:root { --bg:#0b1220; --card:#121a2b; --ink:#dfe7ff; --muted:#8ea2c6; --accent:#37f3b5; }
*{box-sizing:border-box} body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.4 system-ui,Segoe UI,Roboto}
.topbar{display:flex;justify-content:space-between;align-items:center;padding:10px 16px;background:#0f1627;border-bottom:1px solid #1f2b44}
.brand{font-weight:900}
.container{max-width:1100px;margin:24px auto;padding:0 16px}
.row{display:flex;gap:16px;align-items:flex-start}
.space{justify-content:space-between}
.card{background:var(--card);border:1px solid #1f2b44;border-radius:12px;padding:16px;min-width:280px}
.flex1{flex:1}
.inline{display:inline-flex;gap:8px;align-items:center}
.hidden{display:none}
.list{list-style:none;margin:0;padding:0}
.list li{display:flex;justify-content:space-between;padding:6px 8px;border-bottom:1px solid #1f2b44}
.chat{height:200px;overflow:auto;background:#0f1627;border:1px solid #1f2b44;border-radius:8px;padding:8px;margin-bottom:8px}
.grid{display:grid;grid-template-columns:repeat(5,60px);grid-auto-rows:60px;gap:6px}
.cell{display:flex;align-items:center;justify-content:center;border-radius:10px;border:2px solid #2a385a;background:#0c1426;font-weight:700}
.cell.mark{background:var(--accent);color:#000;border-color:#1fcf94}
.cell.free{background:#ffd166;color:#000;border-color:#efb400}
.balls{display:flex;flex-wrap:wrap;gap:4px}
.ball{width:28px;height:28px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:#1a2744;color:#9fb6df;font-weight:800}
.ball.on{background:var(--accent);color:#000}
input,select,button{background:#0f1627;color:var(--ink);border:1px solid #2a385a;border-radius:8px;padding:8px}
button{cursor:pointer}
button:hover{filter:brightness(1.1)}

table{width:100%;border-collapse:collapse}
th,td{padding:8px;border-bottom:1px solid #1f2b44;color:#cbd6ee}
th{text-align:left;color:#9fb6df}