:root{--bg: #060b10;--panel: rgba(8, 18, 28, .86);--line: rgba(120, 220, 255, .22);--cyan: #6ef0ff;--amber: #ffb454;--text: #d8f4ff;--dim: #6f8a9a;--danger: #ff5a4a;--ok: #6dff9a;font-family:Share Tech Mono,ui-monospace,monospace;color:var(--text)}*{box-sizing:border-box}html,body{margin:0;height:100%;background:var(--bg);overflow:hidden}#app{height:100%}.shell{height:100%;display:grid;grid-template-rows:auto 1fr auto;background:radial-gradient(1200px 600px at 10% -10%,rgba(40,140,180,.18),transparent 50%),radial-gradient(900px 500px at 100% 100%,rgba(180,80,20,.12),transparent 45%),var(--bg)}.topbar,.bottombar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 16px;border-bottom:1px solid var(--line);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.bottombar{border-bottom:0;border-top:1px solid var(--line);flex-wrap:wrap}.brand{display:flex;flex-direction:column;letter-spacing:.28em;font-family:Orbitron,sans-serif;font-weight:800;font-size:18px;color:var(--cyan);text-shadow:0 0 18px rgba(110,240,255,.45)}.brand small{letter-spacing:.18em;color:var(--dim);font-size:9px;font-weight:500}.stats{display:flex;gap:18px;font-size:13px}.stats b{color:var(--amber)}.play{display:grid;grid-template-columns:132px 1fr 220px;gap:12px;padding:12px;min-height:0}@media (max-width: 900px){.play{grid-template-columns:88px 1fr}.side-right{grid-column:1 / -1}}.panel{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:12px;box-shadow:inset 0 1px #ffffff0a,0 10px 40px #00000059}.queue{display:flex;flex-direction:column;gap:8px;align-items:center;overflow:auto}.queue h3,.side-right h3{margin:0 0 8px;font-size:11px;letter-spacing:.2em;color:var(--dim);font-weight:500}.q-item canvas,.current-wrap canvas{display:block}.board-wrap{position:relative;min-height:0;display:flex}#board{width:100%;height:100%;border-radius:14px;border:1px solid var(--line);background:#071018;cursor:pointer;touch-action:none}.overlay{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;background:#04080c6b;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);border-radius:14px}.card{width:min(520px,92%);background:linear-gradient(180deg,#10202cf2,#081018f2);border:1px solid var(--line);border-radius:18px;padding:22px 24px 18px;box-shadow:0 0 40px #50c8ff1f}.card h1{font-family:Orbitron,sans-serif;margin:0 0 6px;letter-spacing:.16em;font-size:28px;color:var(--cyan)}.card p{color:var(--dim);line-height:1.45}.row{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}button,.btn{font-family:Orbitron,sans-serif;letter-spacing:.08em;background:linear-gradient(180deg,#1a3a4a,#0e2430);color:var(--cyan);border:1px solid rgba(110,240,255,.35);border-radius:10px;padding:10px 14px;cursor:pointer;text-transform:uppercase;font-size:11px}button:hover{filter:brightness(1.15);box-shadow:0 0 16px #6ef0ff40}button.primary{background:linear-gradient(180deg,#2a6a78,#123844);color:#e8ffff}button.danger{color:var(--danger);border-color:#ff5a4a66}button.active{box-shadow:0 0 0 2px var(--amber)}.hidden{display:none!important}.meter{height:8px;background:#102028;border-radius:99px;overflow:hidden;margin:8px 0 14px;border:1px solid var(--line)}.meter>i{display:block;height:100%;background:linear-gradient(90deg,var(--cyan),#fff);width:0%}.kv{display:grid;grid-template-columns:1fr auto;gap:6px 10px;font-size:12px;color:var(--dim)}.kv b{color:var(--text)}input[type=range]{width:100%;accent-color:var(--cyan)}label.chk{display:flex;gap:8px;align-items:center;font-size:12px;color:var(--dim);margin:6px 0}select,input[type=text]{background:#0a1820;color:var(--text);border:1px solid var(--line);border-radius:8px;padding:8px 10px;font-family:inherit}.scores{width:100%;border-collapse:collapse;font-size:12px}.scores th{color:var(--dim);text-align:left;font-weight:500;padding:4px 6px}.scores td{padding:4px 6px;border-top:1px solid rgba(255,255,255,.05)}.help{font-size:13px;color:var(--dim)}.help kbd{background:#123;border:1px solid var(--line);border-radius:4px;padding:0 5px;color:var(--cyan)}