:root {
  --bg: #0f1117;
  --panel: #171a23;
  --panel-2: #1f2330;
  --border: #2a2f3d;
  --text: #e8eaf0;
  --muted: #8b91a3;
  --accent: #7c5cff;
  --accent-2: #9b82ff;
  --ok: #2ecc8f;
  --warn: #f2b84b;
  --danger: #ff5c6c;
  --radius: 14px;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: radial-gradient(1200px 600px at 50% -200px, #1d1838 0%, var(--bg) 60%) fixed, var(--bg);
  color: var(--text);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  min-height: 100vh;
}
[hidden] { display: none !important; }

.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px max(16px, env(safe-area-inset-left));
  border-bottom: 1px solid var(--border);
  background: rgba(15, 17, 23, .7); backdrop-filter: blur(8px);
  position: sticky; top: 0; z-index: 5;
}
.brand { color: var(--text); text-decoration: none; font-weight: 700; letter-spacing: .2px; }

main { max-width: 860px; margin: 0 auto; padding: 24px 16px 48px; }
h1 { font-size: clamp(1.5rem, 4vw, 2.1rem); line-height: 1.2; margin: 8px 0; }
h2 { font-size: 1.1rem; margin: 0 0 10px; }
.muted { color: var(--muted); }
.small { font-size: .85rem; }

.card {
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 18px; margin-top: 16px;
}
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.grid2 .card { display: flex; flex-direction: column; gap: 10px; }
.grid2 .card .btn { margin-top: auto; }

label { display: block; font-size: .9rem; color: var(--muted); margin-bottom: 6px; }
input:not([type=range]) {
  width: 100%; padding: 11px 12px; border-radius: 10px; border: 1px solid var(--border);
  background: var(--panel-2); color: var(--text); font: inherit; outline: none;
}
input:focus { border-color: var(--accent); }
.code-input { text-transform: uppercase; letter-spacing: 6px; font-family: ui-monospace, Consolas, monospace; font-size: 1.2rem; }
input[type=range] { width: 100%; accent-color: var(--accent); }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 11px 18px; border-radius: 10px; border: 1px solid var(--border);
  background: var(--panel-2); color: var(--text); font: inherit; font-weight: 600; cursor: pointer;
  transition: background .15s, transform .05s, border-color .15s;
}
.btn:hover { border-color: var(--accent); }
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-2); }
.btn-danger { background: transparent; border-color: var(--danger); color: var(--danger); }
.btn-ghost { background: transparent; }
.btn-small { padding: 7px 12px; font-size: .9rem; }
.btn-big { width: 100%; padding: 16px; font-size: 1.15rem; }
.row { display: flex; gap: 10px; flex-wrap: wrap; }

.pill {
  display: inline-flex; align-items: center; gap: 6px; padding: 4px 10px; border-radius: 999px;
  font-size: .82rem; background: var(--panel-2); border: 1px solid var(--border); white-space: nowrap;
}
.pill::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--muted); }
.pill-ok::before { background: var(--ok); box-shadow: 0 0 8px var(--ok); }
.pill-wait::before { background: var(--warn); }
.pill-bad::before { background: var(--danger); }
.pill-live::before { background: var(--danger); animation: pulse 1.2s infinite; }
@keyframes pulse { 50% { opacity: .3; } }

.room-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 12px; flex-wrap: wrap; }
.room-code { font-family: ui-monospace, Consolas, monospace; font-size: 2rem; letter-spacing: 6px; font-weight: 700; }
.room-actions { display: flex; gap: 8px; }
.status-row { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 14px; }

.error { color: var(--danger); background: rgba(255, 92, 108, .08); border: 1px solid rgba(255, 92, 108, .3); padding: 10px 12px; border-radius: 10px; }

.meter { height: 8px; background: var(--panel-2); border-radius: 99px; overflow: hidden; margin-top: 14px; }
#meter-bar { height: 100%; width: 0; background: linear-gradient(90deg, var(--ok), var(--warn), var(--danger)); transition: width .08s linear; }

.peer-list { list-style: none; padding: 0; margin: 14px 0 0; display: grid; gap: 6px; }
.peer-list li { display: flex; justify-content: space-between; gap: 10px; padding: 8px 12px; background: var(--panel-2); border-radius: 10px; font-size: .9rem; }

#player { margin-top: 14px; }

.chat .messages { list-style: none; padding: 0; margin: 0 0 12px; max-height: 280px; min-height: 80px; overflow-y: auto; display: flex; flex-direction: column; gap: 6px; }
.messages li { background: var(--panel-2); padding: 7px 11px; border-radius: 10px; word-wrap: break-word; }
.messages li.sys { background: transparent; color: var(--muted); font-size: .85rem; font-style: italic; padding: 2px 4px; }
.messages .who { font-weight: 600; margin-right: 6px; color: var(--accent-2); }
.messages .who.host { color: var(--ok); }
.messages .time { color: var(--muted); font-size: .75rem; margin-left: 6px; }
.chat-form { display: flex; gap: 8px; }
.chat-form input { flex: 1; }

.toast {
  position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%);
  background: var(--panel-2); border: 1px solid var(--border); padding: 10px 16px; border-radius: 10px;
  box-shadow: 0 8px 30px rgba(0,0,0,.4); z-index: 10; max-width: calc(100% - 32px);
}

@media (max-width: 640px) {
  .grid2 { grid-template-columns: 1fr; }
  .room-code { font-size: 1.6rem; }
  main { padding-top: 16px; }
}