:root {
  --bg: #0e1116;
  --panel: #161b22;
  --text: #e6edf3;
  --muted: #8b949e;
  --accent: #3fb950;
  --border: #30363d;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

.topbar {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border);
}

.topbar h1 {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 600;
}

main {
  max-width: 960px;
  margin: 0 auto;
  padding: 1rem;
}

.player-wrap {
  position: relative;
  width: 100%;
  background: #000;
  border-radius: 8px;
  overflow: hidden;
  aspect-ratio: 16 / 9;
}

video {
  width: 100%;
  height: 100%;
  display: block;
  background: #000;
}

.overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  background: rgba(0, 0, 0, 0.6);
  text-align: center;
  padding: 1rem;
}

.overlay.hidden {
  display: none;
}

.overlay p {
  margin: 0;
  color: var(--text);
  font-size: 1rem;
}

.overlay button {
  background: var(--accent);
  color: #04210b;
  border: none;
  border-radius: 6px;
  padding: 0.5rem 1.25rem;
  font-weight: 600;
  cursor: pointer;
}

.overlay button.hidden {
  display: none;
}

#channel-list-section {
  margin-top: 1.5rem;
}

#channel-list-section.hidden {
  display: none;
}

#channel-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.5rem;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
}

#channel-list a {
  display: block;
  padding: 0.75rem 1rem;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  text-decoration: none;
}

#channel-list a:hover {
  border-color: var(--accent);
}

footer {
  text-align: center;
  color: var(--muted);
  font-size: 0.8rem;
  padding: 2rem 1rem;
}