b214799;color:var(--text-dim);border:1px solid var(--border);box-shadow:none;font-size:14px}.btn.gold{background:linear-gradient(135deg,#ffd571,var(--warning));color:#2a1c00;box-shadow:0 6px 20px #ffb8304d}.btn.danger-ghost{background:transparent;color:var(--text-dim);box-shadow:none;font-size:13px}.btn .small{display:block;font-size:11px;font-weight:600;opacity:.8;margin-top:2px}.revive-ring{position:relative;width:120px;height:120px;margin:0 auto 14px}.revive-ring svg{width:100%;height:100%;transform:rotate(-90deg)}.revive-ring .gap{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-family:var(--font-num);font-size:14px;color:var(--text-dim)}.revive-ring .gap b{font-size:30px;color:var(--accent);font-weight:800}.lb-list{text-align:left;margin:8px 0 4px;max-height:230px;overflow-y:auto}.lb-row{display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:10px;font-size:14px}.lb-row.me{background:#00c9a71f;border:1px solid rgba(0,201,167,.3)}.lb-row .rk{width:28px;font-family:var(--font-num);font-weight:800;color:var(--text-dim)}.lb-row .rk.top{color:var(--warning)}.lb-row .nm{flex:1;color:var(--text);font-weight:600}.lb-row .sc{font-family:var(--font-num);font-weight:700;color:var(--accent)}.lb-empty{color:var(--text-dim);font-size:13px;padding:18px}.toggles{display:flex;gap:10px;margin:6px 0 4px}.tog{flex:1;padding:12px;border-radius:12px;border:1px solid var(--border);background:#0a0e2780;color:var(--text-dim);font-size:13px;font-weight:600}.tog.on{color:var(--accent);border-color:#00c9a766;background:#00c9a71a}.name-in{width:100%;padding:13px;border-radius:12px;border:1px solid var(--border);background:#0a0e2799;color:var(--text);font-size:16px;text-align:center;letter-spacing:2px;font-weight:700;margin:6px 0 4px}.name-in:focus{outline:none;border-color:var(--accent)}.toast{position:absolute;top:calc(env(safe-area-inset-top) + 110px);left:50%;transform:translate(-50%) translateY(-8px);background:#131736f2;border:1px solid var(--border);border-radius:12px;padding:10px 18px;font-size:13px;font-weight:600;color:var(--text);z-index:20;opacity:0;transition:all .24s var(--ease);pointer-events:none;white-space:nowrap;box-shadow:var(--shadow-sm)}.toast.show{opacity:1;transform:translate(-50%) translateY(0)}@media (prefers-reduced-motion: reduce){.overlay,.card,.btn,.life,.hud-settings{transition:none!important}}