/* 12th Man: World Cup Music Hub Design System - Colorful Neon-Mesh Edition */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;600;800;900&family=Plus+Jakarta+Sans:wght@400;500;700&display=swap');

:root {
  /* Core Base Colors */
  --bg-darkest: #000000;
  --bg-stadium-green: #000000;
  --text-primary: #ffffff;
  --text-muted: #8e8e93;
  --border-glass: rgba(255, 255, 255, 0.08);
  --bg-glass: rgba(28, 28, 30, 0.65);
  --bg-glass-heavy: rgba(11, 7, 26, 0.88);
  --primary-glow: 0 0 20px rgba(0, 255, 128, 0.35);

  /* Theme: United States (Electric Navy & Neon Crimson) */
  --usa-blue: #0A192F;
  --usa-red: #ff3b57;
  --usa-glow: #00f2fe;
  
  /* Theme: Canada (Cool Snow & Maple Scarlet) */
  --can-red: #e11b22;
  --can-white: #f5f6f8;
  --can-glow: #ff4d4d;

  /* Theme: Mexico (Pitch Green & Aztec Gold) */
  --mex-green: #006341;
  --mex-gold: #f4a900;
  --mex-glow: #00ff87;

  /* Current Active Theme Palette (Default: Neutral Stadium) */
  --theme-primary: #00ff87;
  --theme-secondary: #00e5ff;
  --theme-accent: #ff3b57;
  --theme-bg: var(--bg-stadium-green);
  --theme-gradient: linear-gradient(135deg, #052416 0%, #06090d 100%);
  
  /* Font Families */
  --font-display: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Helvetica Neue", Arial, sans-serif;
  --font-body: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", Arial, sans-serif;

  /* Transition curves */
  --transition-smooth: all 0.35s cubic-bezier(0.25, 0.8, 0.25, 1);
  --transition-elastic: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

/* Base resets & layout */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-body);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
  background-color: var(--bg-darkest);
  background-image: 
    radial-gradient(circle at 15% 50%, rgba(250, 36, 60, 0.15), transparent 50%),
    radial-gradient(circle at 85% 30%, rgba(10, 132, 255, 0.15), transparent 50%);
  background-attachment: fixed;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
}

@keyframes mesh-shift {
  0% { background-position: 0% 50%, center; }
  50% { background-position: 100% 50%, center; }
  100% { background-position: 0% 50%, center; }
}

/* Scrollbar styling */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: rgba(255,255,255,0.2);
}
::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--theme-primary);
}

/* Glassmorphism utility card */
.glass-panel {
  background: var(--bg-glass);
  backdrop-filter: blur(40px) saturate(200%);
  -webkit-backdrop-filter: blur(40px) saturate(200%);
  border: 1px solid var(--border-glass);
  border-radius: 16px;
  box-shadow: 0 4px 24px rgba(0,0,0,0.4);
  transition: var(--transition-smooth);
}
.glass-panel:hover {
  border-color: rgba(255, 255, 255, 0.15);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
}

/* Header container */
header {
  padding: 1.25rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-glass);
  background: rgba(8, 4, 18, 0.75);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 100;
}

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

.logo-icon {
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, var(--theme-primary), var(--theme-secondary));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-family: var(--font-display);
  font-size: 1.6rem;
  color: var(--bg-darkest);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
}

.logo-text {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.8rem;
  letter-spacing: -0.5px;
  background: linear-gradient(135deg, #ffffff, #94a3b8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.logo-text span {
  background: linear-gradient(135deg, var(--theme-primary), var(--theme-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: 0 0 15px rgba(0, 229, 255, 0.3);
}

/* Theme Switcher Bar */
.theme-selector {
  display: flex;
  gap: 0.5rem;
  background: rgba(255, 255, 255, 0.04);
  padding: 0.35rem;
  border-radius: 30px;
  border: 1px solid var(--border-glass);
}

.theme-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  padding: 0.4rem 1rem;
  font-size: 0.8rem;
  font-weight: 800;
  border-radius: 20px;
  cursor: pointer;
  transition: var(--transition-smooth);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.theme-btn.active {
  color: var(--bg-darkest);
}

.theme-btn[data-theme="usa"].active {
  background: linear-gradient(135deg, var(--usa-red), #ff6b8b);
  box-shadow: 0 2px 8px rgba(0,0,0,0.2);
  color: #fff;
}
.theme-btn[data-theme="can"].active {
  background: linear-gradient(135deg, var(--can-red), #ff4d4d);
  box-shadow: 0 2px 8px rgba(0,0,0,0.2);
  color: #fff;
}
.theme-btn[data-theme="mex"].active {
  background: linear-gradient(135deg, var(--mex-green), #00a86b);
  box-shadow: 0 2px 8px rgba(0,0,0,0.2);
  color: #fff;
}
.theme-btn[data-theme="neutral"].active {
  background: linear-gradient(135deg, var(--theme-primary), var(--theme-secondary));
  box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}

/* Main Dashboard Panel */
main {
  flex: 1;
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

/* ==========================================================================
   PAGE: MUSIC DASHBOARD
   ========================================================================== */
.playlists-showcase-panel {
  padding: 1.5rem;
}

.sidebar-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.3rem;
  border-left: 3px solid var(--theme-primary);
  padding-left: 0.5rem;
  
}

.playlist-cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 0.5rem;
}

.playlist-vibe-card {
  padding: 1.5rem;
  border-radius: 12px;
  border: 1px solid var(--border-glass);
  cursor: pointer;
  transition: var(--transition-elastic);
  position: relative;
  overflow: hidden;
  background: rgba(18, 12, 38, 0.45);
}

.playlist-vibe-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.playlist-vibe-card.active {
  border-width: 2px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.5);
  border-color: var(--theme-primary) !important;
}

.vibe-card-header {
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
}

.vibe-card-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 900;
  color: #fff;
  margin: 0.35rem 0 0.5rem 0;
}

.vibe-card-desc {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.4;
}

/* Split layout: Queue vs Console */
.player-split-grid {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 2rem;
}

.playlist-tracks-panel {
  display: flex;
  flex-direction: column;
}

.track-listing-container {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  max-height: 380px;
  overflow-y: auto;
  padding-right: 0.25rem;
}

/* Fullscreen player console */
.fullscreen-player-console {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 3rem;
  position: relative;
  background: rgba(12, 8, 28, 0.7);
  box-shadow: 0 15px 50px rgba(0,0,0,0.6), 0 0 30px rgba(0, 229, 255, 0.05);
}

.console-body {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2.5rem;
  width: 100%;
}

/* Circular pulsing Visualizer Subwoofer */
.visualizer-frame-container {
  width: 250px;
  height: 250px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.visualizer-ring-bg {
  position: absolute;
  width: 90%;
  height: 90%;
  border-radius: 50%;
  border: 4px solid var(--theme-accent);
  background: rgba(5, 3, 10, 0.9);
  box-shadow: 0 0 25px var(--theme-accent);
  z-index: 1;
  animation: pulse-ring 2s infinite ease-in-out, subwoofer-glow 8s infinite linear;
}

@keyframes subwoofer-glow {
  0% { border-color: var(--theme-accent); box-shadow: 0 0 25px var(--theme-accent); }
  33% { border-color: var(--theme-primary); box-shadow: 0 0 25px var(--theme-primary); }
  66% { border-color: var(--theme-secondary); box-shadow: 0 0 25px var(--theme-secondary); }
  100% { border-color: var(--theme-accent); box-shadow: 0 0 25px var(--theme-accent); }
}

@keyframes pulse-ring {
  0% { transform: scale(0.98); }
  50% { transform: scale(1.05); }
  100% { transform: scale(0.98); }
}

.circular-visualizer-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 2;
  pointer-events: none;
}

.album-art-center {
  position: absolute;
  width: 140px;
  height: 140px;
  border-radius: 50%;
  overflow: hidden;
  z-index: 3;
  border: 4px solid var(--bg-darkest);
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.7);
}

.album-art-round {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.player-visualizer-playing .album-art-round {
  animation: rotation 12s infinite linear;
}

@keyframes rotation {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.console-controls-area {
  text-align: center;
  width: 100%;
}

.track-meta-center {
  margin-bottom: 1rem;
}

/* Playback Progress and scrub */
.progress-bar-container {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.progress-bar {
  flex: 1;
  height: 6px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 3px;
  cursor: pointer;
  position: relative;
}

.progress-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--theme-secondary), var(--theme-primary));
  border-radius: 3px;
  box-shadow: 0 0 12px var(--theme-secondary);
}

.playback-buttons {
  display: flex;
  gap: 1.5rem;
  align-items: center;
  justify-content: center;
}

.round-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-glass);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  cursor: pointer;
  transition: var(--transition-elastic);
}

.round-btn:hover {
  transform: scale(1.1);
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--theme-accent);
}

.round-btn.btn-play {
  background: linear-gradient(135deg, var(--theme-accent), #ff526c);
  color: #fff;
  box-shadow: 0 4px 15px rgba(255, 59, 87, 0.4);
}
.round-btn.btn-play:hover {
  box-shadow: 0 6px 20px rgba(255, 59, 87, 0.6);
}

/* Playlist tracks styling */
.track-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  border-radius: 8px;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.track-item:hover {
  background: rgba(255, 255, 255, 0.04);
}

.track-item.active {
  background: rgba(255, 255, 255, 0.06);
  border-left: 4px solid var(--theme-accent);
  box-shadow: inset 4px 0 10px rgba(0, 229, 255, 0.05);
}

.track-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.track-num {
  font-family: var(--font-display);
  font-weight: 850;
  color: var(--text-muted);
  width: 20px;
}

.track-title {
  font-weight: 700;
  font-size: 0.9rem;
}

.track-artist {
  font-size: 0.75rem;
  color: var(--text-muted);
}

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

/* Footer styling */
footer {
  padding: 2rem;
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border-glass);
  background: rgba(6, 3, 14, 0.95);
  margin-top: auto;
}

/* Responsiveness adjustments */
@media (max-width: 1024px) {
  .player-split-grid {
    grid-template-columns: 1fr;
  }
  .playlist-cards-grid {
    grid-template-columns: 1fr;
  }
  .fullscreen-player-console {
    padding: 1.5rem;
  }
}

/* Apple Music Player Controls */
.playback-buttons {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  margin-top: 1.5rem;
}

.icon-btn {
  background: transparent;
  border: none;
  color: var(--text-primary);
  cursor: pointer;
  opacity: 0.7;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}
.icon-btn:hover {
  opacity: 1;
  transform: scale(1.1);
}

.play-btn-primary {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--theme-primary);
  color: #fff;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(0,0,0,0.5);
  transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}
.play-btn-primary:hover {
  transform: scale(1.08);
  box-shadow: 0 10px 30px var(--theme-primary);
}