: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, #0a0e27);color:var(--text, #eaf6ff);font-family:system-ui,sans-serif;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;padding:env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left)}#game{display:block;width:100%;height:100%}#ui{position:absolute;inset:0;pointer-events:none}#ui>*{pointer-events:auto}.btn{font:600 16px system-ui;color:#eaf6ff;background:#1a2142;border:1px solid rgba(255,255,255,.08);border-radius:14px;padding:13px 20px;cursor:pointer;transition:transform .08s ease,background .15s}.btn:active{transform:scale(.95)}.btn.primary{background:linear-gradient(160deg,#00d9b4,#00a98f);color:#042;border:none;box-shadow:0 6px 20px #00c9a747;font-weight:700}.btn.warn{background:#2a2140;color:#ffd34d;border:1px solid rgba(255,211,77,.3)}.btn.ghost{background:#ffffff0d}.btn.big{font-size:19px;padding:16px 28px;width:100%;max-width:280px}.btn.dim{opacity:.35;box-shadow:none}.overlay{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;background:radial-gradient(120% 80% at 50% 30%,#131a3a,#0a0e27 70%);text-align:center}.logo{font-size:96px;font-weight:800;line-height:1;background:linear-gradient(150deg,#00d9b4,#5ad1ff);-webkit-background-clip:text;background-clip:text;color:transparent;filter:drop-shadow(0 8px 30px rgba(0,201,167,.35))}.title{font-size:30px;font-weight:800;letter-spacing:6px;display:flex;flex-direction:column;align-items:center;gap:4px}.title .sub{font-size:13px;font-weight:600;letter-spacing:2px;color:#7a86b8}.tag{font-size:14px;line-height:1.6;color:#9aa5d0;margin-bottom:8px}.row{display:flex;gap:10px;margin-top:4px;flex-wrap:wrap;justify-content:center;padding:0 16px}.toggle{width:100%;max-width:280px}.best{font-size:13px;color:#7a86b8;margin-top:6px}.bottombar{position:absolute;left:0;right:0;bottom:0;display:flex;align-items:center;gap:12px;padding:14px 16px calc(14px + env(safe-area-inset-bottom))}.polrow{display:flex;gap:8px}.pol{width:56px;height:56px;border-radius:16px;font:700 22px system-ui;background:#161c3a;border:1.5px solid rgba(255,255,255,.08);color:#7a86b8;cursor:pointer;transition:transform .08s,border-color .15s,color .15s,background .15s}.pol:active{transform:scale(.92)}.pol.attract.on{color:#042;background:linear-gradient(160deg,#00d9b4,#00a98f);border-color:transparent}.pol.repel.on{color:#2a0410;background:linear-gradient(160deg,#ff7d8e,#ff4d63);border-color:transparent}.pol.clear{font-size:26px;color:#9aa5d0}.launch{flex:1;height:56px;font-size:19px;border-radius:16px}.modal-root{position:fixed;inset:0;z-index:50;display:flex;align-items:center;justify-content:center;padding:24px;background:#060814b8;backdrop-filter:blur(6px);animation:fade .18s ease}@keyframes fade{0%{opacity:0}to{opacity:1}}.modal{width:100%;max-width:340px;background:#131a3a;border:1px solid rgba(255,255,255,.08);border-radius:22px;padding:26px 22px;display:flex;flex-direction:column;gap:12px;text-align:center;box-shadow:0 20px 60px #00000080;animation:pop .22s cubic-bezier(.2,1.3,.5,1)}@keyframes pop{0%{transform:scale(.88);opacity:0}to{transform:scale(1);opacity:1}}.mtitle{font-size:20px;font-weight:800}.mtitle b{color:#ffd34d}.mdesc{font-size:14px;line-height:1.6;color:#9aa5d0}.mdesc b{color:#00d9b4}.bigscore{font-size:52px;font-weight:800;letter-spacing:1px;background:linear-gradient(150deg,#00d9b4,#5ad1ff);-webkit-background-clip:text;background-clip:text;color:transparent}.bigscore .unit{font-size:22px;color:#7a86b8;-webkit-text-fill-color:#7a86b8;margin-left:4px}.pct{color:#ffd34d;font-weight:700}.skins{display:grid;grid-template-columns:repeat(5,1fr);gap:8px;margin:4px 0}.skin{display:flex;flex-direction:column;align-items:center;gap:5px;padding:8px 2px;background:#161c3a;border:1.5px solid rgba(255,255,255,.08);border-radius:12px;cursor:pointer;transition:transform .08s,border-color .15s}.skin:active{transform:scale(.93)}.skin.sel{border-color:#00d9b4}.skin.locked{opacity:.45}.skin .dot{width:22px;height:22px;border-radius:50%;background:var(--c);box-shadow:0 0 12px var(--c)}.skin .nm{font-size:9px;color:#9aa5d0;line-height:1.1}.rklist{display:flex;flex-direction:column;gap:4px;max-height:320px;overflow-y:auto}.rkrow{display:grid;grid-template-columns:28px 1fr auto;gap:8px;align-items:center;padding:7px 10px;background:#161c3a;border-radius:10px;font-size:14px}.rkrow span:first-child{color:#7a86b8;font-weight:700}.rkrow .nm{text-align:left;color:#eaf6ff;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}#toast{position:fixed;left:50%;bottom:120px;transform:translate(-50%) translateY(12px);background:#1a2142;color:#eaf6ff;padding:10px 18px;border-radius:12px;font-size:14px;border:1px solid rgba(255,255,255,.1);opacity:0;pointer-events:none;transition:opacity .2s,transform .2s;z-index:60}#toast.show{opacity:1;transform:translate(-50%) translateY(0)}@media (prefers-reduced-motion: reduce){.modal-root,.modal{animation:none}}