:root {
  color-scheme: light dark;
  --bg: #0d1117;
  --card: #161b22;
  --muted: #8b949e;
  --accent: #4ade80;
  --accent-2: #60a5fa;
  --border: #21262d;
  --text: #e6edf3;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: radial-gradient(circle at 20% 20%, rgba(96,165,250,0.08), transparent 25%),
              radial-gradient(circle at 80% 0%, rgba(74,222,128,0.08), transparent 25%),
              var(--bg);
  color: var(--text);
}

header {
  border-bottom: 1px solid var(--border);
  padding: 24px;
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

h1 {
  margin: 0 0 4px;
  font-size: 24px;
}

.subtitle {
  margin: 0;
  color: var(--muted);
}

.status {
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: #1f2937;
  font-weight: 600;
  min-width: 88px;
  text-align: center;
}

.status.live { color: #22c55e; border-color: rgba(34,197,94,0.4); }
.status.loading { color: #fbbf24; border-color: rgba(251,191,36,0.4); }
.status.offline { color: #f87171; border-color: rgba(248,113,113,0.4); }
.status.preview { color: #a78bfa; border-color: rgba(167,139,250,0.5); }

main {
  padding: 28px 20px 60px;
  max-width: 1100px;
  margin: 0 auto;
}

.player-card {
  background: linear-gradient(145deg, rgba(32,38,50,0.9), rgba(22,27,34,0.95));
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: 0 30px 120px rgba(0,0,0,0.35);
  padding: 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.player-panel video {
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #0b0f17;
  border: 1px solid var(--border);
  border-radius: 12px;
}

.hint {
  margin-top: 8px;
  color: var(--muted);
  font-size: 14px;
}

.quick-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 12px;
}

.control-panel form {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

label { font-weight: 600; }

input[type="url"],
input[type="text"] {
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: #0b1220;
  color: var(--text);
  width: 100%;
}

.field-help {
  margin: 0;
  font-size: 13px;
  color: var(--muted);
}

button {
  padding: 12px 14px;
  border-radius: 10px;
  border: none;
  cursor: pointer;
  font-weight: 700;
  color: #0b0f17;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 10px 30px rgba(96,165,250,0.25);
}

button.secondary {
  background: #111827;
  color: var(--text);
  border: 1px solid var(--border);
  box-shadow: none;
}

.quick-actions button {
  flex: 1;
  min-width: 180px;
}

.diagnostics {
  margin-top: 24px;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 16px;
}

.metrics {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  background: rgba(255, 255, 255, 0.02);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px;
}

.metric {
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: #0b0f17;
}

.metric-label {
  color: var(--muted);
  font-size: 13px;
  margin-bottom: 4px;
}

.metric-value {
  font-weight: 700;
  font-size: 16px;
}

.log {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  background: #0b0f17;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.log-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
}

.log-hint {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.log-entries {
  display: grid;
  gap: 6px;
  max-height: 210px;
  overflow-y: auto;
}

.log-entry {
  padding: 10px;
  border-radius: 8px;
  border: 1px dashed var(--border);
  background: rgba(255, 255, 255, 0.02);
  font-size: 14px;
}

.chat {
  margin-top: 18px;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  background: rgba(255, 255, 255, 0.02);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.chat-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
}

.chat-hint {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.chat-config {
  border: 1px dashed var(--border);
  border-radius: 12px;
  padding: 12px;
  background: rgba(255, 255, 255, 0.02);
  display: grid;
  gap: 12px;
  grid-template-columns: 2fr 1fr auto;
  align-items: end;
}

.chat-config-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.chat-config-field.small input {
  max-width: 160px;
}

.eyebrow {
  color: var(--accent-2);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
  font-size: 12px;
  margin: 0;
}

.chat-pill {
  padding: 6px 12px;
  border-radius: 999px;
  background: #111827;
  border: 1px solid var(--border);
  font-weight: 700;
  color: var(--muted);
}

.chat-pill.live {
  color: #22c55e;
  border-color: rgba(34, 197, 94, 0.4);
}

.chat-feed {
  min-height: 120px;
  max-height: 240px;
  overflow-y: auto;
  display: grid;
  gap: 8px;
  padding: 8px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: #0b0f17;
}

.chat-row {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-radius: 8px;
  border: 1px dashed var(--border);
  background: rgba(255, 255, 255, 0.02);
}

.chat-name {
  font-weight: 700;
}

.chat-text {
  color: var(--text);
}

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

.chat-form {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.chat-inputs {
  display: grid;
  grid-template-columns: minmax(140px, 0.4fr) 1fr;
  gap: 10px;
}

.chat-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}

.chat-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--muted);
  font-size: 13px;
  margin-right: auto;
}

.how-to {
  margin-top: 24px;
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 18px;
  background: linear-gradient(135deg, rgba(96,165,250,0.08), rgba(74,222,128,0.05));
  display: grid;
  gap: 12px;
}

.how-to-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.how-to ol {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 10px;
}

@media (max-width: 900px) {
  .player-card {
    grid-template-columns: 1fr;
  }

  .diagnostics {
    grid-template-columns: 1fr;
  }

  .chat-config {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  header {
    padding: 18px 16px;
  }

  h1 {
    font-size: 20px;
  }

  .subtitle {
    font-size: 14px;
  }

  main {
    padding: 20px 14px 48px;
  }

  .player-card {
    padding: 18px;
  }

  .quick-actions {
    flex-direction: column;
  }

  .quick-actions button,
  .control-panel form button,
  .chat-actions button,
  .chat-config button {
    width: 100%;
  }

  .diagnostics,
  .chat,
  .how-to {
    padding: 14px;
  }

  .chat-inputs,
  .chat-row {
    grid-template-columns: 1fr;
    align-items: flex-start;
  }

  .chat-row .chat-time {
    justify-self: flex-start;
  }
}