:root{
  --bg:#0b0f16;
  --card:#121826;
  --text:#e9f0ff;
  --muted:#9fb0d1;
  --accent:#6ae3ff;
  --accent-2:#4ce07a;
  --shadow: 0 10px 25px rgba(0,0,0,.35);
  --radius: 18px;
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:Outfit,system-ui,sans-serif;
  color:var(--text);
  background: radial-gradient(1200px 800px at 10% -10%, #1b2a4a77 0%, transparent 60%),
              radial-gradient(1000px 600px at 110% 10%, #0e46294d 0%, transparent 60%),
              var(--bg);
  overflow-x:hidden;
}
#bg{position:fixed; inset:0; z-index:-2; filter:contrast(110%) saturate(110%)}
.overlay{position:fixed; inset:0; z-index:-1; pointer-events:none;
  background:radial-gradient(1200px 800px at 50% -10%,transparent 0%, transparent 60%, rgba(0,0,0,.25) 100%);
}

.topbar{
  width:min(1200px, 92%);
  margin:24px auto 10px;
  display:flex; gap:14px; align-items:flex-start;
}
.back{
  text-decoration:none;
  color:#cfe2ff;
  font-weight:900;
  padding:10px 12px;
  border-radius:14px;
  background:rgba(15,22,38,.65);
  box-shadow:inset 0 0 0 1px rgba(43,58,87,.75);
  transition:transform .18s ease, filter .18s ease, box-shadow .18s ease;
  white-space:nowrap;
}
.back:hover{ transform:translateY(-1px); filter:brightness(1.08); box-shadow:inset 0 0 0 1px rgba(106,227,255,.28), 0 10px 18px rgba(0,0,0,.25); }

.title h1{margin:0; font-size:clamp(28px,5vw,46px)}
.title p{margin:8px 0 0; color:var(--muted); max-width:70ch}

.wrap{width:min(1200px, 92%); margin:0 auto 28px;}
.card{
  background:linear-gradient(180deg, #111827, #0d1423);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  outline:1px solid #1e2a44aa;
  overflow:hidden;
  position:relative;
  isolation:isolate;
}
.card::before{
  content:"";
  position:absolute; inset:-2px;
  background:
    radial-gradient(700px 260px at 20% 0%, rgba(106,227,255,.18), transparent 60%),
    radial-gradient(700px 260px at 80% 110%, rgba(76,224,122,.16), transparent 60%);
  z-index:-1;
}

.row{
  display:grid;
  grid-template-columns: 1.15fr .85fr;
  gap:16px;
  padding:18px;
}
@media (max-width: 920px){
  .topbar{flex-direction:column}
  .row{grid-template-columns:1fr}
}

.panel{
  background:rgba(15,22,38,.55);
  border-radius:16px;
  padding:16px;
  box-shadow: inset 0 0 0 1px rgba(43,58,87,.65);
}
.panel h2{margin:0 0 6px; font-size:18px}
.muted{margin:0 0 12px; color:var(--muted); font-size:13.5px; line-height:1.4}

.join{display:flex; gap:10px; align-items:center; margin-top:8px}
input{
  flex:1;
  padding:12px 12px;
  border-radius:14px;
  border:1px solid rgba(42,59,96,.95);
  background:#0f1626;
  color:var(--text);
  font-size:14px;
  outline:none;
  transition:box-shadow .15s ease, border-color .15s ease;
}
input:focus{border-color: rgba(106,227,255,.55); box-shadow: 0 0 0 4px rgba(106,227,255,.12);}

.btn{
  border:none; cursor:pointer;
  padding:12px 14px;
  border-radius:14px;
  font-weight:900;
  font-size:14px;
  color:#031018;
  background:linear-gradient(135deg,var(--accent), var(--accent-2));
  box-shadow: 0 10px 22px rgba(106,227,255,.20);
  transition:transform .18s ease, filter .18s ease, box-shadow .18s ease;
  position:relative; overflow:hidden; isolation:isolate;
}
.btn::after{
  content:"";
  position:absolute; top:-30%; left:-60%;
  width:60%; height:160%;
  background: linear-gradient(120deg, transparent, rgba(255,255,255,.22), transparent);
  transform: rotate(18deg);
  opacity:.6;
  animation: sheen 2.6s ease-in-out infinite;
  z-index:-1;
}
@keyframes sheen{ 0%{ transform: translateX(0) rotate(18deg); opacity:.12;} 45%{opacity:.6;} 100%{ transform: translateX(220%) rotate(18deg); opacity:.12;} }
.btn:hover{ transform:translateY(-2px) scale(1.01); filter:brightness(1.05); box-shadow: 0 18px 34px rgba(106,227,255,.28); }
.btn:active{ transform:translateY(0) scale(.99); }
.btn:disabled{ opacity:.45; cursor:not-allowed; filter:saturate(.5); box-shadow:none; }
.btn.secondary{ background:linear-gradient(135deg, rgba(255,255,255,.12), rgba(255,255,255,.06)); color:var(--text); box-shadow: inset 0 0 0 1px rgba(43,58,87,.8); }
.btn.secondary:hover{ box-shadow: inset 0 0 0 1px rgba(106,227,255,.28), 0 18px 34px rgba(0,0,0,.35); }
.btn.ghost{ background:transparent; color:#cfe2ff; box-shadow: inset 0 0 0 1px rgba(43,58,87,.65); }
.btn.ghost:hover{ box-shadow: inset 0 0 0 1px rgba(106,227,255,.28), 0 18px 34px rgba(0,0,0,.35); }

.status{display:flex; align-items:center; justify-content:space-between; gap:10px; margin:14px 0 8px}
.pill{
  font-weight:900;
  font-size:12px;
  color:#cfe2ff;
  padding:7px 10px;
  border-radius:999px;
  background:rgba(15,22,38,.65);
  box-shadow:inset 0 0 0 1px rgba(43,58,87,.75);
}
.timer{
  font-weight:900;
  font-size:13px;
  color:#bfefff;
  padding:7px 10px;
  border-radius:999px;
  background:rgba(106,227,255,.12);
  box-shadow:inset 0 0 0 1px rgba(106,227,255,.22);
}

.actions{display:flex; gap:10px; flex-wrap:wrap; margin:10px 0 16px}

.play{display:flex; flex-direction:column; align-items:center; gap:10px; padding:10px 0 4px}
.click{
  width:min(420px, 100%);
  padding:18px 16px;
  border-radius:18px;
  border:none;
  cursor:pointer;
  color:#031018;
  font-weight:1000;
  background:linear-gradient(135deg,var(--accent), var(--accent-2));
  box-shadow: 0 18px 40px rgba(106,227,255,.22);
  transition:transform .12s ease, filter .12s ease, box-shadow .12s ease;
}
.click span{display:block; font-size:22px; letter-spacing:.6px}
.click small{display:block; opacity:.85; font-weight:900; margin-top:2px}
.click:hover{ transform:translateY(-2px) scale(1.01); filter:brightness(1.06); box-shadow: 0 26px 60px rgba(106,227,255,.28); }
.click:active{ transform:translateY(1px) scale(.99); }
.click:disabled{ opacity:.45; cursor:not-allowed; filter:saturate(.5); box-shadow:none; }

.hint{margin:0; color:var(--muted); font-size:12.8px; text-align:center; max-width:55ch}

.board{margin:10px 0 0; padding:0 0 0 18px}
.board li{
  display:flex; align-items:center; justify-content:space-between;
  gap:10px;
  padding:10px 10px;
  border-radius:14px;
  background:rgba(15,22,38,.5);
  box-shadow:inset 0 0 0 1px rgba(43,58,87,.55);
  margin:8px 0;
}
.board .name{font-weight:900; color:#d7e7ff}
.board .score{font-weight:1000; color:#bff5d2}

.me{margin-top:12px; padding:12px; border-radius:16px; background:rgba(106,227,255,.08); box-shadow: inset 0 0 0 1px rgba(106,227,255,.22);}
.meTitle{font-weight:1000; font-size:12px; color:#bfefff; margin-bottom:6px}
.meRow{display:flex; justify-content:space-between; gap:10px}
.meRow b{font-weight:1000}

.foot{
  margin-top:18px;
  padding:18px 6px 6px;
  display:flex; gap:10px; justify-content:center; flex-wrap:wrap;
  color:#8fa4ca; font-size:13px; opacity:.9;
}
.sep{opacity:.55}


.selectWrap{
  display:flex; align-items:center; gap:8px;
  padding:10px 12px;
  border-radius:14px;
  background:rgba(15,22,38,.5);
  box-shadow: inset 0 0 0 1px rgba(43,58,87,.55);
  color:#cfe2ff;
  font-weight:900;
  font-size:12px;
}
.selectWrap span{opacity:.9}
.selectWrap select{
  background:#0f1626;
  color:var(--text);
  border:1px solid rgba(42,59,96,.95);
  border-radius:12px;
  padding:8px 10px;
  font-weight:900;
  outline:none;
}
.selectWrap select:focus{ border-color: rgba(106,227,255,.55); box-shadow: 0 0 0 4px rgba(106,227,255,.10); }

.cpsBox{
  width:min(420px, 100%);
  padding:12px 14px;
  border-radius:16px;
  background:rgba(15,22,38,.55);
  box-shadow: inset 0 0 0 1px rgba(43,58,87,.65);
  text-align:center;
}
.cpsLabel{font-weight:1000; font-size:12px; color:#bfefff; opacity:.95}
.cpsValue{margin-top:4px; font-weight:1000; font-size:22px}
.cpsValue small{font-size:12px; color:var(--muted); font-weight:900}
.cpsSub{margin-top:6px; font-size:12.5px; color:var(--muted)}