:root {
  --bg: #071433;
  --panel: #0d1f4d;
  --panel-2: #12285c;
  --line: #1f3a78;
  --text: #f2f6ff;
  --muted: #a9bce0;
  --gold: #1ec8f0;      /* brand accent: Net cyan */
  --gold-ink: #04122e;
  --green: #3fb27f;
  --red: #e5534b;
  --radius: 12px;
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body {
  background: var(--bg);
  color: var(--text);
  font: 15px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
.hidden { display: none !important; }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.error { color: var(--red); min-height: 1.2em; }
.row { display: flex; align-items: center; }
.gap { gap: 10px; }
.end { justify-content: flex-end; }
h2, h3 { margin: 0 0 12px; }
.section-title { margin: 28px 0 12px; }

button, input {
  font: inherit;
  color: inherit;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--panel-2);
  padding: 9px 14px;
}
input { width: 100%; }
input:focus { outline: 2px solid var(--gold); outline-offset: 1px; }
button { cursor: pointer; white-space: nowrap; }
button:hover { border-color: var(--muted); }
button.primary { background: var(--gold); color: var(--gold-ink); border-color: var(--gold); font-weight: 600; }
button.danger { background: transparent; border-color: var(--red); color: var(--red); }
button.ghost { background: transparent; }
button.sm { padding: 4px 9px; font-size: 12px; }
button.ok { border-color: var(--green); color: var(--green); background: transparent; }
label { display: block; margin: 12px 0; color: var(--muted); font-size: 13px; }
label input { margin-top: 6px; color: var(--text); }

.screen { min-height: 100%; }
.center { display: grid; place-items: center; padding: 16px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; }
.narrow { width: 100%; max-width: 360px; }
.brand { font-weight: 700; font-size: 20px; letter-spacing: .5px; }
.logo { width: 34px; height: 34px; border-radius: 9px; vertical-align: middle; margin-right: 6px; }
.logo-lg { width: 84px; height: 84px; border-radius: 22px; display: block; margin: 0 auto 10px; }
.net { color: var(--gold); }
.tagline { text-align: center; color: var(--gold); font-size: 12px; font-weight: 700; letter-spacing: 3px; margin: 4px 0 0; }
.wrap { max-width: 900px; margin: 0 auto; padding: 24px 16px; }
.wrap form.row { gap: 10px; }
.wrap form.row input { flex: 1; }

.topbar {
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 10px;
  padding: 12px 16px; border-bottom: 1px solid var(--line); background: var(--panel);
  position: sticky; top: 0; z-index: 5;
}
.topbar .title { font-weight: 600; }

.meeting-list { display: grid; gap: 10px; }
.meeting {
  display: flex; justify-content: space-between; align-items: center; gap: 10px; flex-wrap: wrap;
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px;
}
.code { font-family: ui-monospace, Menlo, monospace; font-size: 20px; letter-spacing: 3px; color: var(--gold); }

.live-layout { display: grid; grid-template-columns: 1fr 320px; gap: 16px; padding: 16px; }
@media (max-width: 900px) { .live-layout { grid-template-columns: 1fr; } }

.stage-main {
  aspect-ratio: 16/9; background: #030b22; border-radius: var(--radius); overflow: hidden;
  display: grid; place-items: center; border: 1px solid var(--line);
}
.stage-main video { width: 100%; height: 100%; object-fit: contain; }
.placeholder { color: var(--muted); }
.stage-strip { display: flex; gap: 10px; margin: 10px 0; overflow-x: auto; }
.stage-strip .tile { width: 200px; flex: none; }

.grid-head { display: flex; align-items: center; gap: 12px; margin: 18px 0 10px; flex-wrap: wrap; }
.grid-head h3 { margin: 0; }
.grid-head input { max-width: 220px; padding: 6px 10px; }
.pager { margin-left: auto; display: flex; align-items: center; gap: 6px; }

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 10px; }
.tile {
  background: var(--panel-2); border: 1px solid var(--line); border-radius: 10px; overflow: hidden;
  display: flex; flex-direction: column;
}
.tile.speaking { border-color: var(--green); box-shadow: 0 0 0 1px var(--green); }
.tile.hand { border-color: var(--gold); }
.tile .media { aspect-ratio: 4/3; background: #030b22; display: grid; place-items: center; position: relative; }
.tile .media video { width: 100%; height: 100%; object-fit: cover; }
.avatar {
  width: 54px; height: 54px; border-radius: 50%; background: var(--line);
  display: grid; place-items: center; font-weight: 700; font-size: 20px;
}
.tile .flags { position: absolute; top: 6px; right: 6px; display: flex; gap: 4px; }
.flag { background: rgba(3,11,34,.7); border-radius: 6px; padding: 1px 6px; font-size: 12px; }
.tile .info { padding: 8px; }
.tile .name { font-size: 13px; font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.tile .actions { display: flex; flex-wrap: wrap; gap: 4px; margin-top: 6px; }

.side-col { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; align-self: start; position: sticky; top: 80px; }
.badge { background: var(--gold); color: var(--gold-ink); border-radius: 999px; padding: 0 8px; font-size: 13px; }
.hands { display: grid; gap: 8px; max-height: 70vh; overflow: auto; }
.hand-row { display: flex; justify-content: space-between; align-items: center; gap: 6px; background: var(--panel-2); border-radius: 8px; padding: 8px 10px; }
.hand-row .name { font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

dialog { background: var(--panel); color: var(--text); border: 1px solid var(--line); border-radius: var(--radius); max-width: 520px; width: calc(100% - 32px); }
dialog::backdrop { background: rgba(3,11,34,.7); }
.copy { display: flex; gap: 6px; margin-top: 6px; }

.toast {
  position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%);
  background: var(--panel-2); border: 1px solid var(--line); padding: 10px 16px; border-radius: 10px; z-index: 20;
}

.status { font-size: 13px; padding: 6px 10px; border-radius: 999px; border: 1px solid var(--line); }
.status.on { color: var(--green); border-color: var(--green); }
.status.off { color: var(--muted); }
details summary { cursor: pointer; margin: 8px 0; }

dialog.wide { max-width: 640px; }
select { font: inherit; color: var(--text); background: var(--panel-2); border: 1px solid var(--line); border-radius: 8px; padding: 9px 12px; width: 100%; margin-top: 6px; }
label.check { display: flex; gap: 8px; align-items: center; color: var(--text); }
label.check input { width: auto; margin: 0; }
.dest-list { display: grid; gap: 8px; margin: 10px 0; }
.dest { display: flex; align-items: center; gap: 10px; background: var(--panel-2); border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; flex-wrap: wrap; }
.dest .who { flex: 1; min-width: 160px; }
.dest .who b { display: block; }
.chip { font-size: 12px; border-radius: 999px; padding: 2px 9px; border: 1px solid var(--line); }
.chip.live { color: var(--green); border-color: var(--green); }
.chip.retrying { color: var(--gold); border-color: var(--gold); }
.chip.waiting, .chip.off { color: var(--muted); }
.toggle.on { background: var(--green); border-color: var(--green); color: #06140d; font-weight: 700; }