: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:100dvh;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,system-ui,sans-serif;font-variant-numeric:tabular-nums;overflow:hidden;overscroll-behavior:none;user-select:none;-webkit-user-select:none;touch-action:none}#app{position:fixed;inset:0;max-width:520px;margin:0 auto}canvas{display:block;width:100%;height:100%;touch-action:none}#ui{position:fixed;inset:0;pointer-events:none;z-index:10;max-width:520px;margin:0 auto}.modal-scrim{position:absolute;inset:0;background:#040716b8;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;pointer-events:auto;opacity:0;transition:opacity .22s ease;padding:24px}.modal-scrim.show{opacity:1}.modal{width:100%;max-width:340px;background:linear-gradient(180deg,var(--surface-2),var(--surface));border:1px solid var(--border);border-radius:20px;padding:26px 22px 22px;box-shadow:0 24px 60px #00000080,0 0 0 1px #ffffff05 inset;transform:scale(.92) translateY(10px);transition:transform .26s cubic-bezier(.22,1,.36,1);text-align:center}.modal-scrim.show .modal{transform:scale(1) translateY(0)}.modal h2{font-size:26px;font-weight:800;letter-spacing:.02em;margin-bottom:4px}.modal .sub{color:var(--text-dim);font-size:14px;margin-bottom:18px;line-height:1.5}.modal .big{font-size:44px;font-weight:900;color:var(--accent);margin:6px 0 2px;letter-spacing:-.02em}.modal .biglabel{color:var(--text-dim);font-size:12px;letter-spacing:.18em;text-transform:uppercase}.modal .stat-row{display:flex;justify-content:space-around;margin:16px 0 4px}.modal .stat{display:flex;flex-direction:column;gap:2px}.modal .stat b{font-size:22px;font-weight:800;color:var(--text)}.modal .stat span{font-size:11px;color:var(--text-dim);letter-spacing:.1em;text-transform:uppercase}.btn{display:block;width:100%;padding:15px 16px;margin-top:10px;border:none;border-radius:14px;font-size:16px;font-weight:800;letter-spacing:.02em;cursor:pointer;transition:transform .08s ease,filter .15s ease;font-family:inherit}.btn:active{transform:scale(.96)}.btn-primary{background:linear-gradient(180deg,var(--accent),var(--accent-dim));color:#04231d}.btn-gold{background:linear-gradient(180deg,#ffd166,var(--warning));color:#3a2700}.btn-ghost{background:var(--surface-2);color:var(--text-dim);border:1px solid var(--border)}.btn .small{display:block;font-weight:600;font-size:11px;opacity:.85;margin-top:2px;letter-spacing:.05em}.lb-list{text-align:left;margin:10px 0 4px;max-height:190px;overflow-y:auto}.lb-row{display:flex;justify-content:space-between;padding:7px 10px;border-radius:8px;font-size:14px;gap:8px}.lb-row:nth-child(odd){background:#ffffff06}.lb-row.me{background:#00c9a724;color:var(--accent);font-weight:800}.lb-row .r{color:var(--text-dim);width:30px;flex:none}.lb-row .n{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.lb-row .s{font-weight:700;flex:none}.streak-chip{position:absolute;top:14px;left:50%;transform:translate(-50%) translateY(-70px);background:var(--surface-2);border:1px solid var(--border);border-radius:999px;padding:8px 16px;font-size:13px;font-weight:700;color:var(--warning);pointer-events:none;opacity:0;transition:transform .4s cubic-bezier(.22,1,.36,1),opacity .4s ease;box-shadow:0 8px 24px #0006;white-space:nowrap}.streak-chip.show{transform:translate(-50%) translateY(0);opacity:1}