/* Custom Design System Tokens */
:root {
  --font-family: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  
  --bg-dark: #090b10;
  --bg-card: rgba(22, 27, 38, 0.7);
  --bg-card-hover: rgba(33, 41, 57, 0.8);
  --bg-glass: rgba(15, 20, 30, 0.75);
  
  --primary: #6366f1;
  --primary-hover: #4f46e5;
  --primary-glow: rgba(99, 102, 241, 0.35);
  --accent: #10b981;
  --danger: #ef4444;
  
  --text-primary: #f3f4f6;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;
  
  --border-light: rgba(255, 255, 255, 0.08);
  --border-focus: rgba(99, 102, 241, 0.6);
  
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  
  --shadow-main: 0 10px 30px rgba(0, 0, 0, 0.5);
  --backdrop-blur: blur(16px);
}

/* Reset & Global */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-family);
  background-color: var(--bg-dark);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
  background-image: 
    radial-gradient(circle at 15% 15%, rgba(99, 102, 241, 0.12) 0%, transparent 40%),
    radial-gradient(circle at 85% 85%, rgba(16, 185, 129, 0.08) 0%, transparent 40%);
  background-attachment: fixed;
}

.app-container {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  padding-bottom: 110px; /* space for fixed player bar */
}

/* Header & Nav */
.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 2rem;
  background: var(--bg-glass);
  backdrop-filter: var(--backdrop-blur);
  -webkit-backdrop-filter: var(--backdrop-blur);
  border-bottom: 1px solid var(--border-light);
  position: sticky;
  top: 0;
  z-index: 50;
}

.logo-area {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary), #a855f7);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  box-shadow: 0 4px 14px var(--primary-glow);
}

.logo-area h1 {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, #fff 30%, #a5b4fc);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.nav-tabs {
  display: flex;
  gap: 0.5rem;
  background: rgba(0, 0, 0, 0.3);
  padding: 0.25rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-light);
}

.nav-tab {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1.1rem;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 500;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all 0.2s ease;
}

.nav-tab:hover {
  color: var(--text-primary);
}

.nav-tab.active {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 4px 12px var(--primary-glow);
}

/* Toolbar */
.toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

.search-bar {
  display: flex;
  align-items: center;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-full);
  padding: 0.5rem 1rem;
  width: 100%;
  max-width: 400px;
  gap: 0.6rem;
  transition: border-color 0.2s;
}

.search-bar:focus-within {
  border-color: var(--border-focus);
}

.search-icon {
  color: var(--text-muted);
}

.search-bar input {
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.9rem;
  width: 100%;
  outline: none;
}

.toolbar-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

select {
  background: var(--bg-card);
  color: var(--text-primary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  padding: 0.55rem 0.9rem;
  font-family: inherit;
  font-size: 0.875rem;
  outline: none;
  cursor: pointer;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 1.25rem;
  border: none;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 4px 12px var(--primary-glow);
}

.btn-primary:hover {
  background: var(--primary-hover);
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-primary);
  border: 1px solid var(--border-light);
}

.btn-secondary:hover {
  background: var(--bg-card-hover);
}

.btn-danger {
  background: rgba(239, 68, 68, 0.15);
  color: #fca5a5;
  border: 1px solid rgba(239, 68, 68, 0.3);
}

.btn-danger:hover {
  background: rgba(239, 68, 68, 0.3);
}

/* Main Content & Tab Panels */
.main-content {
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  padding: 0 2rem 2rem 2rem;
  flex: 1;
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
  animation: fadeIn 0.3s ease-out;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Status Banner */
.status-banner {
  background: rgba(99, 102, 241, 0.15);
  border: 1px solid rgba(99, 102, 241, 0.3);
  color: #c7d2fe;
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-sm);
  margin-bottom: 1.5rem;
  font-size: 0.9rem;
}

/* Episode List & Items */
.episode-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.episode-card {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  backdrop-filter: var(--backdrop-blur);
  transition: all 0.25s ease;
}

.episode-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(255, 255, 255, 0.15);
  transform: translateY(-2px);
}

.episode-card.playing {
  border-color: var(--primary);
  box-shadow: 0 0 20px var(--primary-glow);
}

.episode-artwork {
  width: 70px;
  height: 70px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  flex-shrink: 0;
  background: #1e293b;
}

.episode-details {
  flex: 1;
  min-width: 0;
}

.episode-podcast-name {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.25rem;
}

.episode-title {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.35rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.episode-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 0.5rem;
}

.episode-meta {
  display: flex;
  gap: 1rem;
  font-size: 0.775rem;
  color: var(--text-muted);
}

.btn-play-ep {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: var(--primary);
  border: none;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  transition: all 0.2s ease;
  box-shadow: 0 4px 12px var(--primary-glow);
}

.btn-play-ep:hover {
  transform: scale(1.08);
  background: var(--primary-hover);
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: 4rem 2rem;
  background: var(--bg-card);
  border: 1px dashed var(--border-light);
  border-radius: var(--radius-lg);
}

.empty-icon {
  font-size: 3.5rem;
  margin-bottom: 1rem;
}

.empty-state h3 {
  font-size: 1.4rem;
  margin-bottom: 0.5rem;
}

.empty-state p {
  color: var(--text-secondary);
  max-width: 400px;
  margin: 0 auto 1.5rem auto;
  font-size: 0.95rem;
}

/* Feeds Grid */
.feeds-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.25rem;
}

.feed-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.feed-header {
  display: flex;
  align-items: center;
  gap: 0.9rem;
}

.feed-art {
  width: 50px;
  height: 50px;
  border-radius: var(--radius-sm);
  object-fit: cover;
}

.feed-info h4 {
  font-size: 0.95rem;
  font-weight: 600;
}

.feed-info p {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.feed-actions {
  display: flex;
  justify-content: flex-end;
}

/* Settings Cards */
.settings-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  margin-bottom: 1.25rem;
}

.settings-card h3 {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

.settings-card p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

.settings-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* Fixed Sticky Player Bar */
.player-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(13, 16, 25, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-top: 1px solid var(--border-light);
  padding: 0.85rem 2rem;
  display: grid;
  grid-template-columns: 280px 1fr 180px;
  align-items: center;
  gap: 1.5rem;
  z-index: 100;
  box-shadow: 0 -10px 30px rgba(0, 0, 0, 0.6);
}

.player-track-info {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  min-width: 0;
}

#player-artwork {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  background: #1f2937;
  flex-shrink: 0;
}

.track-text {
  min-width: 0;
}

.track-title {
  font-size: 0.9rem;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.track-podcast {
  font-size: 0.775rem;
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.player-center-controls {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
}

.control-buttons {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.btn-icon {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.35rem;
  border-radius: var(--radius-full);
  transition: color 0.2s;
}

.btn-icon:hover {
  color: var(--text-primary);
}

.btn-subtext {
  position: absolute;
  font-size: 0.6rem;
  font-weight: 700;
}

.btn-play-pause {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-full);
  background: var(--text-primary);
  color: var(--bg-dark);
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: transform 0.15s ease;
}

.btn-play-pause:hover {
  transform: scale(1.06);
}

.time-scrubber {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  width: 100%;
  max-width: 520px;
}

.time-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  min-width: 36px;
}

#seek-bar {
  flex: 1;
  -webkit-appearance: none;
  appearance: none;
  height: 5px;
  background: rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-full);
  outline: none;
  cursor: pointer;
}

#seek-bar::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 8px var(--primary-glow);
  cursor: pointer;
}

.player-right-options {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.75rem;
}

.btn-pill {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid var(--border-light);
  color: var(--text-primary);
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
}

.badge {
  position: absolute;
  top: -2px;
  right: -2px;
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
}

/* Modals */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
  animation: fadeIn 0.2s ease-out;
}

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

.modal-card {
  background: var(--bg-dark);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  width: 100%;
  max-width: 480px;
  box-shadow: var(--shadow-main);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}

.modal-header h2 {
  font-size: 1.2rem;
}

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

.modal-body {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.modal-body input[type="url"] {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
  color: var(--text-primary);
  font-size: 0.95rem;
  width: 100%;
  outline: none;
}

.help-text {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.timer-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
}

.timer-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  color: var(--text-primary);
  padding: 0.75rem;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.2s;
}

.timer-btn:hover {
  background: var(--primary);
  border-color: var(--primary);
}

.fade-toggle {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.hidden {
  display: none !important;
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
  .app-header {
    padding: 1rem;
    flex-direction: column;
    gap: 0.75rem;
    align-items: stretch;
  }

  .nav-tabs {
    justify-content: space-around;
  }

  .toolbar {
    padding: 0.75rem 1rem;
  }

  .main-content {
    padding: 0 1rem 1rem 1rem;
  }

  .player-bar {
    grid-template-columns: 1fr auto;
    grid-template-rows: auto auto;
    padding: 0.75rem 1rem;
    gap: 0.5rem;
  }

  .player-track-info {
    grid-column: 1 / 2;
  }

  .player-right-options {
    grid-column: 2 / 3;
  }

  .player-center-controls {
    grid-column: 1 / 3;
    width: 100%;
  }

  .time-scrubber {
    max-width: 100%;
  }
}