:root {
  --bg: #07060a;
  --bg-2: #110e14;
  --panel: rgba(22, 18, 24, 0.86);
  --line: rgba(232, 196, 132, 0.18);
  --gold: #e8c484;
  --gold-2: #b8894a;
  --velvet: #7a1f2e;
  --crimson: #c4454a;
  --text: #f4ead8;
  --muted: #9a8e7c;
  --ok: #7dba8a;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.45);
  --radius: 18px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
  color: var(--text);
  background: var(--bg);
  font-family: "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
}

body {
  background:
    radial-gradient(1200px 500px at 50% -10%, rgba(196, 69, 74, 0.22), transparent 55%),
    radial-gradient(900px 600px at 100% 100%, rgba(184, 137, 74, 0.12), transparent 50%),
    var(--bg);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.07;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  z-index: 8;
}

a { color: var(--gold); text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }

.wrap {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 0 8px;
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 10px;
  letter-spacing: 0.18em;
}

.brand strong {
  font-family: "Songti SC", "STSong", "Noto Serif SC", serif;
  font-size: 22px;
  font-weight: 600;
}

.brand span { color: var(--muted); font-size: 12px; letter-spacing: 0.28em; }

.hero {
  padding: 48px 0 28px;
  text-align: center;
}

.hero h1 {
  margin: 0;
  font-family: "Songti SC", "STSong", "Noto Serif SC", serif;
  font-size: clamp(36px, 6vw, 68px);
  font-weight: 600;
  letter-spacing: 0.12em;
}

.hero p {
  margin: 14px 0 0;
  color: var(--muted);
  letter-spacing: 0.18em;
}

.beam {
  width: min(420px, 70%);
  height: 2px;
  margin: 28px auto 0;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  box-shadow: 0 0 24px var(--gold);
}

.grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 22px;
  padding-bottom: 64px;
}

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 22px;
  backdrop-filter: blur(16px);
}

.card h2 {
  margin: 0 0 16px;
  font-size: 16px;
  letter-spacing: 0.2em;
  color: var(--gold);
  font-weight: 500;
}

label {
  display: block;
  margin: 12px 0 6px;
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.12em;
}

input, select, textarea {
  width: 100%;
  border: 1px solid var(--line);
  background: rgba(0, 0, 0, 0.28);
  border-radius: 12px;
  padding: 12px 14px;
  outline: none;
}

input:focus, select:focus, textarea:focus {
  border-color: rgba(232, 196, 132, 0.55);
}

.row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 0;
  border-radius: 999px;
  padding: 11px 18px;
  cursor: pointer;
  background: linear-gradient(180deg, #e8c484, #c49a56);
  color: #2a1c0d;
  letter-spacing: 0.12em;
  font-weight: 650;
}

.btn.ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--line);
  font-weight: 500;
}

.btn.danger {
  background: linear-gradient(180deg, #d26568, #9c2f38);
  color: #fff;
}

.btn:disabled { opacity: 0.5; cursor: not-allowed; }

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

.room-list { display: grid; gap: 10px; }
.room-item {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255,255,255,0.02);
  cursor: pointer;
}
.room-item b { letter-spacing: 0.08em; }
.room-item small { color: var(--muted); }

.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 4px 10px;
  font-size: 12px;
  color: var(--muted);
}

.empty { color: var(--muted); padding: 18px 0; text-align: center; }

.theater-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 18px;
  flex: 0 0 auto;
}

.theater-head .actions { margin-top: 0; }

.card.compact .actions { margin-top: 10px; }

.theater {
  height: 100dvh;
  min-height: 100dvh;
  overflow: hidden;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
}

.stage {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 16px;
  padding: 0 18px 16px;
  min-height: 0;
}

.screen-wrap {
  min-width: 0;
  min-height: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.screen {
  position: relative;
  flex: 1 1 auto;
  min-height: 0;
  background: #000;
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: 0 0 0 1px rgba(232, 196, 132, 0.08), 0 30px 80px rgba(0,0,0,.55);
}

.screen video, .screen iframe, .screen .player-slot {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
  background: #000;
}

.screen video {
  object-fit: contain;
}

.share-player {
  z-index: 4;
  pointer-events: none;
}

.share-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 5;
  pointer-events: none;
  max-width: calc(100% - 24px);
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(7, 6, 10, 0.78);
  color: var(--gold);
  font-size: 12px;
  letter-spacing: 0.08em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.screen.sharing {
  box-shadow: 0 0 0 1px rgba(232, 196, 132, 0.42), 0 30px 80px rgba(0,0,0,.55);
}

#share-quality {
  width: auto;
  min-width: 148px;
  padding: 10px 12px;
  border-radius: 999px;
}

.placeholder {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  text-align: center;
  color: var(--muted);
  letter-spacing: 0.18em;
  padding: 24px;
  z-index: 2;
}

#unlock,
.unlock {
  position: absolute;
  inset: 0;
  z-index: 6;
  width: 100%;
  height: 100%;
  border: 0;
  margin: 0;
  padding: 24px;
  display: grid;
  place-items: center;
  background: rgba(0, 0, 0, 0.72);
  color: var(--gold);
  cursor: pointer;
  letter-spacing: 0.18em;
  font: inherit;
  text-align: center;
}

#unlock.hidden {
  display: none !important;
}

.buffer {
  position: absolute;
  inset: auto 0 18px;
  z-index: 3;
  text-align: center;
  color: #f3e6c4;
  letter-spacing: 0.16em;
  font-size: 13px;
  pointer-events: none;
}

.page-hint {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: 14px;
  color: var(--muted);
  font-size: 13px;
  letter-spacing: 0.04em;
  background: rgba(22, 18, 24, 0.86);
}

.page-hint .btn { flex: 0 0 auto; }

.card.compact {
  padding: 12px 16px;
  flex: 0 0 auto;
}

.controls {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 4px 2px;
  flex: 0 0 auto;
}

.controls input[type="range"] { width: 100%; }

.side {
  display: grid;
  grid-template-rows: auto 1fr auto;
  min-height: 0;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 18px;
  overflow: hidden;
}

.tabs { display: flex; border-bottom: 1px solid var(--line); }
.tabs button {
  flex: 1;
  background: transparent;
  border: 0;
  padding: 12px;
  color: var(--muted);
  cursor: pointer;
}
.tabs button.active { color: var(--gold); background: rgba(232, 196, 132, 0.06); }

.chat, .members {
  overflow: auto;
  padding: 12px;
  min-height: 0;
}

.msg { margin: 0 0 10px; line-height: 1.5; font-size: 14px; }
.msg .who { color: var(--gold-2); margin-right: 6px; }
.msg.system { color: var(--muted); font-size: 12px; }

.composer {
  display: flex;
  gap: 8px;
  padding: 10px;
  border-top: 1px solid var(--line);
}

.member {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 0;
  border-bottom: 1px solid rgba(232, 196, 132, 0.08);
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  transform: translateX(-50%);
  background: #1b161c;
  border: 1px solid var(--line);
  color: var(--text);
  padding: 10px 16px;
  border-radius: 999px;
  z-index: 20;
  opacity: 0;
  pointer-events: none;
  transition: opacity .2s ease;
}
.toast.show { opacity: 1; }

.modal {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.55);
  display: grid;
  place-items: center;
  z-index: 15;
  padding: 20px;
}

.hidden { display: none !important; }

.upload-bar {
  margin-top: 10px;
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.06em;
}

.upload-bar progress {
  width: 100%;
  height: 8px;
  accent-color: var(--gold);
}

.table { width: 100%; border-collapse: collapse; font-size: 14px; }
.table th, .table td { padding: 10px 8px; border-bottom: 1px solid var(--line); text-align: left; }
.table th { color: var(--muted); font-weight: 500; }

@media (max-width: 960px) {
  .theater { height: auto; min-height: 100dvh; overflow: auto; }
  .grid, .stage, .row { grid-template-columns: 1fr; }
  .stage { height: auto; }
  .screen { min-height: 220px; aspect-ratio: 16 / 9; flex: none; }
  .side { min-height: 380px; }
}