/* Modern MusicPro Redesign - Glassmorphism Style */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

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

:root {
  /* Modern Color Palette */
  --bg-primary: #0a0a0f;
  --bg-secondary: #1a1a2e;
  --bg-tertiary: #16213e;
  --bg-glass: rgba(255, 255, 255, 0.05);
  --bg-glass-hover: rgba(255, 255, 255, 0.08);
  
  --text-primary: #ffffff;
  --text-secondary: #b8b8d1;
  --text-muted: #8a8a9c;
  
  --accent-primary: #6366f1;
  --accent-secondary: #8b5cf6;
  --accent-gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
  --accent-hover: linear-gradient(135deg, #7c3aed 0%, #a855f7 100%);
  
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  
  --border-light: rgba(255, 255, 255, 0.1);
  --border-medium: rgba(255, 255, 255, 0.15);
  --border-heavy: rgba(255, 255, 255, 0.2);
  
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 16px 64px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 32px rgba(99, 102, 241, 0.3);
  
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}

html, body {
  height: 100%;
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: var(--text-primary);
  background: radial-gradient(ellipse at top, #1a1a2e 0%, #0a0a0f 100%);
  background-attachment: fixed;
  line-height: 1.6;
  overflow-x: hidden;
  padding-bottom: 80px; /* Account for fixed audio bar at bottom */
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
  background: var(--border-medium);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--border-heavy);
}

/* Layout & Containers */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 0;
  margin-bottom: 0;
  position: relative;
}

.topbar::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-light), transparent);
}

.brand {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.topbar h1 {
  font-size: 2.5rem;
  font-weight: 800;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.02em;
  margin: 0;
}

.tagline {
  font-size: 0.9rem;
  color: var(--text-muted);
  font-weight: 400;
  letter-spacing: 0.5px;
}

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

.authbox .email {
  font-weight: 600;
  color: var(--text-secondary);
  padding: 8px 16px;
  background: var(--bg-glass);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  backdrop-filter: blur(20px);
}

/* Navigation Bar */
.navigation {
  background: var(--bg-glass);
  border-bottom: 1px solid var(--border-light);
  backdrop-filter: blur(20px);
  margin-bottom: 32px;
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-list {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: 0;
}

.nav-item {
  flex: 1;
}

.nav-link {
  width: 100%;
  padding: 20px 16px;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 500;
  position: relative;
  overflow: hidden;
}

.nav-link::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--accent-gradient);
  transform: scaleX(0);
  transition: var(--transition);
}

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

.nav-link.active {
  color: var(--text-primary);
  background: var(--bg-glass-hover);
}

.nav-link.active::before {
  transform: scaleX(1);
}

.nav-icon {
  font-size: 1.5rem;
  filter: drop-shadow(0 2px 4px rgba(99, 102, 241, 0.3));
}

.nav-text {
  font-weight: 600;
  letter-spacing: 0.5px;
}

/* Page Content Management */
.page-content {
  display: none;
  animation: fadeIn 0.4s ease-out;
}

.page-content.active {
  display: block;
}

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

/* Glassmorphism Cards */
.card {
  background: var(--bg-glass);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 32px;
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow-md);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-primary), transparent);
  opacity: 0;
  transition: var(--transition);
}

.card:hover::before {
  opacity: 1;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  border-color: var(--border-medium);
}

/* Buttons */
.btn, .btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  text-decoration: none;
  position: relative;
  overflow: hidden;
}

.btn {
  background: var(--accent-gradient);
  color: white;
  box-shadow: var(--shadow-sm);
}

.btn:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md), var(--shadow-glow);
}

.btn:active {
  transform: translateY(0);
}

.btn-outline {
  background: transparent;
  border: 2px solid var(--border-medium);
  color: var(--text-secondary);
}

.btn-outline:hover {
  border-color: var(--accent-primary);
  color: var(--text-primary);
  background: var(--bg-glass-hover);
}

.btn-outline.danger {
  border-color: var(--danger);
  color: var(--danger);
}

.btn-outline.danger:hover {
  background: var(--danger);
  color: white;
}

.btn.sm {
  padding: 8px 16px;
  font-size: 0.875rem;
}

/* Player Controls Section */
.controls {
  margin-bottom: 32px;
  text-align: center;
}

.player-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 16px;
}

.player-header h2 {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
}

.player-stats {
  display: flex;
  gap: 20px;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.stat {
  display: flex;
  align-items: center;
  gap: 6px;
  font-weight: 500;
}

.record-wrap {
  margin-bottom: 24px;
}

.record {
  width: 200px;
  height: 200px;
  border-radius: 50%;
  margin: 0 auto;
  background:
    radial-gradient(circle at center, #2d2d3a 0%, #1a1a2e 30%, #0a0a0f 70%),
    conic-gradient(from 0deg, #6366f1, #8b5cf6, #a855f7, #6366f1);
  border: 8px solid var(--bg-primary);
  position: relative;
  box-shadow: var(--shadow-lg), inset 0 0 32px rgba(0, 0, 0, 0.5);
  transition: var(--transition);
}

.record:hover {
  transform: scale(1.05);
  box-shadow: var(--shadow-lg), var(--shadow-glow), inset 0 0 32px rgba(0, 0, 0, 0.5);
}

.record-center {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, #fbbf24, #f59e0b);
  border: 4px solid var(--bg-primary);
  box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.3);
}

.record-grooves {
  position: absolute;
  inset: 20px;
  border-radius: 50%;
  background: repeating-conic-gradient(
    from 0deg,
    transparent 0deg,
    rgba(255, 255, 255, 0.1) 1deg,
    transparent 2deg
  );
  opacity: 0.3;
}

.spin {
  animation: spin 3s linear infinite;
}

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

.now-playing {
  margin: 24px 0;
  padding: 16px 24px;
  background: var(--bg-glass);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  backdrop-filter: blur(20px);
}

.now-playing span {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-secondary);
  display: block;
  margin-bottom: 8px;
}

.progress-info {
  display: flex;
  justify-content: space-between;
  font-size: 0.875rem;
  color: var(--text-muted);
  font-weight: 500;
}

audio {
  width: 100%;
  margin: 24px 0;
  border-radius: var(--radius-md);
  background: var(--bg-secondary);
}

.control-buttons {
  display: flex;
  gap: 16px;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 24px;
}

.control-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  min-width: 80px;
}

.control-btn .icon {
  font-size: 1.2rem;
}

.control-btn .label {
  font-size: 0.8rem;
  font-weight: 500;
}

.player-options {
  display: flex;
  gap: 24px;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--border-light);
}

.vol, .chk {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 500;
  color: var(--text-secondary);
}

.vol .label, .chk .label {
  font-size: 0.9rem;
  min-width: 60px;
}

input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100px;
  height: 6px;
  border-radius: 3px;
  background: var(--bg-secondary);
  outline: none;
  border: 1px solid var(--border-light);
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--accent-gradient);
  cursor: pointer;
  box-shadow: var(--shadow-sm);
}

input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--accent-primary);
}

/* Search Page Styles */
.search-page-header {
  text-align: center;
  margin-bottom: 32px;
}

.search-page-header h2 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0 0 8px 0;
}

.search-page-header .subtitle {
  color: var(--text-secondary);
  font-size: 1.1rem;
  font-weight: 400;
  margin: 0;
}

.search-filters {
  display: flex;
  gap: 24px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}

.filter-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 150px;
}

.filter-group label {
  font-weight: 600;
  color: var(--text-primary);
  font-size: 0.9rem;
}

.filter-group select {
  background: var(--bg-glass);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.9rem;
  backdrop-filter: blur(20px);
  transition: var(--transition);
}

.filter-group select:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.search-results {
  min-height: 200px;
}

/* Library Page Styles */
.playlist {
  margin-bottom: 32px;
}

.playlist-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 24px;
}

.playlist-title h2 {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0 0 8px 0;
}

.playlist-title .subtitle {
  color: var(--text-secondary);
  font-size: 1rem;
  font-weight: 400;
  margin: 0;
}

.tabs {
  display: flex;
  gap: 12px;
  background: var(--bg-glass);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 4px;
  backdrop-filter: blur(20px);
}

.tab {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
  font-weight: 500;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 6px;
}

.tab.active {
  background: var(--accent-gradient);
  color: white;
  box-shadow: var(--shadow-sm);
}

.tab:hover:not(.active) {
  color: var(--text-primary);
  background: var(--bg-glass-hover);
}

.tab .icon {
  font-size: 1rem;
}

.tab .label {
  font-size: 0.85rem;
}

.search-container {
  margin-bottom: 24px;
}

.search-wrapper {
  position: relative;
  margin-bottom: 12px;
}

.search-icon {
  position: absolute;
  left: 20px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.1rem;
  color: var(--text-muted);
  pointer-events: none;
}

.search {
  width: 100%;
  background: var(--bg-glass);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 16px 20px 16px 48px;
  color: var(--text-primary);
  font-size: 1rem;
  backdrop-filter: blur(20px);
  transition: var(--transition);
}

.search:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
  background: var(--bg-glass-hover);
}

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

.search-stats {
  text-align: right;
  font-size: 0.875rem;
  color: var(--text-muted);
  font-weight: 500;
}

.playlist-content {
  min-height: 200px;
}

.playlist ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.playlist li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-light);
  transition: var(--transition);
  animation: slideIn 0.3s ease-out both;
  background: var(--bg-glass);
  margin-bottom: 8px;
  border-radius: var(--radius-md);
  backdrop-filter: blur(20px);
}

.playlist li:hover {
  background: var(--bg-glass-hover);
  transform: translateX(4px);
  border-color: var(--border-medium);
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.playlist li .meta {
  display: flex;
  gap: 16px;
  align-items: center;
  flex: 1;
}

.playlist li .title {
  font-weight: 600;
  color: var(--text-primary);
  word-break: break-word;
  flex: 1;
}

.playlist li .size {
  color: var(--text-muted);
  font-size: 0.875rem;
  font-weight: 500;
  white-space: nowrap;
}

/* Enhanced track info styling */
.track-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
}

.track-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.owner-badge {
  background: var(--accent-primary);
  color: white;
  padding: 2px 6px;
  border-radius: 10px;
  font-size: 0.7rem;
  font-weight: 600;
}

.play-btn.playing {
  background: var(--accent-gradient);
  border-color: var(--accent-primary);
  color: white;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

.actions {
  display: flex;
  gap: 8px;
}

.icon-btn {
  border: 1px solid var(--border-light);
  background: var(--bg-glass);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition);
  backdrop-filter: blur(20px);
  font-size: 1rem;
  display: flex;
  align-items: center;
  gap: 6px;
}

.icon-btn:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
  background: var(--bg-glass-hover);
  transform: translateY(-1px);
}

.icon-btn.danger:hover {
  border-color: var(--danger);
  color: var(--danger);
}

.icon-btn .icon {
  font-size: 1rem;
}

.icon-btn .label {
  font-size: 0.8rem;
  font-weight: 500;
}

/* Empty state styling */
.empty-state {
  text-align: center;
  padding: 48px 24px;
  color: var(--text-muted);
  font-size: 1.1rem;
  font-weight: 500;
  font-style: italic;
}

/* Account Page Styles */
.account-header {
  text-align: center;
  margin-bottom: 32px;
}

.account-header h2 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0 0 8px 0;
}

.account-header .subtitle {
  color: var(--text-secondary);
  font-size: 1.1rem;
  font-weight: 400;
  margin: 0;
}

.account-content {
  display: grid;
  gap: 32px;
}

.profile-section, .preferences-section {
  background: var(--bg-glass);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 24px;
  backdrop-filter: blur(20px);
}

.profile-section h3, .preferences-section h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0 0 20px 0;
}

.profile-info {
  display: flex;
  align-items: center;
  gap: 20px;
}

.profile-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--accent-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
}

.avatar-icon {
  font-size: 2.5rem;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3));
}

.profile-details p {
  margin: 0 0 8px 0;
  color: var(--text-secondary);
  font-size: 1rem;
}

.profile-details strong {
  color: var(--text-primary);
  font-weight: 600;
}

.preference-item {
  margin-bottom: 16px;
}

.preference-item label {
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  color: var(--text-secondary);
  font-weight: 500;
  transition: var(--transition);
}

.preference-item label:hover {
  color: var(--text-primary);
}

.preference-item input[type="checkbox"] {
  width: 20px;
  height: 20px;
  accent-color: var(--accent-primary);
}

.account-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
}

/* Upload Section */
.uploader {
  margin-top: 32px;
}

.uploader-header {
  margin-bottom: 24px;
  text-align: center;
}

.uploader-header h2 {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0 0 8px 0;
}

.uploader-header .subtitle {
  color: var(--text-secondary);
  font-size: 1rem;
  font-weight: 400;
  margin: 0;
}

.dropzone {
  border: 2px dashed var(--border-medium);
  border-radius: var(--radius-lg);
  padding: 48px 32px;
  text-align: center;
  transition: var(--transition);
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.dropzone::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.05), rgba(139, 92, 246, 0.05));
  opacity: 0;
  transition: var(--transition);
}

.dropzone:hover::before {
  opacity: 1;
}

.dropzone:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.dropzone.drag {
  background: var(--bg-glass-hover);
  border-color: var(--accent-primary);
  transform: scale(1.02);
}

.dropzone.drag::before {
  opacity: 1;
}

.dropzone-content {
  position: relative;
  z-index: 2;
}

.upload-icon {
  font-size: 3rem;
  margin-bottom: 16px;
  display: block;
  filter: drop-shadow(0 4px 8px rgba(99, 102, 241, 0.3));
}

.upload-text {
  margin-bottom: 16px;
  font-size: 1.1rem;
}

.upload-text strong {
  color: var(--accent-primary);
  font-weight: 700;
}

.upload-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-top: 16px;
}

.accepted-formats, .file-limit {
  color: var(--text-muted);
  font-size: 0.875rem;
}

.status {
  margin-top: 16px;
  min-height: 24px;
  color: var(--text-muted);
  text-align: center;
  font-weight: 500;
}

.upload-progress {
  margin-top: 20px;
  text-align: center;
}

.progress-bar {
  width: 100%;
  height: 8px;
  background: var(--bg-secondary);
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 8px;
}

.progress-fill {
  height: 100%;
  background: var(--accent-gradient);
  border-radius: 4px;
  transition: width 0.3s ease;
  width: 0%;
}

.progress-text {
  font-size: 0.875rem;
  color: var(--text-secondary);
  font-weight: 500;
}

/* Footer */
footer {
  margin-top: 48px;
  padding: 24px 0;
  border-top: 1px solid var(--border-light);
}

.footer-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
}

.footer-info {
  flex: 1;
  min-width: 300px;
}

.footer-info p {
  margin: 0 0 8px 0;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.footer-info .tip {
  color: var(--text-muted);
  font-size: 0.875rem;
  font-style: italic;
}

.footer-actions {
  display: flex;
  gap: 12px;
}

/* Responsive Design */
@media (max-width: 768px) {
  .container {
    padding: 0 16px;
  }
  
  .topbar {
    padding: 20px 0;
    margin-bottom: 0;
  }
  
  .topbar h1 {
    font-size: 2rem;
  }
  
  .navigation {
    margin-bottom: 24px;
  }
  
  .nav-list {
    flex-direction: column;
  }
  
  .nav-link {
    padding: 16px;
    flex-direction: row;
    justify-content: flex-start;
    gap: 12px;
  }
  
  .nav-text {
    font-size: 1rem;
  }
  
  .card {
    padding: 24px 20px;
  }
  
  .controls {
    margin-bottom: 24px;
  }
  
  .record {
    width: 160px;
    height: 160px;
  }
  
  .control-buttons {
    gap: 12px;
  }
  
  .player-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }
  
  .player-stats {
    width: 100%;
    justify-content: space-between;
  }
  
  .playlist-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }
  
  .tabs {
    width: 100%;
    justify-content: center;
  }
  
  .playlist li {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
  
  .playlist li .meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
  
  .actions {
    width: 100%;
    justify-content: flex-end;
  }
  
  .dropzone {
    padding: 32px 20px;
  }
  
  .search-filters {
    flex-direction: column;
    gap: 16px;
  }
  
  .filter-group {
    min-width: auto;
  }
  
  .profile-info {
    flex-direction: column;
    text-align: center;
    gap: 16px;
  }
  
  .account-actions {
    flex-direction: column;
  }
  
  .footer-content {
    flex-direction: column;
    text-align: center;
    gap: 16px;
  }
  
  .footer-info {
    min-width: auto;
  }
}

@media (max-width: 480px) {
  .topbar h1 {
    font-size: 1.75rem;
  }
  
  .card {
    padding: 20px 16px;
  }
  
  .control-buttons {
    flex-direction: column;
    align-items: stretch;
  }
  
  .btn, .btn-outline {
    width: 100%;
  }
  
  .player-options {
    flex-direction: column;
    gap: 16px;
  }
  
  .vol, .chk {
    justify-content: center;
  }
  
  .icon-btn .label {
    display: none;
  }
  
  .nav-link {
    padding: 12px 16px;
  }
  
  .nav-icon {
    font-size: 1.2rem;
  }
}

/* Loading States */
.loading {
  opacity: 0.6;
  pointer-events: none;
}

.loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 20px;
  height: 20px;
  margin: -10px 0 0 -10px;
  border: 2px solid var(--border-light);
  border-top-color: var(--accent-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

/* Success/Error States */
.status.success {
  color: var(--success);
}

.status.error {
  color: var(--danger);
}

.status.warning {
  color: var(--warning);
}

/* Empty State */
.playlist-content:empty::before {
  content: '🎵 No music found. Start by uploading some tracks!';
  display: block;
  text-align: center;
  padding: 48px 24px;
  color: var(--text-muted);
  font-size: 1.1rem;
  font-weight: 500;
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.card {
  animation: fadeInUp 0.6s ease-out both;
}

.card:nth-child(2) {
  animation-delay: 0.1s;
}

.card:nth-child(3) {
  animation-delay: 0.2s;
}

/* Enhanced hover effects for playlist items */
.playlist li:hover .play-btn {
  transform: scale(1.1);
}

.playlist li:hover .actions .icon-btn {
  transform: translateY(-2px);
}

/* Focus states for accessibility */
.btn:focus, .btn-outline:focus, input:focus, .icon-btn:focus, .nav-link:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

/* Smooth transitions for all interactive elements */
* {
  transition: var(--transition);
}

/* Enhanced visual feedback */
.playlist li:active {
  transform: scale(0.98);
}

.icon-btn:active {
  transform: scale(0.95);
}

/* Loading animation for the app */
body:not(.loaded) .card {
  opacity: 0;
  transform: translateY(20px);
}

body.loaded .card {
  opacity: 1;
  transform: translateY(0);
}

/* Music Tiles Section */
.music-tiles {
  margin-bottom: 32px;
}

.tiles-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
}

.tiles-header h2 {
  margin: 0;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
}

.filter-tabs {
  display: flex;
  gap: 8px;
}

.filter-tab {
  padding: 8px 16px;
  border: none;
  border-radius: 20px;
  background: var(--bg-secondary);
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition);
  font-size: 0.9rem;
  font-weight: 500;
}

.filter-tab.active {
  background: var(--accent-primary);
  color: white;
}

.filter-tab:hover:not(.active) {
  background: var(--bg-glass-hover);
}

.tiles-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 32px;
}

.tile {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  cursor: pointer;
  transition: var(--transition);
  aspect-ratio: 1;
  background: var(--bg-glass);
  border: 1px solid var(--border-light);
  backdrop-filter: blur(20px);
}

.tile:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
  border-color: var(--accent-primary);
}

.tile.small {
  grid-column: span 1;
  min-height: 120px;
}

.tile-image {
  width: 100%;
  height: 100%;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 20px;
  text-align: center;
}

.tile-icon {
  font-size: 2.5rem;
  margin-bottom: 12px;
  opacity: 0.8;
}

.tile-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.7));
  padding: 20px 16px 16px;
  color: white;
  text-align: center;
}

.tile-title {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 4px;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
}

.tile-subtitle {
  display: block;
  font-size: 0.75rem;
  opacity: 0.8;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
}

/* Tile Variants */
.tile.recent {
  background: linear-gradient(135deg, #667eea, #764ba2);
}

.tile.collection {
  background: linear-gradient(135deg, #f093fb, #f5576c);
}

.tile.all-music {
  background: linear-gradient(135deg, #4facfe, #00f2fe);
}

.tile.upload {
  background: linear-gradient(135deg, #43e97b, #38f9d7);
}

/* Quick Stats */
.quick-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 32px;
  padding: 20px;
  background: var(--bg-glass);
  border: 1px solid var(--border-light);
  border-radius: 16px;
  backdrop-filter: blur(20px);
}

.stat-item {
  text-align: center;
}

.stat-number {
  display: block;
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--accent-primary);
  margin-bottom: 8px;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--text-secondary);
  font-weight: 500;
}

/* Recent Activity */
.recent-activity {
  margin-bottom: 32px;
}

.recent-activity h3 {
  margin: 0 0 16px 0;
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-primary);
}

.activity-list {
  background: var(--bg-glass);
  border: 1px solid var(--border-light);
  border-radius: 12px;
  overflow: hidden;
  backdrop-filter: blur(20px);
}

.activity-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-light);
  transition: var(--transition);
}

.activity-item:last-child {
  border-bottom: none;
}

.activity-item:hover {
  background: var(--bg-glass-hover);
}

.activity-icon {
  font-size: 1.2rem;
  opacity: 0.8;
}

.activity-text {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* Responsive Design for Tiles */
@media (max-width: 768px) {
  .tiles-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }
  
  .quick-stats {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  
  .tile.small {
    min-height: 100px;
  }
  
  .tile-icon {
    font-size: 2rem;
    margin-bottom: 8px;
  }
  
  .tile-title {
    font-size: 0.8rem;
  }
  
  .tile-subtitle {
    font-size: 0.7rem;
  }
}

@media (max-width: 480px) {
  .tiles-header {
    flex-direction: column;
    gap: 16px;
    align-items: flex-start;
  }
  
  .filter-tabs {
    width: 100%;
    justify-content: center;
  }
  
  .tiles-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }
}

/* Fixed Audio Bar - Always Visible at Bottom */
.fixed-audio-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: 80px;
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  border-top: 1px solid var(--border-light);
  z-index: 1000;
  box-shadow: var(--shadow-light);
  animation: slideUp 0.5s ease-out;
}

@keyframes slideUp {
  from {
    transform: translateY(100%);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.audio-bar-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  padding: 0 24px;
  max-width: 1400px;
  margin: 0 auto;
}

/* Now Playing Info */
.now-playing-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 200px;
  animation: fadeInLeft 0.6s ease-out;
}

@keyframes fadeInLeft {
  from {
    transform: translateX(-20px);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

.track-details {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.track-title {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 180px;
  transition: var(--transition);
}

.track-title:hover {
  color: var(--accent-primary);
  transform: translateX(2px);
}

.track-artist {
  font-size: 0.75rem;
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 180px;
  transition: var(--transition);
}

.time-display {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 0.75rem;
  color: var(--text-secondary);
  transition: var(--transition);
}

.time-display:hover {
  color: var(--text-primary);
}

.time-separator {
  opacity: 0.5;
  transition: var(--transition);
}

.time-separator:hover {
  opacity: 1;
}

/* Audio Controls */
.audio-controls {
  display: flex;
  align-items: center;
  gap: 12px;
  animation: fadeInUp 0.7s ease-out;
}

@keyframes fadeInUp {
  from {
    transform: translateY(20px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.control-btn-fixed {
  width: 36px;
  height: 36px;
  border: none;
  border-radius: 50%;
  background: var(--bg-secondary);
  color: var(--text-primary);
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  position: relative;
  overflow: hidden;
}

.control-btn-fixed::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--accent-gradient);
  border-radius: 50%;
  opacity: 0;
  transition: opacity 0.3s ease;
  transform: scale(0);
}

.control-btn-fixed:hover::before {
  opacity: 1;
  transform: scale(1);
}

.control-btn-fixed:hover {
  transform: scale(1.1) rotate(5deg);
  box-shadow: var(--shadow-glow);
}

.control-btn-fixed.play-pause {
  background: var(--accent-primary);
  color: white;
  width: 44px;
  height: 44px;
  font-size: 1.1rem;
  position: relative;
}

.control-btn-fixed.play-pause::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: all 0.3s ease;
}

.control-btn-fixed.play-pause:hover::after {
  width: 100%;
  height: 100%;
}

.control-btn-fixed.play-pause:hover {
  background: var(--accent-hover);
  transform: scale(1.15);
  box-shadow: 0 0 30px rgba(99, 102, 241, 0.5);
}

.control-btn-fixed.play-pause.playing {
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(99, 102, 241, 0.7);
  }
  70% {
    box-shadow: 0 0 0 10px rgba(99, 102, 241, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(99, 102, 241, 0);
  }
}

/* Progress Bar */
.audio-progress {
  flex: 1;
  max-width: 300px;
  margin: 0 24px;
  animation: fadeIn 0.8s ease-out;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.progress-bar-fixed {
  width: 100%;
  height: 6px;
  background: var(--bg-secondary);
  border-radius: 3px;
  overflow: hidden;
  cursor: pointer;
  position: relative;
  transition: var(--transition);
}

.progress-bar-fixed:hover {
  height: 8px;
  background: var(--bg-tertiary);
}

.progress-fill-fixed {
  height: 100%;
  background: var(--accent-gradient);
  border-radius: 3px;
  width: 0%;
  transition: width 0.1s ease;
  position: relative;
  overflow: hidden;
}

.progress-fill-fixed::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  animation: shimmer 2s infinite;
}

@keyframes shimmer {
  0% {
    left: -100%;
  }
  100% {
    left: 100%;
  }
}

.progress-bar-fixed:hover .progress-fill-fixed {
  background: var(--accent-hover);
}

/* Audio Options */
.audio-options {
  display: flex;
  align-items: center;
  gap: 20px;
  animation: fadeInRight 0.6s ease-out;
}

@keyframes fadeInRight {
  from {
    transform: translateX(20px);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

.volume-control {
  display: flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition);
}

.volume-control:hover {
  transform: scale(1.05);
}

.volume-icon {
  font-size: 0.9rem;
  opacity: 0.7;
  transition: var(--transition);
}

.volume-control:hover .volume-icon {
  opacity: 1;
  transform: scale(1.1);
}

.volume-control input[type="range"] {
  width: 80px;
  height: 4px;
  -webkit-appearance: none;
  appearance: none;
  background: var(--bg-secondary);
  border-radius: 2px;
  outline: none;
  border: none;
  transition: var(--transition);
}

.volume-control input[type="range"]:hover {
  background: var(--bg-tertiary);
}

.volume-control input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 14px;
  height: 14px;
  background: var(--accent-primary);
  border-radius: 50%;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: var(--shadow-sm);
}

.volume-control input[type="range"]::-webkit-slider-thumb:hover {
  background: var(--accent-hover);
  transform: scale(1.2);
  box-shadow: var(--shadow-glow);
}

.volume-control input[type="range"]::-moz-range-thumb {
  width: 14px;
  height: 14px;
  background: var(--accent-primary);
  border-radius: 50%;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}

.volume-control input[type="range"]::-moz-range-thumb:hover {
  background: var(--accent-hover);
  transform: scale(1.2);
  box-shadow: var(--shadow-glow);
}

.playback-options {
  display: flex;
  gap: 8px;
}

.option-btn {
  width: 32px;
  height: 32px;
  border: none;
  border-radius: 50%;
  background: var(--bg-secondary);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  position: relative;
  overflow: hidden;
}

.option-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--accent-gradient);
  border-radius: 50%;
  opacity: 0;
  transition: all 0.3s ease;
  transform: scale(0);
}

.option-btn:hover::before {
  opacity: 1;
  transform: scale(1);
}

.option-btn:hover {
  transform: scale(1.1) rotate(5deg);
  box-shadow: var(--shadow-glow);
}

.option-btn.active {
  background: var(--accent-primary);
  color: white;
  animation: bounce 0.6s ease;
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateY(0);
  }
  40% {
    transform: translateY(-5px);
  }
  60% {
    transform: translateY(-3px);
  }
}

/* Responsive Design for Audio Bar */
@media (max-width: 1024px) {
  .audio-bar-content {
    padding: 0 16px;
  }
  
  .now-playing-info {
    min-width: 150px;
  }
  
  .track-title,
  .track-artist {
    max-width: 130px;
  }
  
  .audio-progress {
    max-width: 200px;
    margin: 0 16px;
  }
  
  .volume-control input[type="range"] {
    width: 60px;
  }
}

@media (max-width: 768px) {
  .fixed-audio-bar {
    height: 90px;
  }
  
  body {
    padding-bottom: 90px;
  }
  
  .audio-bar-content {
    flex-direction: column;
    gap: 8px;
    padding: 8px 16px;
  }
  
  .now-playing-info {
    min-width: auto;
    text-align: center;
  }
  
  .track-title,
  .track-artist {
    max-width: none;
    text-align: center;
  }
  
  .audio-progress {
    max-width: none;
    margin: 0;
    order: -1;
  }
  
  .audio-options {
    gap: 16px;
  }
  
  .volume-control input[type="range"] {
    width: 80px;
  }
}

@media (max-width: 480px) {
  .fixed-audio-bar {
    height: 100px;
  }
  
  body {
    padding-bottom: 100px;
  }
  
  .audio-controls {
    gap: 8px;
  }
  
  .control-btn-fixed {
    width: 32px;
    height: 32px;
    font-size: 0.9rem;
  }
  
  .control-btn-fixed.play-pause {
    width: 40px;
    height: 40px;
    font-size: 1rem;
  }
  
  .audio-options {
    gap: 12px;
  }
  
  .option-btn {
    width: 28px;
    height: 28px;
    font-size: 0.8rem;
  }
}

/* Full Screen Player Overlay */
.fullscreen-player {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #0a0a0f 0%, #1a1a2e 50%, #16213e 100%);
  z-index: 2000;
  opacity: 0;
  visibility: hidden;
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  backdrop-filter: blur(20px);
}

.fullscreen-player.active {
  opacity: 1;
  visibility: visible;
}

.fullscreen-content {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px;
  overflow: hidden;
}

/* Close Button */
.close-btn {
  position: absolute;
  top: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  border: none;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  color: white;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.close-btn:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: scale(1.1) rotate(90deg);
  box-shadow: 0 0 20px rgba(255, 255, 255, 0.3);
}

/* Cover Art Section */
.cover-art-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 40px;
  margin-bottom: 60px;
  animation: slideInUp 0.8s ease-out;
}

@keyframes slideInUp {
  from {
    transform: translateY(50px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.cover-art-container {
  width: 400px;
  height: 400px;
  border-radius: 20px;
  overflow: hidden;
  position: relative;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
  animation: coverArtFloat 6s ease-in-out infinite;
}

@keyframes coverArtFloat {
  0%, 100% {
    transform: translateY(0) rotate(0deg);
  }
  25% {
    transform: translateY(-10px) rotate(1deg);
  }
  75% {
    transform: translateY(10px) rotate(-1deg);
  }
}

/* Default Cover Art Animation */
.cover-art-container::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(45deg, #667eea, #764ba2, #f093fb, #f5576c);
  background-size: 400% 400%;
  animation: gradientShift 8s ease infinite;
}

@keyframes gradientShift {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

.cover-art-container::after {
  content: '🎵';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 8rem;
  opacity: 0.8;
  animation: musicNoteFloat 3s ease-in-out infinite;
}

@keyframes musicNoteFloat {
  0%, 100% {
    transform: translate(-50%, -50%) scale(1);
  }
  50% {
    transform: translate(-50%, -50%) scale(1.1);
  }
}

/* When cover art is available */
.cover-art-container.has-cover {
  background: none;
}

.cover-art-container.has-cover::before,
.cover-art-container.has-cover::after {
  display: none;
}

.cover-art-container img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 20px;
  transition: all 0.3s ease;
}

.cover-art-container:hover img {
  transform: scale(1.05);
}

/* Song Info Full Screen */
.song-info-fullscreen {
  text-align: center;
  animation: fadeInUp 1s ease-out 0.3s both;
}

@keyframes fadeInUp {
  from {
    transform: translateY(30px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.song-title-fullscreen {
  font-size: 3rem;
  font-weight: 700;
  color: white;
  margin-bottom: 10px;
  text-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
  background: linear-gradient(45deg, #fff, #e0e7ff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.song-artist-fullscreen {
  font-size: 1.5rem;
  color: var(--text-secondary);
  margin-bottom: 5px;
  font-weight: 500;
}

.song-album-fullscreen {
  font-size: 1.2rem;
  color: var(--text-muted);
  font-weight: 400;
}

/* Full Screen Controls */
.fullscreen-controls {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 40px;
  animation: slideInUp 1s ease-out 0.6s both;
}

.control-row {
  display: flex;
  align-items: center;
  gap: 30px;
}

.control-btn-large {
  width: 80px;
  height: 80px;
  border: none;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  color: white;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  position: relative;
  overflow: hidden;
}

.control-btn-large::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--accent-gradient);
  border-radius: 50%;
  opacity: 0;
  transition: opacity 0.3s ease;
  transform: scale(0);
}

.control-btn-large:hover::before {
  opacity: 1;
  transform: scale(1);
}

.control-btn-large:hover {
  transform: scale(1.1);
  box-shadow: 0 0 30px rgba(99, 102, 241, 0.5);
}

.play-pause-large {
  width: 100px;
  height: 100px;
  font-size: 2.5rem;
  background: var(--accent-primary);
  border: none;
}

.play-pause-large:hover {
  background: var(--accent-hover);
  transform: scale(1.15);
  box-shadow: 0 0 40px rgba(99, 102, 241, 0.7);
}

.play-pause-large.playing {
  animation: pulse 2s infinite;
}

/* Progress Section */
.progress-section {
  width: 100%;
  max-width: 600px;
  text-align: center;
}

.time-display-fullscreen {
  display: flex;
  justify-content: space-between;
  margin-bottom: 15px;
  font-size: 1.2rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.progress-bar-fullscreen {
  width: 100%;
  height: 8px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 4px;
  overflow: hidden;
  cursor: pointer;
  position: relative;
  transition: var(--transition);
}

.progress-bar-fullscreen:hover {
  height: 10px;
  background: rgba(255, 255, 255, 0.2);
}

.progress-fill-fullscreen {
  height: 100%;
  background: var(--accent-gradient);
  border-radius: 4px;
  width: 0%;
  transition: width 0.1s ease;
  position: relative;
  overflow: hidden;
}

.progress-fill-fullscreen::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
  animation: shimmer 2s infinite;
}

/* Additional Controls */
.additional-controls {
  display: flex;
  align-items: center;
  gap: 30px;
}

.control-btn-medium {
  width: 60px;
  height: 60px;
  border: none;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.control-btn-medium:hover {
  background: var(--accent-primary);
  color: white;
  transform: scale(1.1);
  box-shadow: 0 0 20px rgba(99, 102, 241, 0.5);
}

.control-btn-medium.active {
  background: var(--accent-primary);
  color: white;
  animation: bounce 0.6s ease;
}

.volume-control-fullscreen {
  display: flex;
  align-items: center;
  gap: 15px;
}

.volume-control-fullscreen .volume-icon {
  font-size: 1.5rem;
  color: var(--text-secondary);
  transition: var(--transition);
}

.volume-control-fullscreen:hover .volume-icon {
  color: white;
  transform: scale(1.1);
}

.volume-control-fullscreen input[type="range"] {
  width: 120px;
  height: 6px;
  -webkit-appearance: none;
  appearance: none;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 3px;
  outline: none;
  border: none;
  transition: var(--transition);
}

.volume-control-fullscreen input[type="range"]:hover {
  background: rgba(255, 255, 255, 0.2);
}

.volume-control-fullscreen input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  background: var(--accent-primary);
  border-radius: 50%;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: var(--shadow-sm);
}

.volume-control-fullscreen input[type="range"]::-webkit-slider-thumb:hover {
  background: var(--accent-hover);
  transform: scale(1.2);
  box-shadow: var(--shadow-glow);
}

.volume-control-fullscreen input[type="range"]::-moz-range-thumb {
  width: 18px;
  height: 18px;
  background: var(--accent-primary);
  border-radius: 50%;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}

.volume-control-fullscreen input[type="range"]::-moz-range-thumb:hover {
  background: var(--accent-hover);
  transform: scale(1.2);
  box-shadow: var(--shadow-glow);
}

/* Responsive Design for Full Screen Player */
@media (max-width: 1024px) {
  .cover-art-container {
    width: 350px;
    height: 350px;
  }
  
  .song-title-fullscreen {
    font-size: 2.5rem;
  }
  
  .song-artist-fullscreen {
    font-size: 1.3rem;
  }
  
  .control-btn-large {
    width: 70px;
    height: 70px;
    font-size: 1.8rem;
  }
  
  .play-pause-large {
    width: 90px;
    height: 90px;
    font-size: 2.2rem;
  }
}

@media (max-width: 768px) {
  .fullscreen-content {
    padding: 20px;
  }
  
  .cover-art-container {
    width: 280px;
    height: 280px;
  }
  
  .song-title-fullscreen {
    font-size: 2rem;
  }
  
  .song-artist-fullscreen {
    font-size: 1.1rem;
  }
  
  .control-row {
    gap: 20px;
  }
  
  .control-btn-large {
    width: 60px;
    height: 60px;
    font-size: 1.5rem;
  }
  
  .play-pause-large {
    width: 80px;
    height: 80px;
    font-size: 2rem;
  }
  
  .additional-controls {
    gap: 20px;
  }
  
  .control-btn-medium {
    width: 50px;
    height: 50px;
    font-size: 1.3rem;
  }
}

@media (max-width: 480px) {
  .cover-art-container {
    width: 220px;
    height: 220px;
  }
  
  .song-title-fullscreen {
    font-size: 1.5rem;
  }
  
  .song-artist-fullscreen {
    font-size: 1rem;
  }
  
  .control-row {
    gap: 15px;
  }
  
  .control-btn-large {
    width: 50px;
    height: 50px;
    font-size: 1.2rem;
  }
  
  .play-pause-large {
    width: 70px;
    height: 70px;
    font-size: 1.8rem;
  }
  
  .additional-controls {
    flex-direction: column;
    gap: 15px;
  }
  
  .volume-control-fullscreen input[type="range"] {
    width: 100px;
  }
}