:root {
  --bg-main: #090d16;
  --bg-card: #111827;
  --bg-card-hover: #162032;
  --border-color: #1e293b;
  --border-bright: #334155;
  --text-main: #f1f5f9;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  --accent-blue: #38bdf8;
  --accent-indigo: #6366f1;
  --accent-purple: #a855f7;
  --accent-green: #22c55e;
  --accent-orange: #f97316;
  --accent-red: #ef4444;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

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

body {
  background-color: var(--bg-main);
  color: var(--text-main);
  font-family: var(--font-family);
  line-height: 1.5;
  min-height: 100vh;
  padding: 20px;
}

.app-container {
  max-width: 1400px;
  margin: 0 auto;
}

/* Header */
.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 24px;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  margin-bottom: 20px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 16px;
}

.brand-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
}

.brand-title {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.highlight {
  color: var(--accent-blue);
}

.brand-subtitle {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.header-actions {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: var(--radius-md);
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.15s ease;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-indigo));
  color: #fff;
}
.btn-primary:hover {
  opacity: 0.92;
  transform: translateY(-1px);
}

.btn-secondary {
  background-color: #1e293b;
  color: var(--text-main);
  border: 1px solid var(--border-bright);
}
.btn-secondary:hover {
  background-color: #273549;
}

.btn-rss {
  background-color: #172033;
  color: var(--accent-orange);
  border: 1px solid #7c2d12;
}
.btn-rss:hover {
  background-color: #232d44;
}

.podcast-subscribe-group {
  display: flex;
  gap: 6px;
  align-items: center;
}

.btn-pocketcasts {
  background-color: #f43f5e;
  color: white;
  text-decoration: none;
  font-size: 0.8rem;
  padding: 8px 12px;
  border-radius: var(--radius-md);
  font-weight: 600;
  transition: opacity 0.15s ease;
}
.btn-pocketcasts:hover {
  opacity: 0.9;
}

.btn-apple {
  background-color: #9333ea;
  color: white;
  text-decoration: none;
  font-size: 0.8rem;
  padding: 8px 12px;
  border-radius: var(--radius-md);
  font-weight: 600;
  transition: opacity 0.15s ease;
}
.btn-apple:hover {
  opacity: 0.9;
}

.btn-action {
  padding: 6px 12px;
  font-size: 0.8rem;
  border-radius: var(--radius-sm);
  background-color: #1e293b;
  color: var(--text-main);
  border: 1px solid var(--border-color);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all 0.15s ease;
}
.btn-action:hover {
  background-color: #283548;
}

.btn-deeper {
  background: linear-gradient(135deg, #4f46e5, #7c3aed);
  color: white;
  border: none;
  font-weight: 600;
}
.btn-deeper:hover {
  background: linear-gradient(135deg, #4338ca, #6d28d9);
}

.btn-tune {
  color: var(--accent-blue);
}
.btn-mute {
  color: var(--accent-orange);
}

/* Priority Banner */
.priority-banner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 20px;
  background: linear-gradient(90deg, #172554, #1e1b4b);
  border: 1px solid #3b82f6;
  border-radius: var(--radius-md);
  margin-bottom: 20px;
}

.banner-content {
  display: flex;
  align-items: center;
  gap: 16px;
}

.banner-badge {
  background-color: #2563eb;
  color: white;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 4px 8px;
  border-radius: 4px;
  letter-spacing: 0.05em;
}

.banner-text {
  display: flex;
  flex-direction: column;
}

.banner-focus {
  font-size: 0.8rem;
  color: #93c5fd;
}

.banner-status-tag {
  font-size: 0.78rem;
  color: #60a5fa;
  font-weight: 600;
}

/* Grid Layout */
.deck-grid {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 20px;
}

@media (max-width: 1024px) {
  .deck-grid {
    grid-template-columns: 1fr;
  }
}

/* Audio Deck Card */
.audio-deck-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 20px;
  margin-bottom: 24px;
}

.deck-meta {
  margin-bottom: 12px;
}

.channel-pill {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--accent-blue);
  background-color: #0c4a6e;
  padding: 2px 8px;
  border-radius: 4px;
  margin-bottom: 6px;
}

.deck-title {
  font-size: 1.25rem;
  font-weight: 700;
}

.deck-timeline {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.seek-slider {
  flex: 1;
  accent-color: var(--accent-blue);
  cursor: pointer;
}

.deck-controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.control-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.btn-icon {
  background: none;
  border: none;
  font-size: 1.25rem;
  cursor: pointer;
  color: var(--text-main);
  padding: 6px;
}

.btn-play {
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-indigo));
  border: none;
  color: white;
  font-size: 1.2rem;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.control-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.btn-toggle {
  background-color: #1e293b;
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 6px 12px;
  font-size: 0.8rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
}
.btn-toggle.active {
  border-color: var(--accent-blue);
  color: var(--accent-blue);
}

.speed-selector {
  display: flex;
  background-color: #1e293b;
  border-radius: var(--radius-sm);
  padding: 2px;
}

.speed-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 0.75rem;
  padding: 4px 8px;
  cursor: pointer;
  border-radius: 4px;
}
.speed-btn.active {
  background-color: var(--accent-indigo);
  color: white;
}

/* Segments Deck */
.segments-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 14px;
}

.subtext {
  font-size: 0.82rem;
  color: var(--text-muted);
}

.segments-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.segment-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px;
  transition: border-color 0.15s ease;
}
.segment-card.active-playing {
  border-color: var(--accent-blue);
  box-shadow: 0 0 16px rgba(56, 189, 248, 0.15);
}

.segment-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.segment-channel {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.segment-duration {
  font-size: 0.78rem;
  color: var(--text-dim);
  font-family: monospace;
}

.segment-title {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 8px;
  cursor: pointer;
}
.segment-title:hover {
  color: var(--accent-blue);
}

.segment-summary {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 14px;
}

.segment-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.deep-dive-panel {
  margin-top: 14px;
  padding: 14px;
  background-color: #0f172a;
  border: 1px solid #4338ca;
  border-radius: var(--radius-sm);
}

.deep-dive-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.deep-dive-title {
  font-size: 0.9rem;
  font-weight: 700;
  color: #818cf8;
}

.deep-dive-body {
  font-size: 0.85rem;
  color: #cbd5e1;
  white-space: pre-line;
}

/* Citations & Sources */
.sources-list {
  margin-top: 10px;
  font-size: 0.8rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border-color);
  padding-top: 8px;
}

.sources-list a {
  color: var(--accent-blue);
  text-decoration: none;
}
.sources-list a:hover {
  text-decoration: underline;
}

/* Sidebar Cards */
.sidebar-column {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.sidebar-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 18px;
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
}

.badge {
  background-color: #1e293b;
  font-size: 0.75rem;
  padding: 2px 8px;
  border-radius: 12px;
  color: var(--text-muted);
}

.card-caption {
  font-size: 0.8rem;
  color: var(--text-dim);
  margin-bottom: 14px;
}

.channels-stack {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.channel-row {
  background-color: #0b1120;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
}

.channel-row-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.channel-weight-tag {
  color: var(--accent-blue);
  font-family: monospace;
  font-weight: 700;
}

.channel-sources-count {
  font-size: 0.75rem;
  color: var(--text-dim);
}

.channel-row-controls {
  margin-top: 6px;
  display: flex;
  gap: 6px;
}

.queue-stack {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.queue-card {
  background-color: #0b1120;
  border-left: 3px solid var(--accent-blue);
  border-radius: var(--radius-sm);
  padding: 10px;
  font-size: 0.82rem;
}

.queue-card-title {
  font-weight: 600;
  color: var(--text-main);
}

.queue-card-meta {
  color: var(--text-dim);
  font-size: 0.75rem;
  margin-top: 4px;
}

/* Modals */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.modal-backdrop.hidden {
  display: none;
}

.modal-dialog {
  background-color: var(--bg-card);
  border: 1px solid var(--border-bright);
  border-radius: var(--radius-lg);
  width: 90%;
  max-width: 520px;
  overflow: hidden;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-color);
}

.btn-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.5rem;
  cursor: pointer;
}

.modal-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.modal-body label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
}

.form-control {
  background-color: #0b1120;
  border: 1px solid var(--border-bright);
  color: var(--text-main);
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-family: inherit;
}
.form-control:focus {
  outline: none;
  border-color: var(--accent-blue);
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 10px;
}

/* Toasts */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 9999;
}

.toast {
  background-color: #1e293b;
  border-left: 4px solid var(--accent-blue);
  color: var(--text-main);
  padding: 12px 18px;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
  animation: slideIn 0.2s ease-out;
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hidden {
  display: none !important;
}