/* ==========================================================================
   DREAM PLAYER - Dark Ethereal Aesthetic
   Complete CSS Stylesheet
   ========================================================================== */

/* ==========================================================================
   SECTION 1: COLOR VARIABLES & BASE THEME
   ========================================================================== */

:root {
  /* Dark Theme Backgrounds */
  --bg-primary: #0a0a0f;
  --bg-secondary: #12121a;
  --bg-tertiary: #1a1a25;
  --bg-glass: rgba(255, 255, 255, 0.03);
  --bg-glass-hover: rgba(255, 255, 255, 0.06);
  
  /* Indigo/Purple Gradients */
  --gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #a855f7 100%);
  --gradient-subtle: linear-gradient(135deg, rgba(99, 102, 241, 0.2) 0%, rgba(139, 92, 246, 0.2) 100%);
  --gradient-glow: radial-gradient(circle at 50% 50%, rgba(139, 92, 246, 0.3) 0%, transparent 70%);
  
  /* Accent Colors */
  --accent-indigo: #6366f1;
  --accent-violet: #8b5cf6;
  --accent-purple: #a855f7;
  --accent-pink: #d946ef;
  
  /* Text Colors - Ethereal Whites & Grays */
  --text-primary: #f8fafc;
  --text-secondary: #e2e8f0;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  
  /* Functional Colors */
  --success: #22c55e;
  --warning: #f59e0b;
  --error: #ef4444;
  
  /* Shadows & Effects */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 20px rgba(139, 92, 246, 0.4);
  --shadow-glow-strong: 0 0 40px rgba(139, 92, 246, 0.6);
  
  /* Spacing */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  
  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
  --transition-slow: 400ms ease;
  
  /* Z-Index Layers */
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-modal: 300;
  --z-tooltip: 400;
  --z-player: 500;
}

/* ==========================================================================
   SECTION 2: BASE RESET & TYPOGRAPHY
   ========================================================================== */

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

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, 'Roboto', sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

/* ==========================================================================
   SECTION 3: MINI PLAYER STYLES (Fixed Bottom, 80px Height)
   ========================================================================== */

/* Mini Player Container */
.dream-mini-player {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: 80px;
  background: rgba(10, 10, 15, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-top: 1px solid rgba(139, 92, 246, 0.2);
  display: flex;
  align-items: center;
  padding: 0 var(--spacing-lg);
  z-index: var(--z-player);
  box-shadow: 0 -4px 30px rgba(0, 0, 0, 0.5);
}

/* Progress Bar - Thin & Glowing */
.dream-player-progress {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: rgba(255, 255, 255, 0.1);
  cursor: pointer;
}

.dream-player-progress-bar {
  height: 100%;
  background: var(--gradient-primary);
  width: 0%;
  position: relative;
  transition: width var(--transition-fast);
}

.dream-player-progress-bar::after {
  content: '';
  position: absolute;
  right: -6px;
  top: 50%;
  transform: translateY(-50%);
  width: 12px;
  height: 12px;
  background: var(--text-primary);
  border-radius: 50%;
  box-shadow: var(--shadow-glow);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.dream-player-progress:hover .dream-player-progress-bar::after {
  opacity: 1;
}

/* Track Info Display */
.dream-player-track-info {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  flex: 1;
  min-width: 0;
}

.dream-player-artwork {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  box-shadow: var(--shadow-md);
}

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

.dream-player-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 2px;
}

.dream-player-artist {
  font-size: 0.8rem;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Control Buttons */
.dream-player-controls {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-right: var(--spacing-lg);
}

.dream-player-btn {
  width: 40px;
  height: 40px;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: all var(--transition-normal);
  position: relative;
}

.dream-player-btn:hover {
  color: var(--text-primary);
  background: var(--bg-glass-hover);
}

.dream-player-btn svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

.dream-player-btn-play {
  width: 48px;
  height: 48px;
  background: var(--gradient-primary);
  color: var(--text-primary);
  box-shadow: var(--shadow-glow);
}

.dream-player-btn-play:hover {
  transform: scale(1.05);
  box-shadow: var(--shadow-glow-strong);
}

.dream-player-btn-play svg {
  width: 24px;
  height: 24px;
}

/* Volume & Speed Controls */
.dream-player-extra {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  position: relative;
}

.dream-player-speed {
  font-size: 0.75rem;
  color: var(--text-muted);
  background: var(--bg-glass);
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-normal);
}

.dream-player-speed:hover {
  background: var(--bg-glass-hover);
  color: var(--text-secondary);
}

/* Speed Menu Dropdown */
.speed-menu {
  position: absolute;
  bottom: 100%;
  margin-bottom: 8px;
  background: var(--bg-secondary);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
  padding: 4px;
  display: none;
  flex-direction: column;
  box-shadow: var(--shadow-md);
  z-index: var(--z-dropdown);
}

.speed-menu.open {
  display: flex;
}

.speed-option {
  font-size: 0.75rem;
  color: var(--text-muted);
  background: transparent;
  border: none;
  padding: 6px 16px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.speed-option:hover {
  background: var(--bg-glass-hover);
  color: var(--text-primary);
}

.speed-option.active {
  color: var(--accent-violet);
  background: rgba(139, 92, 246, 0.1);
}

/* Volume Slider */
.dream-player-volume {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.dream-volume-slider {
  width: 80px;
  height: 4px;
  -webkit-appearance: none;
  appearance: none;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-full);
  cursor: pointer;
}

.dream-volume-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 14px;
  height: 14px;
  background: var(--text-primary);
  border-radius: 50%;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast);
}

.dream-volume-slider::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

/* ==========================================================================
   SECTION 4: RESPONSIVE - MOBILE vs DESKTOP
   ========================================================================== */

/* Desktop Styles (Default) */
@media (min-width: 769px) {
  .dream-mini-player {
    padding: 0 var(--spacing-xl);
  }
  
  .dream-player-controls {
    gap: var(--spacing-md);
  }
  
  .dream-volume-slider {
    width: 100px;
  }
}

/* Mobile Styles */
@media (max-width: 768px) {
  .dream-mini-player {
    height: 70px;
    padding: 0 var(--spacing-md);
  }
  
  .dream-player-artwork {
    width: 48px;
    height: 48px;
  }
  
  .dream-player-title {
    font-size: 0.9rem;
  }
  
  .dream-player-artist {
    font-size: 0.75rem;
  }
  
  .dream-player-controls {
    gap: var(--spacing-xs);
    margin-right: var(--spacing-md);
  }
  
  .dream-player-btn {
    width: 36px;
    height: 36px;
  }
  
  .dream-player-btn-play {
    width: 44px;
    height: 44px;
  }
  
  .dream-player-btn svg {
    width: 18px;
    height: 18px;
  }
  
  .dream-player-btn-play svg {
    width: 20px;
    height: 20px;
  }
  
  .dream-volume-slider {
    width: 60px;
  }
  
  .dream-player-speed {
    display: none;
  }
}

/* Small Mobile */
@media (max-width: 480px) {
  .dream-mini-player {
    height: 64px;
    padding: 0 var(--spacing-sm);
  }
  
  .dream-player-artwork {
    width: 40px;
    height: 40px;
  }
  
  .dream-player-btn {
    width: 32px;
    height: 32px;
  }
  
  .dream-player-btn-play {
    width: 40px;
    height: 40px;
  }
  
  .dream-volume-slider {
    width: 50px;
  }
  
  .dream-player-details {
    max-width: 120px;
  }
}

/* ==========================================================================
   SECTION 5: DREAM CARD STYLES
   ========================================================================== */

/* Dream Card Grid Container */
.dream-cards-container {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--spacing-lg);
  padding: var(--spacing-lg);
  max-width: 1400px;
  margin: 0 auto;
}

/* Individual Dream Card */
.dream-card {
  background: var(--bg-glass);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  transition: all var(--transition-slow);
  cursor: pointer;
}

.dream-card:hover {
  transform: translateY(-8px);
  border-color: rgba(139, 92, 246, 0.3);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}

/* Card Image Container with Overlay */
.dream-card-image {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
}

.dream-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.dream-card:hover .dream-card-image img {
  transform: scale(1.08);
}

/* Image Overlay */
.dream-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(10, 10, 15, 0.9) 0%,
    rgba(10, 10, 15, 0.3) 50%,
    transparent 100%
  );
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.dream-card:hover .dream-card-overlay {
  opacity: 1;
}

/* Play Button on Overlay */
.dream-card-play-btn {
  width: 64px;
  height: 64px;
  background: var(--gradient-primary);
  border: none;
  border-radius: 50%;
  color: var(--text-primary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-glow);
  transform: scale(0.8);
  transition: all var(--transition-normal);
}

.dream-card-play-btn svg {
  width: 28px;
  height: 28px;
  fill: currentColor;
  margin-left: 3px;
}

.dream-card:hover .dream-card-play-btn {
  transform: scale(1);
  box-shadow: var(--shadow-glow-strong);
}

.dream-card-play-btn:hover {
  transform: scale(1.1);
}

/* Card Content */
.dream-card-content {
  padding: var(--spacing-md);
}

.dream-card-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.dream-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-sm);
}

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

/* Weirdness Badge */
.dream-card-weirdness {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  background: var(--gradient-subtle);
  border: 1px solid rgba(139, 92, 246, 0.3);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--accent-violet);
}

.dream-card-weirdness svg {
  width: 12px;
  height: 12px;
  fill: currentColor;
}

/* ==========================================================================
   SECTION 6: ANIMATIONS
   ========================================================================== */

/* Playing Indicator - Sound Bars */
.dream-playing-indicator {
  display: none;
  align-items: flex-end;
  gap: 3px;
  height: 20px;
  margin-left: var(--spacing-sm);
}

.dream-playing-indicator.active {
  display: flex;
}

.dream-sound-bar {
  width: 3px;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  animation: soundBars 0.8s ease-in-out infinite;
}

.dream-sound-bar:nth-child(1) {
  height: 8px;
  animation-delay: 0s;
}

.dream-sound-bar:nth-child(2) {
  height: 14px;
  animation-delay: 0.1s;
}

.dream-sound-bar:nth-child(3) {
  height: 10px;
  animation-delay: 0.2s;
}

.dream-sound-bar:nth-child(4) {
  height: 16px;
  animation-delay: 0.3s;
}

.dream-sound-bar:nth-child(5) {
  height: 9px;
  animation-delay: 0.4s;
}

@keyframes soundBars {
  0%, 100% {
    transform: scaleY(1);
    opacity: 0.7;
  }
  50% {
    transform: scaleY(1.5);
    opacity: 1;
  }
}

/* Hover Transitions */
.dream-card,
.dream-player-btn,
.dream-card-play-btn {
  transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
}

/* Loading Spinner */
.dream-loading-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid rgba(139, 92, 246, 0.2);
  border-top-color: var(--accent-violet);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* Pulse Animation for Current Track */
@keyframes pulse {
  0%, 100% {
    box-shadow: 0 0 0 0 rgba(139, 92, 246, 0.4);
  }
  50% {
    box-shadow: 0 0 0 10px rgba(139, 92, 246, 0);
  }
}

.dream-player-playing .dream-player-artwork {
  animation: pulse 2s ease-in-out infinite;
}

/* Fade In Animation */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.dream-card {
  animation: fadeIn 0.5s ease-out backwards;
}

.dream-card:nth-child(1) { animation-delay: 0.05s; }
.dream-card:nth-child(2) { animation-delay: 0.1s; }
.dream-card:nth-child(3) { animation-delay: 0.15s; }
.dream-card:nth-child(4) { animation-delay: 0.2s; }
.dream-card:nth-child(5) { animation-delay: 0.25s; }
.dream-card:nth-child(6) { animation-delay: 0.3s; }
.dream-card:nth-child(7) { animation-delay: 0.35s; }
.dream-card:nth-child(8) { animation-delay: 0.4s; }

/* Glow Pulse for Active Elements */
@keyframes glowPulse {
  0%, 100% {
    box-shadow: var(--shadow-glow);
  }
  50% {
    box-shadow: var(--shadow-glow-strong);
  }
}

.dream-player-btn-play.playing {
  animation: glowPulse 2s ease-in-out infinite;
}

/* ==========================================================================
   SECTION 7: UTILITY CLASSES
   ========================================================================== */

/* Visibility */
.dream-hidden {
  display: none !important;
}

.dream-visible {
  display: block !important;
}

/* Glass Effect Utility */
.dream-glass {
  background: var(--bg-glass);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

/* Gradient Text */
.dream-gradient-text {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Focus States */
.dream-player-btn:focus-visible,
.dream-card:focus-visible {
  outline: 2px solid var(--accent-violet);
  outline-offset: 2px;
}

/* Selection */
::selection {
  background: rgba(139, 92, 246, 0.3);
  color: var(--text-primary);
}

/* ==========================================================================
   SECTION 8: PLAY/PAUSE ICON TOGGLE & ACTIVE CARD
   ========================================================================== */

/* Play/Pause icon toggle in mini player */
.dream-player-btn-play .pause-icon { display: none; }
.dream-player-btn-play .play-icon { display: block; }

/* Artwork fallback when no image */
.dream-player-artwork[src=""],
.dream-player-artwork:not([src]) {
  display: none;
}

/* Active dream card highlight */
.dream-card.playing {
  border-color: rgba(139, 92, 246, 0.5);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.dream-card.playing::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  border: 2px solid var(--accent-violet);
  pointer-events: none;
}

/* Time display */
.dream-player-time {
  font-size: 0.75rem;
  color: var(--text-dim);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
  margin: 0 var(--spacing-sm);
}

/* Paused indicator */
.dream-playing-indicator.paused .dream-sound-bar {
  animation-play-state: paused;
}

/* Transcript panel styling */
.transcript-panel {
  position: fixed;
  right: -400px;
  top: 0;
  bottom: 80px;
  width: 400px;
  background: var(--bg-secondary);
  border-left: 1px solid rgba(255, 255, 255, 0.08);
  padding: var(--spacing-lg);
  transition: right var(--transition-slow);
  z-index: var(--z-modal);
  overflow-y: auto;
}

.transcript-panel.open {
  right: 0;
}

.transcript-close {
  position: absolute;
  top: var(--spacing-md);
  right: var(--spacing-md);
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.5rem;
  cursor: pointer;
}

.transcript-title {
  font-size: 1.1rem;
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
}

/* Shortcuts modal styling */
.shortcuts-modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: var(--z-modal);
}

.shortcuts-modal.open {
  display: flex;
}

.shortcuts-content {
  background: var(--bg-secondary);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  max-width: 500px;
  width: 90%;
}

.shortcuts-grid {
  display: grid;
  gap: var(--spacing-sm);
  margin: var(--spacing-md) 0;
}

.shortcut {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-xs) 0;
}

.shortcut kbd {
  background: var(--bg-glass);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 4px;
  padding: 2px 8px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  min-width: 32px;
  text-align: center;
}

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

.shortcuts-close {
  width: 100%;
  padding: var(--spacing-sm);
  background: var(--bg-glass);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.shortcuts-close:hover {
  background: var(--bg-glass-hover);
}

/* Loading overlay */
.loading-overlay {
  position: fixed;
  inset: 0;
  background: var(--bg-primary);
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-md);
  z-index: var(--z-modal);
}

.loading-overlay.visible {
  display: flex;
}

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

/* Waveform canvas */
.waveform-canvas {
  display: block;
  position: fixed;
  bottom: 80px; /* sits directly above the mini player */
  left: 0;
  right: 0;
  width: 100%;
  height: 56px;
  z-index: calc(var(--z-player) - 1);
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.4s ease;
}

.waveform-canvas.active {
  opacity: 1;
}

/* ==========================================================================
   END OF DREAM PLAYER CSS
   ========================================================================== */