:root{
  --bg:#0f0f14; --card:#171720; --text:#fff; --muted:#9aa3af;
  --brand:#6d5dfc; --border:#2a2a3c; --chip:#232336;
  --radius:14px; --pad:16px; --gap:12px;
}
:root.light{ --bg:#f7f7fb; --card:#ffffff; --text:#0b0b12; --muted:#4b5563; --brand:#635bff; --border:#e5e7eb; --chip:#f0f1f7; }

*{box-sizing:border-box} html,body{height:100%}
body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,system-ui,Segoe UI,Roboto,Arial,sans-serif;-webkit-font-smoothing:antialiased}
h1,h2,h3{margin:0 0 8px}
h1{font-size:clamp(18px,3.5vw,24px)}
h2{font-size:clamp(16px,3vw,20px)}
h3{font-size:clamp(14px,2.6vw,18px)}
p,small{line-height:1.5}
a{color:inherit}

.topbar{
  position:sticky; top:0; z-index:10;
  display:flex; align-items:center; justify-content:space-between;
  padding:10px var(--pad); background:var(--card); border-bottom:1px solid var(--border);
}

.container{
  max-width:1100px; margin:0 auto; padding:var(--pad);
  display:grid; gap:var(--gap); justify-items:center;
}

.card{
  background:var(--card); border:1px solid var(--border); border-radius:var(--radius); padding:var(--pad);
  width:100%; max-width:920px; margin:0 auto;
}

.grid{ display:grid; gap:10px; grid-template-columns:1fr; }
@media (min-width: 560px){ .grid{ grid-template-columns:1fr 1fr; } }

input{
  width:100%; padding:12px; font-size:16px;
  border-radius:12px; border:1px solid var(--border); background:transparent; color:var(--text);
}

.row{ display:flex; align-items:center; gap:var(--gap); }
.row.wrap{ flex-wrap:wrap; }
.row.g{ gap:clamp(8px,2.5vw,14px); }
.grow{ flex:1 }

.btn{
  border:1px solid var(--border); background:var(--brand); color:#fff;
  padding:12px 14px; border-radius:12px; font-weight:600; cursor:pointer; min-height:44px;
}
.btn.ghost{ background:transparent; color:var(--text); }
.btn:disabled{ opacity:.5; cursor:not-allowed; }

.note{ color:var(--muted); }

.stack{ display:flex; flex-wrap:wrap; gap:8px; justify-content:center; }
.player{
  display:flex; align-items:center; gap:8px; background:var(--chip);
  padding:8px 10px; border-radius:999px; font-size:14px;
}

.area{ margin-top:8px; }
.cardlist{ display:flex; flex-wrap:wrap; gap:8px; justify-content:center; }
.cardbtn{
  padding:10px 12px; border:1px solid var(--border); border-radius:12px; background:transparent; color:var(--text); cursor:pointer;
  min-width:96px; min-height:40px;
}

.rooms-grid{
  display:grid; grid-template-columns:repeat(auto-fill, minmax(180px, 1fr));
  gap:10px; width:100%;
}
.room-chip{
  display:flex; align-items:center; justify-content:space-between; gap:8px;
  padding:10px 12px; border:1px solid var(--border); background:var(--chip); border-radius:12px; cursor:pointer;
}
.room-chip .meta{ color:var(--muted); font-size:12px; }

.log{
  margin-top:8px; display:grid; gap:4px; max-height:30vh; overflow:auto; padding-right:4px;
}

@media (max-width: 480px){
  .topbar{ padding:8px 12px }
  .container{ padding:12px }
  .card{ padding:12px }
  .player{ font-size:13px }
  .cardbtn{ min-width:84px; padding:8px 10px; }
}

@media (max-height: 620px){
  .log{ max-height:22vh }
}

.footer{ color:var(--muted); text-align:center; padding:20px }