:root{
  --bg1:#071321; --bg2:#102845; --panel:rgba(10,18,31,.84); --line:rgba(255,255,255,.08);
  --text:#f5f9ff; --muted:#9ab0c7; --blue:#4f7cff; --green:#2fb56d; --red:#eb5757; --amber:#d18d1f;
}
*{box-sizing:border-box} html,body{margin:0;min-height:100%}
body{font-family:Inter,Arial,sans-serif;color:var(--text);background:linear-gradient(180deg,var(--bg1),var(--bg2))}
.wrap{max-width:1240px;margin:0 auto;padding:20px}
.topbar{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:16px}
.brand{font-size:32px;font-weight:800}
.sub{margin-top:6px;color:var(--muted)}
.chips{display:flex;gap:10px;flex-wrap:wrap}
.chip{background:rgba(255,255,255,.05);border:1px solid var(--line);border-radius:999px;padding:10px 14px}
.panel{background:var(--panel);backdrop-filter:blur(18px);border:1px solid var(--line);border-radius:24px;padding:16px;box-shadow:0 20px 60px rgba(0,0,0,.24)}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.btn{min-height:44px;padding:10px 15px;border:1px solid rgba(255,255,255,.06);border-radius:14px;cursor:pointer;background:linear-gradient(180deg,var(--blue),#3b66eb);color:#fff;font-weight:700}
.btn.secondary{background:rgba(255,255,255,.05)}
.btn.red{background:linear-gradient(180deg,#eb5757,#cb4343)}
.btn.amber{background:linear-gradient(180deg,#d18d1f,#b17513)}
.hidden{display:none!important}
.menu-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:14px}
@media (max-width: 900px){.menu-grid{grid-template-columns:1fr}}
.card{background:rgba(255,255,255,.03);border:1px solid var(--line);border-radius:20px;padding:16px}
.muted{color:var(--muted)}
.progress{height:14px;background:rgba(255,255,255,.05);border-radius:999px;overflow:hidden;border:1px solid var(--line)}
#queueBar{height:100%;width:0%;background:linear-gradient(90deg,var(--blue),#85a8ff)}
.hud{margin-bottom:14px}
.layout{display:grid;grid-template-columns:1fr 340px;gap:18px}
@media (max-width:980px){.layout{grid-template-columns:1fr}}
.canvas-shell{padding:10px;border-radius:26px;background:rgba(255,255,255,.03);border:1px solid var(--line)}
canvas{display:block;width:100%;max-width:100%;background:#5ea14a;border-radius:18px;border:1px solid rgba(255,255,255,.08);image-rendering:pixelated;touch-action:none}
.side h3{margin:0 0 10px}
.controls{display:grid;grid-template-columns:repeat(3,64px);gap:8px;justify-content:center;margin-top:14px;user-select:none}
.controls .btn{padding:0;height:62px;font-size:20px;border-radius:16px}
.controls .wide{grid-column:span 3;height:54px;font-size:16px}
.notice{margin-top:16px;padding:12px 14px;border-radius:16px;background:rgba(255,255,255,.04);border:1px solid var(--line);color:var(--muted)}
.leaderboard{display:grid;gap:8px;margin-top:12px}
.lb-row{display:flex;justify-content:space-between;align-items:center;background:rgba(255,255,255,.04);border:1px solid var(--line);padding:10px 12px;border-radius:14px}
.overlay{position:fixed;inset:0;background:rgba(0,0,0,.58);display:flex;align-items:center;justify-content:center;padding:20px;z-index:50}
.modal{width:min(560px,100%);background:linear-gradient(180deg,rgba(12,23,41,.98),rgba(9,18,31,.98));border:1px solid var(--line);border-radius:26px;padding:24px}