*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg-primary: #1e1e1e;
  --bg-secondary: #252525;
  --bg-card: #2d2d2d;
  --border: #3a3a3a;
  --text-primary: #e0e0e0;
  --text-secondary: #888;
  --accent: #0d7377;
  --accent-hover: #0f8a8e;
  --danger: #c0392b;
  --danger-hover: #e74c3c;
  --success: #27ae60;
  --success-hover: #2ecc71;
  --warning: #f0ad4e;
  --radius: 6px;
  --transition: 0.2s ease;
}

html { height: 100%; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Ubuntu, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  height: 100%;
  font-size: 14px;
  line-height: 1.5;
}

#app {
  display: flex;
  flex-direction: column;
  height: 100vh;
}

header {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  padding: 12px 24px;
  display: flex;
  align-items: center;
  gap: 16px;
  flex-shrink: 0;
}

header h1 { font-size: 18px; font-weight: 600; }
header h1 i { margin-right: 8px; color: var(--accent); }

.badge {
  padding: 4px 12px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 600;
}

.badge-offline { background: #4a1a1a; color: var(--danger-hover); }
.badge-online { background: #1a4a2a; color: var(--success-hover); }
.badge-connecting { background: #4a3a1a; color: var(--warning); }

#content {
  display: flex;
  flex: 1;
  overflow: hidden;
}

#sidebar {
  width: 320px;
  flex-shrink: 0;
  padding: 16px;
  background: var(--bg-secondary);
  border-right: 1px solid var(--border);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

#main-content {
  flex: 1;
  padding: 16px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
}

.card h3 {
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-secondary);
  margin-bottom: 12px;
}

.card h3 i { margin-right: 6px; }

.form-group { margin-bottom: 10px; }

.form-group label {
  display: block;
  font-size: 12px;
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.form-group input {
  width: 100%;
  padding: 8px 10px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text-primary);
  font-size: 13px;
  outline: none;
  transition: border-color var(--transition);
}

.form-group input:focus { border-color: var(--accent); }

.btn-group {
  display: flex;
  gap: 8px;
  margin-top: 8px;
  flex-wrap: wrap;
}

.btn {
  padding: 8px 16px;
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: 13px;
  cursor: pointer;
  transition: all var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 500;
}

.btn i { font-size: 12px; }

.btn:disabled { opacity: 0.4; cursor: not-allowed; }

.btn-primary {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
}

.btn-primary:hover:not(:disabled) { background: var(--accent-hover); }

.btn-secondary {
  background: var(--bg-secondary);
  color: var(--text-primary);
}

.btn-secondary:hover:not(:disabled) { background: var(--border); }

.btn-stream {
  background: var(--danger);
  color: white;
  border-color: var(--danger);
  flex: 1;
}

.btn-stream:hover:not(:disabled) { background: var(--danger-hover); }

.btn-stream.active {
  background: var(--success);
  border-color: var(--success);
}

.btn-stream.active:hover:not(:disabled) { background: var(--success-hover); }

.btn-record {
  background: var(--danger);
  color: white;
  border-color: var(--danger);
  flex: 1;
}

.btn-record:hover:not(:disabled) { background: var(--danger-hover); }

.btn-record.active {
  background: var(--danger-hover);
  box-shadow: 0 0 8px rgba(231, 76, 60, 0.5);
}

.status-text {
  font-size: 12px;
  margin-top: 8px;
  color: var(--text-secondary);
}

.stats { margin-top: 10px; }

.stat {
  display: flex;
  justify-content: space-between;
  padding: 4px 0;
  font-size: 12px;
  border-bottom: 1px solid var(--border);
}

.stat:last-child { border-bottom: none; }

.stat-label { color: var(--text-secondary); }

.item-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
  max-height: 200px;
  overflow-y: auto;
}

.item {
  padding: 8px 12px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 4px;
  cursor: pointer;
  transition: all var(--transition);
  font-size: 13px;
}

.item:hover { border-color: var(--accent); }

.item.active {
  border-color: var(--accent);
  background: rgba(13, 115, 119, 0.15);
  color: white;
}

.source-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: 13px;
}

.source-item input[type="checkbox"] {
  accent-color: var(--accent);
  width: 16px;
  height: 16px;
  cursor: pointer;
}

.source-item label { cursor: pointer; flex: 1; }

.audio-channel {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 4px;
  margin-bottom: 4px;
}

.audio-channel .name {
  min-width: 130px;
  font-size: 13px;
  font-weight: 500;
}

.audio-channel .mute-btn {
  width: 30px;
  height: 24px;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 3px;
  background: var(--bg-primary);
  color: var(--text-primary);
  cursor: pointer;
  font-weight: bold;
  font-size: 11px;
  transition: all var(--transition);
}

.audio-channel .mute-btn.muted {
  background: var(--danger);
  border-color: var(--danger-hover);
  color: white;
}

.audio-channel input[type="range"] {
  flex: 1;
  accent-color: var(--accent);
  height: 4px;
  cursor: pointer;
}

.audio-channel .volume-label {
  width: 55px;
  text-align: right;
  font-size: 12px;
  color: var(--text-secondary);
  font-family: monospace;
}

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-secondary); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: #555; }

@media (max-width: 768px) {
  #content { flex-direction: column; }
  #sidebar { width: 100%; border-right: none; border-bottom: 1px solid var(--border); }
}