:root{--bg-0: #07080f;--bg-1: #0e1020;--bg-2: #151933;--panel: rgba(20, 24, 48, .72);--panel-border: rgba(120, 140, 255, .18);--grid-line: rgba(120, 140, 220, .07);--text: #e8ecff;--text-dim: #8b93c7;--accent: #7c8bff;--accent-2: #22d3ee;--font: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font-family:var(--font);color:var(--text);background:radial-gradient(1200px 800px at 20% -10%,rgba(60,80,220,.18),transparent 60%),radial-gradient(1000px 700px at 100% 110%,rgba(34,211,238,.12),transparent 55%),linear-gradient(160deg,var(--bg-0),var(--bg-1) 55%,var(--bg-2));background-attachment:fixed;overflow-x:hidden;overflow-y:auto;-webkit-user-select:none;user-select:none}.app{min-height:100%;display:flex;flex-direction:column;align-items:center;justify-content:safe center;gap:clamp(8px,1.5vh,20px);padding:clamp(8px,2vh,24px)}.title-bar{text-align:center}.game-title{margin:0;font-size:clamp(26px,4.4vh,44px);font-weight:800;letter-spacing:.04em;line-height:1}.title-offline{color:var(--text);text-shadow:0 0 18px rgba(124,139,255,.5)}.title-blocks{background:linear-gradient(90deg,#22d3ee,#7c8bff,#c084fc);-webkit-background-clip:text;background-clip:text;color:transparent;filter:drop-shadow(0 0 14px rgba(124,139,255,.45))}.tagline{margin:4px 0 0;color:var(--text-dim);font-size:clamp(11px,1.6vh,14px);letter-spacing:.18em;text-transform:uppercase}.layout{display:flex;align-items:flex-start;justify-content:center;gap:clamp(10px,1.8vw,26px)}.stage{position:relative;border-radius:14px}.stage.shake{animation:shake .18s ease}@keyframes shake{0%,to{transform:translateY(0)}30%{transform:translateY(4px)}60%{transform:translateY(-2px)}}.board-wrap{padding:8px;border-radius:14px;background:linear-gradient(180deg,#141832d9,#0a0c1ce6);border:1px solid var(--panel-border);box-shadow:0 0 0 1px #0006,0 20px 60px #0000008c,inset 0 0 40px #283ca01f}.board{display:grid;aspect-ratio:1 / 2;height:min(76vh,760px);gap:1px;background:linear-gradient(var(--grid-line) 1px,transparent 1px) 0 0 / 100% 5%,linear-gradient(90deg,var(--grid-line) 1px,transparent 1px) 0 0 / 10% 100%,#090b16;border-radius:8px;overflow:hidden}.cell{position:relative;border-radius:3px}.cell.empty{background:#ffffff03}.cell.filled{background:linear-gradient(160deg,#ffffff8c,#fff0 42%),var(--cell-color);box-shadow:inset 0 0 0 1px #ffffff2e,inset 0 -3px 6px #00000059,0 0 10px color-mix(in srgb,var(--cell-color) 60%,transparent)}.cell.active{box-shadow:inset 0 0 0 1px #ffffff47,inset 0 -3px 6px #0000004d,0 0 14px color-mix(in srgb,var(--cell-color) 75%,transparent)}.cell.ghost{background:transparent;box-shadow:inset 0 0 0 2px color-mix(in srgb,var(--cell-color) 55%,transparent);opacity:.6}.cell.clearing{animation:clearFlash .28s ease;z-index:2}@keyframes clearFlash{0%{filter:brightness(1)}40%{filter:brightness(2.6) saturate(1.4);background:#fff;box-shadow:0 0 18px #fff}to{filter:brightness(1);opacity:.2}}.panel{width:clamp(120px,14vw,190px);display:flex;flex-direction:column;gap:10px}.panel-title{margin:0;font-size:12px;letter-spacing:.2em;text-transform:uppercase;color:var(--text-dim)}.slot{background:var(--panel);border:1px solid var(--panel-border);border-radius:10px;padding:10px;display:flex;align-items:center;justify-content:center;aspect-ratio:4 / 3;box-shadow:inset 0 0 24px #283ca01a}.slot.small{aspect-ratio:4 / 2.4;padding:7px}.queue{display:flex;flex-direction:column;gap:8px}.piece-mini{width:100%;height:100%;display:flex;align-items:center;justify-content:center}.piece-mini.dimmed{opacity:.4}.piece-mini-grid{display:grid;grid-template-columns:repeat(4,1fr);grid-template-rows:repeat(4,1fr);gap:2px;width:72%;aspect-ratio:1 / 1}.mini-cell{border-radius:2px;aspect-ratio:1 / 1}.mini-cell.on{background:linear-gradient(160deg,#ffffff80,#fff0 45%),var(--cell-color);box-shadow:inset 0 0 0 1px #ffffff2e,0 0 8px color-mix(in srgb,var(--cell-color) 55%,transparent)}.stats{display:flex;flex-direction:column;gap:6px;margin-top:4px}.stat{display:flex;justify-content:space-between;align-items:baseline;background:var(--panel);border:1px solid var(--panel-border);border-radius:8px;padding:7px 11px}.stat-label{font-size:10px;letter-spacing:.16em;text-transform:uppercase;color:var(--text-dim)}.stat-value{font-size:17px;font-weight:700;font-variant-numeric:tabular-nums}.stat.highlight{border-color:#facc1599;box-shadow:0 0 16px #facc1540}.stat.highlight .stat-value{color:#facc15}.controls-ref{margin-top:4px}.controls-title{margin:0 0 6px;font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--text-dim)}.controls-ref ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:5px}.controls-ref li{display:flex;align-items:center;gap:8px;font-size:11px;color:var(--text-dim)}kbd{font-family:var(--font);font-size:10px;color:var(--text);background:#3c468273;border:1px solid rgba(140,160,255,.25);border-bottom-width:2px;border-radius:5px;padding:2px 6px;min-width:22px;text-align:center;white-space:nowrap}.controls-ref li span{flex:1}.overlay{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;border-radius:14px;background:#060812b8;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);animation:fadeIn .2s ease;z-index:5}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.overlay-card{text-align:center;padding:28px 32px;border-radius:16px;background:linear-gradient(180deg,#1c2040e6,#0e1024eb);border:1px solid var(--panel-border);box-shadow:0 24px 70px #0009;animation:popIn .25s cubic-bezier(.2,.9,.3,1.3);max-width:86%}@keyframes popIn{0%{transform:scale(.9);opacity:0}to{transform:scale(1);opacity:1}}.overlay-title{margin:0 0 8px;font-size:30px;font-weight:800;letter-spacing:.02em;background:linear-gradient(90deg,#22d3ee,#7c8bff,#c084fc);-webkit-background-clip:text;background-clip:text;color:transparent}.overlay-title.gameover{background:linear-gradient(90deg,#f87171,#fb923c);-webkit-background-clip:text;background-clip:text;color:transparent}.overlay-sub{margin:6px 0 0;color:var(--text-dim);font-size:14px}.new-high{margin:8px 0;color:#facc15;font-weight:700;letter-spacing:.08em;animation:pulse 1.1s ease-in-out infinite}@keyframes pulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.7;transform:scale(1.05)}}.final-score{margin:14px 0 2px;font-size:18px;color:var(--text)}.final-score strong{font-size:26px;font-variant-numeric:tabular-nums}.leaderboard{list-style:none;margin:16px auto 0;padding:10px 12px;width:200px;border-radius:12px;background:#0a0c1e80;border:1px solid var(--panel-border)}.leaderboard-row{display:flex;align-items:baseline;justify-content:space-between;padding:4px 6px;border-radius:6px;font-variant-numeric:tabular-nums}.leaderboard-row .lb-rank{color:var(--text-dim);font-size:13px;font-weight:700;width:1.5em;text-align:left}.leaderboard-row .lb-score{font-size:15px;color:var(--text)}.leaderboard-row.empty .lb-score{color:var(--text-dim)}.leaderboard-row.you{background:linear-gradient(90deg,#facc152e,#fb923c1f);box-shadow:inset 0 0 0 1px #facc1566}.leaderboard-row.you .lb-score{color:#facc15;font-weight:700}.cta{margin-top:20px;font-family:var(--font);font-size:15px;color:var(--text);cursor:pointer;padding:12px 22px;border-radius:12px;border:1px solid rgba(140,160,255,.4);background:linear-gradient(180deg,#5064dc80,#323c9680);box-shadow:0 0 24px #7c8bff4d;transition:transform .12s ease,box-shadow .2s ease,filter .2s ease}.cta:hover{transform:translateY(-1px);filter:brightness(1.12);box-shadow:0 0 32px #7c8bff80}.cta:active{transform:translateY(1px)}.cta kbd{font-size:12px}.footer{color:var(--text-dim);font-size:11px;letter-spacing:.12em;text-transform:uppercase;opacity:.7}@media (max-height: 680px){.controls-ref{display:none}}@media (max-width: 720px){.panel{width:clamp(96px,24vw,150px)}.controls-ref{display:none}}