:root{--bg: #0b0f1a;--bg-2: #131a2b;--fg: #e6ecf5;--fg-dim: #8a94a8;--accent: #56b4e9;--accent-2: #009e73;--danger: #d55e00;--safe-top: env(safe-area-inset-top, 0px);--safe-bottom: env(safe-area-inset-bottom, 0px);--safe-left: env(safe-area-inset-left, 0px);--safe-right: env(safe-area-inset-right, 0px)}*{box-sizing:border-box}html,body{margin:0;padding:0;height:100%;width:100%;background:var(--bg);color:var(--fg);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;overscroll-behavior:none;overflow:hidden;-webkit-user-select:none;user-select:none;-webkit-tap-highlight-color:transparent;touch-action:manipulation}#app{position:fixed;inset:0;width:100vw;height:100vh;height:100dvh;overflow:hidden}#game-canvas{position:absolute;inset:0;width:100%;height:100%;display:block;background:linear-gradient(180deg,#0a0e1a,#131a2b);touch-action:none}.hidden{display:none!important}.hud{position:absolute;top:0;left:0;right:0;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;padding:calc(8px + var(--safe-top)) calc(16px + var(--safe-right)) 8px calc(16px + var(--safe-left));pointer-events:none;z-index:5;gap:8px}.hud-left{color:#ff5d6c;font-size:18px;letter-spacing:2px;font-weight:700}.hud-center{display:flex;align-items:center;gap:8px;background:#00000059;border:1px solid rgba(255,255,255,.08);padding:6px 14px;border-radius:999px;font-weight:700;font-size:16px}.hud-color-dot{width:16px;height:16px;border-radius:50%;display:inline-block;background:#fff;box-shadow:0 0 8px currentColor}.hud-right{text-align:right;font-size:18px;font-weight:700;font-variant-numeric:tabular-nums;display:flex;align-items:center;justify-content:flex-end;gap:10px}.hud-pause{pointer-events:auto;appearance:none;background:#ffffff14;border:1px solid rgba(255,255,255,.12);color:var(--fg);width:36px;height:36px;border-radius:50%;font-size:14px;line-height:1;padding:0;display:inline-flex;align-items:center;justify-content:center;cursor:pointer;font-family:inherit}.hud-pause:active{background:#ffffff29}.hud-next{grid-column:1 / -1;text-align:center;font-size:13px;color:var(--fg-dim);margin-top:4px;letter-spacing:.5px}.screen{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;z-index:10;padding:calc(24px + var(--safe-top)) calc(24px + var(--safe-right)) calc(24px + var(--safe-bottom)) calc(24px + var(--safe-left));background:radial-gradient(ellipse at center,#0b0f1ad9,#0b0f1afa);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px)}.screen-inner{width:100%;max-width:420px;display:flex;flex-direction:column;align-items:stretch;gap:12px;text-align:center}.logo{font-size:48px;margin:0 0 4px;letter-spacing:-1px;background:linear-gradient(90deg,#56b4e9,#009e73,#f0e442);-webkit-background-clip:text;background-clip:text;color:transparent}.subtitle{margin:0 0 24px;color:var(--fg-dim)}h2{margin:0 0 16px;font-size:24px}.btn{appearance:none;border:1px solid rgba(255,255,255,.12);background:#ffffff0a;color:var(--fg);padding:16px 18px;font-size:17px;font-weight:600;border-radius:14px;cursor:pointer;transition:transform .06s ease,background .15s ease;font-family:inherit;min-height:56px}.btn:active{transform:scale(.98);background:#ffffff14}.btn.primary{background:linear-gradient(180deg,#56b4e9,#2f7fb0);border-color:transparent;color:#fff;font-size:19px;min-height:64px;box-shadow:0 8px 24px #56b4e940}.btn.danger{background:linear-gradient(180deg,#d55e00,#8a3d00);border-color:transparent;color:#fff}.btn.ghost{background:transparent;border-color:#ffffff14;color:var(--fg-dim)}.version{margin-top:24px;color:var(--fg-dim);font-size:12px}.diff-cards{display:flex;flex-direction:column;gap:12px;margin-bottom:16px}.diff-card{appearance:none;border:1px solid rgba(255,255,255,.1);background:#ffffff0a;color:var(--fg);padding:18px;border-radius:16px;text-align:left;cursor:pointer;font-family:inherit;transition:transform .06s ease,border-color .15s ease}.diff-card:active{transform:scale(.98);border-color:var(--accent)}.diff-title{font-size:22px;font-weight:700;margin-bottom:4px}.diff-desc{color:var(--fg-dim);font-size:14px;margin-bottom:8px}.diff-best{font-size:13px;color:var(--accent);font-variant-numeric:tabular-nums}.scores-list{list-style:none;padding:0;margin:0 0 16px;display:flex;flex-direction:column;gap:8px;text-align:left}.scores-list li{display:flex;justify-content:space-between;align-items:center;padding:14px 16px;background:#ffffff0a;border-radius:12px;border:1px solid rgba(255,255,255,.06)}.scores-list .sc-mode{font-weight:700}.scores-list .sc-val{font-variant-numeric:tabular-nums;color:var(--accent);font-weight:700}.scores-list .sc-meta{font-size:12px;color:var(--fg-dim)}.setting-row{display:flex;justify-content:space-between;align-items:center;padding:14px 16px;background:#ffffff0a;border-radius:12px;font-size:16px;border:1px solid rgba(255,255,255,.06)}.setting-row input[type=checkbox]{width:22px;height:22px;accent-color:var(--accent)}.setting-row select{background:#0006;color:var(--fg);border:1px solid rgba(255,255,255,.12);border-radius:8px;padding:6px 10px;font-size:15px;font-family:inherit}.final-score{font-size:64px;font-weight:800;color:var(--accent);font-variant-numeric:tabular-nums;margin:8px 0}.new-record{color:#f0e442;font-weight:700;letter-spacing:1px;text-transform:uppercase;margin-bottom:8px}.rounds-passed{color:var(--fg-dim);margin-bottom:16px}.countdown-overlay{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;pointer-events:none;z-index:6;padding:0 24px;text-align:center}.countdown-prompt{font-size:22px;font-weight:700;color:var(--fg);margin-bottom:24px;display:inline-flex;align-items:center;gap:10px}.countdown-dot{width:28px;height:28px;border-radius:50%;background:#fff;box-shadow:0 0 14px currentColor;display:inline-block}.countdown-number{font-size:140px;font-weight:800;line-height:1;color:var(--accent);font-variant-numeric:tabular-nums;text-shadow:0 8px 32px rgba(86,180,233,.4);animation:countdownPulse .7s ease;animation-iteration-count:1}@keyframes countdownPulse{0%{transform:scale(.6);opacity:0}20%{transform:scale(1.15);opacity:1}to{transform:scale(1);opacity:1}}.round-badge{display:inline-block;align-self:center;padding:6px 14px;border-radius:999px;background:#56b4e91f;border:1px solid rgba(86,180,233,.35);color:var(--accent);font-weight:700;font-size:14px;letter-spacing:.5px;text-transform:uppercase;margin-bottom:8px}.round-earned-wrap{display:flex;flex-direction:column;align-items:center;margin-bottom:16px;gap:4px}.round-earned{font-size:56px;font-weight:800;color:var(--accent);line-height:1.1;font-variant-numeric:tabular-nums}.round-perfect{color:#f0e442;font-weight:700;font-size:14px;letter-spacing:.5px}.round-endgame{color:var(--accent-2);font-weight:700;font-size:14px;letter-spacing:.5px}.round-stats{list-style:none;padding:0;margin:0 0 16px;display:flex;flex-direction:column;gap:1px;background:#ffffff0d;border:1px solid rgba(255,255,255,.06);border-radius:12px;overflow:hidden}.round-stats li{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;background:#0b0f1a99;font-size:15px}.round-stats li span:first-child{color:var(--fg-dim)}.round-stats li span:last-child{font-variant-numeric:tabular-nums;font-weight:600}.round-stats-total{background:#56b4e914!important;font-weight:700}.round-stats-total span:first-child{color:var(--fg)!important}.round-stats-total span:last-child{color:var(--accent);font-size:18px}@keyframes shake{0%,to{transform:translate(0)}20%{transform:translate(-6px,2px)}40%{transform:translate(6px,-2px)}60%{transform:translate(-4px,1px)}80%{transform:translate(4px,-1px)}}.shake{animation:shake .25s ease}