:root {
  --bg: #0e0f12;
  --bg-elev: #16181d;
  --fg: #e6e7ea;
  --muted: #8b8f99;
  --border: #2a2d35;
  --accent: #5a8dee;
  --accent-fg: #ffffff;
  --ok: #4ade80;
  --err: #f87171;
  --warn: #facc15;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  font-size: 14px;
  line-height: 1.4;
  height: 100%;
}

h1 {
  margin: 0 0 4px;
  font-size: 22px;
  font-weight: 600;
}

main#setup {
  max-width: 520px;
  margin: 40px auto;
  padding: 24px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 8px;
}

section {
  margin: 16px 0;
}

label {
  display: block;
  font-size: 12px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 6px;
}

input[type="text"],
select {
  width: 100%;
  padding: 8px 10px;
  background: var(--bg);
  color: var(--fg);
  border: 1px solid var(--border);
  border-radius: 6px;
  font: inherit;
}

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

button {
  padding: 8px 14px;
  background: var(--bg);
  color: var(--fg);
  border: 1px solid var(--border);
  border-radius: 6px;
  font: inherit;
  cursor: pointer;
}

button:hover:not(:disabled) {
  border-color: var(--accent);
}

button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

button.primary {
  background: var(--accent);
  color: var(--accent-fg);
  border-color: var(--accent);
  font-weight: 600;
}

.row {
  display: flex;
  gap: 8px;
  align-items: center;
}

.row > input[type="text"] {
  flex: 1;
}

.muted { color: var(--muted); }
.small { font-size: 12px; }

.status {
  margin: 12px 0 0;
  padding: 8px 10px;
  border-radius: 6px;
  background: var(--bg);
  border: 1px solid var(--border);
  min-height: 1.4em;
  font-family: ui-monospace, SF Mono, Menlo, monospace;
  font-size: 12px;
}

.status[data-kind="ok"]  { color: var(--ok); border-color: rgba(74, 222, 128, 0.4); }
.status[data-kind="error"] { color: var(--err); border-color: rgba(248, 113, 113, 0.4); }

#viewer-link {
  word-break: break-all;
  margin: 8px 0 0;
}

#preview-wrap {
  position: fixed;
  bottom: 16px;
  right: 16px;
  width: 320px;
  border: 1px solid var(--border);
  background: #000;
  border-radius: 6px;
  overflow: hidden;
  box-shadow: 0 8px 24px rgba(0,0,0,0.4);
}

#preview {
  width: 100%;
  height: auto;
  display: block;
}

/* viewer */
.page-watch { background: #000; }
.page-watch main#setup { background: var(--bg-elev); }

#player {
  position: fixed;
  inset: 0;
  background: #000;
}

#video {
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: #000;
}

#unmute-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.5);
}

#unmute-overlay button {
  font-size: 16px;
  padding: 12px 20px;
  background: var(--accent);
  color: var(--accent-fg);
  border-color: var(--accent);
}

#stats {
  position: absolute;
  top: 12px;
  right: 12px;
  background: rgba(0, 0, 0, 0.7);
  color: var(--fg);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 6px;
  padding: 10px 12px;
  font-family: ui-monospace, SF Mono, Menlo, monospace;
  font-size: 11px;
  min-width: 220px;
  backdrop-filter: blur(8px);
}

.stats-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 2px 0;
}

.stats-row span {
  color: var(--muted);
}

.stats-row b {
  font-weight: 500;
}

#s-conn[data-kind="direct"] { color: var(--ok); }
#s-conn[data-kind="relay"]  { color: var(--warn); }

.stats-hint {
  margin-top: 6px;
  padding-top: 6px;
  border-top: 1px solid rgba(255,255,255,0.1);
  color: var(--muted);
  font-size: 10px;
  text-align: right;
}

kbd {
  background: rgba(255,255,255,0.1);
  padding: 1px 4px;
  border-radius: 3px;
  font-family: inherit;
}