:root {
  color-scheme: light dark;
  --bg: #0b0d12;
  --panel: #141822;
  --border: #262c3a;
  --text: #e6e9ef;
  --muted: #8b93a7;
  --accent: #4f8cff;
  --ok: #37c976;
  --warn: #f2b84b;
  --err: #ef5b5b;
}

* {
  box-sizing: border-box;
}

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

.nav {
  display: flex;
  gap: 1.5rem;
  padding: 1rem 2rem;
  border-bottom: 1px solid var(--border);
}

.nav a {
  color: var(--muted);
  text-decoration: none;
  font-weight: 600;
}

.nav a.active {
  color: var(--text);
}

main {
  max-width: 960px;
  margin: 0 auto;
  padding: 2rem;
}

h1 {
  font-size: 1.4rem;
  margin-bottom: 1.5rem;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th, td {
  text-align: left;
  padding: 0.6rem 0.8rem;
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
}

th {
  color: var(--muted);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.03em;
}

.badge {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
}

.badge.ok { background: rgba(55,201,118,0.15); color: var(--ok); }
.badge.muted { background: rgba(139,147,167,0.15); color: var(--muted); }
.badge.warn { background: rgba(242,184,75,0.15); color: var(--warn); }
.badge.err { background: rgba(239,91,91,0.15); color: var(--err); }

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1rem 1.25rem;
  margin-bottom: 1rem;
}

.add-channel-form {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.add-channel-form input {
  flex: 1;
  min-width: 160px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.5rem 0.7rem;
  color: var(--text);
  font-size: 0.9rem;
}

.add-channel-form input:focus {
  outline: none;
  border-color: var(--accent);
}

.add-channel-form button {
  background: var(--accent);
  border: none;
  border-radius: 6px;
  padding: 0.5rem 1rem;
  color: #fff;
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
}

.add-channel-form button:hover {
  opacity: 0.9;
}

.card-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 0.5rem;
}

.mono {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.8rem;
  color: var(--muted);
}

.transcript-preview {
  margin-top: 0.5rem;
  font-size: 0.85rem;
  color: var(--text);
  line-height: 1.4;
}

.empty {
  color: var(--muted);
  font-size: 0.9rem;
}