: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:system-ui,sans-serif;font-variant-numeric:tabular-nums;overflow:hidden;touch-action:none;-webkit-tap-highlight-color:transparent;user-select:none;-webkit-user-select:none}#app{position:relative;width:100%;max-width:480px;height:100dvh;margin:0 auto;display:flex;flex-direction:column;padding:env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left)}#hud{display:flex;justify-content:space-between;align-items:center;padding:10px 18px 6px;gap:10px}.hud-cell{text-align:center;flex:1}.hud-cell:first-child{text-align:left}.hud-cell:last-child{text-align:right}.lbl{font-size:10px;letter-spacing:2px;color:var(--text-dim);font-weight:700}.val{font-size:22px;font-weight:800;color:var(--text);line-height:1.1;font-variant-numeric:tabular-nums}#score{color:var(--accent)}#game{display:block;width:100%;flex:1;min-height:0}.touch-hint{position:absolute;left:50%;bottom:14px;transform:translate(-50%) translateY(8px);background:#0a0e27d9;color:var(--text-dim);font-size:12px;font-weight:600;padding:7px 14px;border-radius:999px;border:1px solid var(--border);opacity:0;pointer-events:none;transition:opacity .35s,transform .35s;white-space:nowrap}.touch-hint.show{opacity:1;transform:translate(-50%) translateY(0)}#overlay{position:absolute;inset:0;z-index:20}.modal-scrim{position:absolute;inset:0;background:#040612b8;backdrop-filter:blur(3px)}.modal-card{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:min(360px,88vw);max-height:88vh;overflow-y:auto;background:linear-gradient(180deg,var(--surface),var(--surface-2, #11162f));border:1px solid var(--border);border-radius:20px;padding:22px 20px 20px;box-shadow:0 20px 60px #0000008c;text-align:center;animation:pop .26s cubic-bezier(.2,1.2,.4,1)}@keyframes pop{0%{transform:translate(-50%,-46%) scale(.92);opacity:0}to{transform:translate(-50%,-50%) scale(1);opacity:1}}.title{font-size:46px;font-weight:900;letter-spacing:4px;color:var(--accent);display:flex;align-items:baseline;justify-content:center;gap:10px}.title-jp{font-size:28px;color:var(--text);letter-spacing:2px;font-weight:800}.title-sm{font-size:24px;font-weight:800;margin-bottom:12px}.sub{color:var(--text-dim);font-size:14px;margin:6px 0 16px}.sub-sm{color:var(--text-dim);font-size:13px;margin:4px 0 12px}.rule-mini{text-align:left;background:#00000038;border:1px solid var(--border);border-radius:14px;padding:12px 14px;margin-bottom:18px;display:flex;flex-direction:column;gap:9px}.rmrow{display:flex;align-items:center;gap:9px;font-size:13px;color:var(--text);line-height:1.35}.rmrow b{color:var(--accent)}.dot{width:9px;height:9px;border-radius:50%;flex-shrink:0}.dot.teal{background:#00c9a7}.dot.amber{background:#ffcb3d}.dot.rose{background:#ff6b81}.btn{display:block;width:100%;border:none;border-radius:14px;padding:14px;font-size:16px;font-weight:800;cursor:pointer;margin-top:10px;color:var(--text);background:var(--surface-2, #1a2142);border:1px solid var(--border);transition:transform .08s var(--ease, ease),filter .15s;-webkit-tap-highlight-color:transparent}.btn:active{transform:scale(.96)}.btn.primary{background:linear-gradient(135deg,var(--accent),#00a98c);color:#042018;border:none}.btn.gold{background:linear-gradient(135deg,#ffcb3d,#ff9f43);color:#2a1c00;border:none}.btn.ghost{background:transparent;color:var(--text-dim)}.btn.small{display:inline-block;width:auto;flex:1;padding:10px 8px;font-size:13px;margin-top:0}.title-row{display:flex;gap:8px;margin-top:12px}.streak-note{margin-top:14px;font-size:12px;color:var(--accent);font-weight:700}.name-input{width:100%;padding:14px;font-size:18px;text-align:center;font-weight:800;background:#0000004d;border:1px solid var(--border);border-radius:12px;color:var(--text);margin-bottom:6px;text-transform:uppercase}.name-input:focus{outline:2px solid var(--accent)}.near{color:var(--warning, #ffcb3d);font-weight:800;font-size:16px;margin-bottom:4px}.score-now{color:var(--text-dim);font-size:13px;margin-bottom:14px}.result-score{font-size:48px;font-weight:900;color:var(--accent);line-height:1.1}.result-sub{color:var(--text-dim);font-size:14px;margin:4px 0 16px}.lb-tabs{display:flex;gap:6px;margin-bottom:12px}.tab{flex:1;padding:9px;border-radius:10px;border:1px solid var(--border);background:transparent;color:var(--text-dim);font-weight:700;font-size:13px;cursor:pointer}.tab.active{background:var(--accent);color:#042018;border-color:var(--accent)}.lb-list{max-height:46vh;overflow-y:auto;margin-bottom:12px;text-align:left}.lb-row{display:flex;align-items:center;padding:9px 10px;border-radius:10px;gap:10px;font-size:14px}.lb-row:nth-child(odd){background:#ffffff08}.lb-row.me{background:#00c9a729;border:1px solid var(--accent)}.lb-rank{width:26px;font-weight:800;color:var(--text-dim)}.lb-name{flex:1;font-weight:700;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.lb-score{font-weight:800;color:var(--accent)}.lb-empty{color:var(--text-dim);padding:24px;text-align:center;font-size:14px}.skin-result{min-height:36px;margin:10px 0}.gacha-pop{font-weight:800;font-size:16px;padding:10px;border-radius:12px;background:#00000040}.gacha-pop .rar{font-size:11px;opacity:.7}.gacha-pop.legendary{color:#ffcb3d}.gacha-pop.epic{color:#9d7cff}.gacha-pop.rare{color:#4aa8ff}.pack-offer{font-size:14px;line-height:1.6;padding:10px;background:#ffcb3d1a;border-radius:12px}.pack-offer b{color:#ffcb3d;font-size:18px}.ad-card{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:min(320px,84vw);background:var(--surface);border:1px solid var(--border);border-radius:18px;padding:26px 22px;text-align:center;box-shadow:0 20px 60px #0000008c}.ad-tag{display:inline-block;background:var(--text-dim);color:var(--bg);font-size:10px;font-weight:900;padding:2px 8px;border-radius:6px;letter-spacing:1px;margin-bottom:14px}.ad-title{font-size:17px;font-weight:800;margin-bottom:16px}.ad-bar{height:8px;background:#ffffff14;border-radius:999px;overflow:hidden}.ad-bar-fill{height:100%;width:0;background:linear-gradient(90deg,var(--accent),#00a98c);border-radius:999px;transition:width 1.3s linear}.ad-sub{font-size:12px;color:var(--text-dim);margin-top:12px}.tut-title{margin-bottom:8px}.tut-step{margin-bottom:6px}.tut-head{font-size:16px;font-weight:800;color:var(--accent);margin-bottom:12px}.tut-boards{display:flex;flex-direction:column;align-items:center;gap:6px;margin-bottom:12px}.tut-board{display:flex;align-items:center;gap:8px}.tut-tag{font-size:12px;font-weight:800;color:#00c9a7;width:28px;text-align:right}.tut-tag.amber{color:#ffcb3d}.tut-mirror{font-size:12px;font-weight:700;color:var(--text-dim);letter-spacing:1px}.tut-grid{display:grid;grid-template-columns:repeat(5,22px);grid-template-rows:repeat(4,22px);gap:2px;padding:4px;background:#0a0e2799;border:1px solid var(--border);border-radius:8px}.tcell{width:22px;height:22px;border-radius:4px;background:#ffffff0a;transition:background .2s,transform .2s}.tcell.piece{background:#4aa8ff}.tcell.lit-a{background:#00c9a7;box-shadow:0 0 8px #00c9a799}.tcell.lit-b{background:#ffcb3d;box-shadow:0 0 8px #ffcb3d99}.tcell.clear{background:#00c9a7}.tcell.clear.flash{animation:tclear .5s ease 2}@keyframes tclear{0%,to{background:#00c9a7;transform:scale(1)}50%{background:#fff;transform:scale(1.15)}}.tut-desc{font-size:13px;color:var(--text-dim);line-height:1.5;min-height:38px}.tut-dots{display:flex;justify-content:center;gap:7px;margin:6px 0 4px}.tdot{width:7px;height:7px;border-radius:50%;background:#ffffff2e}.tdot.on{background:var(--accent)}.skin-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:8px 0 4px;text-align:left}.skin-card{display:flex;align-items:center;gap:8px;padding:8px;border-radius:12px;border:1px solid var(--border);background:#0003;cursor:pointer;transition:border-color .15s,transform .08s}.skin-card.owned:active{transform:scale(.97)}.skin-card.locked{opacity:.5;cursor:default}.skin-card.equipped{border-color:var(--accent);background:#00c9a71f}.swatch{display:grid;grid-template-columns:repeat(5,7px);gap:2px;flex-shrink:0}.swatch span{width:7px;height:14px;border-radius:2px;display:block}.skin-meta{min-width:0}.skin-name{font-size:13px;font-weight:800}.skin-state{font-size:10px;color:var(--text-dim)}.skin-card.equipped .skin-state{color:var(--accent);font-weight:700}.gacha-pop{display:flex;align-items:center;gap:10px;justify-content:center}.toggle{display:flex;justify-content:space-between;align-items:center;padding:12px 4px;font-size:15px;font-weight:600;border-bottom:1px solid var(--border)}.toggle input{width:22px;height:22px;accent-color:var(--accent)}