/* ================================
   🎵 Modern Glassmorphic Music Player
   ================================ */

/* ==== Theme Variables ==== */
:root {
  /* Colors */
  --color-bg: #0a0a0f;
  --color-bg-secondary: #12121a;
  --color-accent: #ff4d6d;
  --color-accent-light: #ff7f99;
  --color-accent-dark: #e63653;
  --color-text: #ffffff;
  --color-text-secondary: rgba(255, 255, 255, 0.7);
  --color-text-muted: rgba(255, 255, 255, 0.5);
  --color-card: rgba(255, 255, 255, 0.08);
  --color-card-hover: rgba(255, 255, 255, 0.12);
  --color-border: rgba(255, 255, 255, 0.15);
  --color-success: #4ade80;
  --color-warning: #fbbf24;
  --color-vote-up: #10b981;
  --color-vote-down: #ef4444;

  /* Typography */
  --font-main: "Poppins", -apple-system, BlinkMacSystemFont, sans-serif;
  --fs-xs: 0.75rem;
  --fs-sm: 0.875rem;
  --fs-md: 1rem;
  --fs-lg: 1.125rem;
  --fs-xl: 1.25rem;
  --fs-2xl: 1.5rem;
  --fs-3xl: 2rem;
  --fs-4xl: 2.5rem;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;

  /* Effects */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --blur: 20px;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.15);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.25);
  --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.3);

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-main);
  background: var(--color-bg);
  color: var(--color-text);
  min-height: 100vh;
  line-height: 1.6;
  overflow-x: hidden;
}

/* ==== Background Effects ==== */
.bg-orbs {
  position: fixed;
  inset: 0;
  z-index: -2;
  overflow: hidden;
  pointer-events: none;
}

.bg-orbs span {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.2;
  animation: float 15s ease-in-out infinite;
}

.bg-orbs span:nth-child(1) {
  background: linear-gradient(45deg, var(--color-accent), var(--color-accent-light));
  top: 10%;
  left: 10%;
  width: 400px;
  height: 400px;
  animation-delay: 0s;
}

.bg-orbs span:nth-child(2) {
  background: linear-gradient(45deg, var(--color-accent-light), var(--color-accent));
  bottom: 20%;
  right: 15%;
  width: 350px;
  height: 350px;
  animation-delay: -5s;
}

.bg-orbs span:nth-child(3) {
  background: linear-gradient(45deg, var(--color-accent-dark), var(--color-accent));
  top: 50%;
  left: 60%;
  width: 300px;
  height: 300px;
  animation-delay: -10s;
}

/* ==== Navigation ==== */
.navbar {
  position: static;
  top: 0;
  padding: var(--space-lg) var(--space-xl);
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--color-card);
  backdrop-filter: blur(var(--blur));
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
  z-index: 1000;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--fs-xl);
  font-weight: 700;
  color: var(--color-accent);
}

.nav-brand i {
  font-size: var(--fs-2xl);
}

.nav-menu {
  display: flex;
  gap: var(--space-lg);
}

.nav-link {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  text-decoration: none;
  color: var(--color-text-secondary);
  font-weight: 500;
  transition: all var(--transition-normal);
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-text);
  background: var(--color-card-hover);
}

.nav-link.active {
  color: var(--color-accent);
}

.user-profile img {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 2px solid var(--color-border);
  transition: border-color var(--transition-normal);
}

.user-profile img:hover {
  border-color: var(--color-accent);
}

/* ==== Main Content ==== */
.main-content {
  padding: var(--space-xl);
  max-width: 1400px;
  margin: 0 auto;
  width: 100%;
}

/* ==== Hero Section ==== */
.hero-section {
  text-align: center;
  padding: var(--space-2xl) 0;
  margin-bottom: var(--space-2xl);
}

.hero-content h1 {
  font-size: var(--fs-4xl);
  font-weight: 700;
  background: linear-gradient(45deg, var(--color-accent), var(--color-accent-light));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: var(--space-md);
}

.hero-content p {
  font-size: var(--fs-lg);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* ==== Hero Actions ==== */
.hero-actions {
  display: flex;
  justify-content: center;
  gap: var(--space-md);
  margin-top: var(--space-xl);
}

.action-btn {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-lg);
  border: none;
  font-size: var(--fs-md);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-normal);
  text-decoration: none;
}

.action-btn.primary {
  background: var(--color-accent);
  color: white;
}

.action-btn.primary:hover {
  background: var(--color-accent-dark);
  transform: translateY(-2px);
}

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

.action-btn.secondary:hover {
  background: var(--color-card-hover);
  transform: translateY(-2px);
}

/* ==== Room Status ==== */
.room-status {
  background: var(--color-card);
  backdrop-filter: blur(var(--blur));
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  margin-bottom: var(--space-2xl);
  box-shadow: var(--shadow-lg);
}

.room-info {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.room-details h3 {
  font-size: var(--fs-xl);
  font-weight: 600;
  margin-bottom: var(--space-xs);
  color: var(--color-accent);
}

.room-details p {
  color: var(--color-text-secondary);
  font-size: var(--fs-sm);
}

.leave-room-btn {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  background: var(--color-vote-down);
  color: white;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-normal);
}

.leave-room-btn:hover {
  background: #dc2626;
  transform: translateY(-2px);
}

/* ==== Search Bar ==== */
.search-bar {
  display: flex;
  align-items: center;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-md);
  max-width: 500px;
  margin: 0 auto;
  backdrop-filter: blur(var(--blur));
  transition: all var(--transition-normal);
}

.search-bar:focus-within {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(255, 77, 109, 0.1);
}

.search-bar i {
  color: var(--color-text-muted);
  margin-right: var(--space-md);
}

.search-bar input {
  flex: 1;
  background: none;
  border: none;
  outline: none;
  color: var(--color-text);
  font-size: var(--fs-md);
}

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

.search-btn {
  background: var(--color-accent);
  border: none;
  border-radius: 50%;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  cursor: pointer;
  transition: all var(--transition-normal);
}

.search-btn:hover {
  background: var(--color-accent-dark);
  transform: scale(1.05);
}

/* ==== Stats Section ==== */
.stats-section {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-lg);
  margin-bottom: var(--space-2xl);
}

.stat-card {
  background: var(--color-card);
  backdrop-filter: blur(var(--blur));
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  display: flex;
  align-items: center;
  gap: var(--space-md);
  transition: all var(--transition-normal);
}

.stat-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  background: var(--color-card-hover);
}

.stat-card i {
  font-size: var(--fs-2xl);
  color: var(--color-accent);
  width: 50px;
  height: 50px;
  background: rgba(255, 77, 109, 0.1);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.stat-info h3 {
  font-size: var(--fs-2xl);
  font-weight: 700;
  margin-bottom: var(--space-xs);
}

.stat-info p {
  color: var(--color-text-secondary);
  font-size: var(--fs-sm);
}

/* ==== Player Widget ==== */
.player-widget {
  background: var(--color-card);
  backdrop-filter: blur(var(--blur));
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-lg);
  margin-bottom: var(--space-2xl);
  box-shadow: var(--shadow-lg);
}

.now-playing {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: var(--space-lg);
  align-items: center;
  margin-bottom: var(--space-md);
}

.track-info {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.album-cover {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-md);
  object-fit: cover;
}

.track-details h4 {
  font-size: var(--fs-md);
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.track-details p {
  color: var(--color-text-secondary);
  font-size: var(--fs-sm);
}

.player-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
}

.control-btn {
  width: 45px;
  height: 45px;
  border-radius: 50%;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-normal);
}

.control-btn.secondary {
  background: var(--color-card-hover);
  color: var(--color-text-secondary);
}

.control-btn.primary {
  background: var(--color-accent);
  color: white;
  width: 55px;
  height: 55px;
}

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

.control-btn.primary:hover {
  background: var(--color-accent-dark);
}

.player-extras {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.extra-btn {
  background: none;
  border: none;
  color: var(--color-text-secondary);
  cursor: pointer;
  padding: var(--space-sm);
  border-radius: var(--radius-sm);
  transition: all var(--transition-normal);
  font-size: var(--fs-md);
}

.extra-btn:hover {
  color: var(--color-accent);
  background: var(--color-card-hover);
}

.volume-control {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.volume-slider,
.progress-slider {
  -webkit-appearance: none;
  appearance: none;
  height: 4px;
  background: var(--color-border);
  border-radius: 2px;
  outline: none;
}

.volume-slider {
  width: 80px;
}

.progress-slider {
  width: 100%;
}

.volume-slider::-webkit-slider-thumb,
.progress-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 16px;
  height: 16px;
  background: var(--color-accent);
  border-radius: 50%;
  cursor: pointer;
}

.time {
  font-size: var(--fs-sm);
  color: var(--color-text-secondary);
  white-space: nowrap;
}

.progress-bar {
  margin-top: var(--space-md);
}

/* ==== Voting Section ==== */
.voting-section {
  background: var(--color-card);
  backdrop-filter: blur(var(--blur));
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
}

.add-song-btn {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  background: var(--color-accent);
  color: white;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-normal);
}

.add-song-btn:hover {
  background: var(--color-accent-dark);
  transform: translateY(-2px);
}

.voting-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.voting-item {
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md);
  background: var(--color-card-hover);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  transition: all var(--transition-normal);
}

.voting-item:hover {
  background: rgba(255, 255, 255, 0.15);
}

.voting-item img {
  width: 50px;
  height: 50px;
  border-radius: var(--radius-sm);
  object-fit: cover;
}

.vote-controls {
  display: flex;
  gap: var(--space-sm);
}

.vote-btn {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-sm);
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-normal);
  font-size: var(--fs-sm);
}

.vote-btn:first-child {
  background: rgba(16, 185, 129, 0.2);
  color: var(--color-vote-up);
}

.vote-btn:first-child:hover {
  background: rgba(16, 185, 129, 0.3);
  transform: scale(1.05);
}

.vote-btn:last-child {
  background: rgba(239, 68, 68, 0.2);
  color: var(--color-vote-down);
}

.vote-btn:last-child:hover {
  background: rgba(239, 68, 68, 0.3);
  transform: scale(1.05);
}

.vote-count {
  font-weight: 600;
  font-size: var(--fs-xs);
}

.vote-score {
  font-weight: 700;
  font-size: var(--fs-md);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
  background: var(--color-accent);
  color: white;
  min-width: 40px;
  text-align: center;
}

/* ==== Modals ==== */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(10px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 2000;
}

.modal-content {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  width: 90%;
  max-width: 500px;
  max-height: 80vh;
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

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

.modal-header h2 {
  font-size: var(--fs-xl);
  font-weight: 600;
}

.close-btn {
  background: none;
  border: none;
  color: var(--color-text-secondary);
  cursor: pointer;
  padding: var(--space-sm);
  border-radius: var(--radius-sm);
  transition: all var(--transition-normal);
}

.close-btn:hover {
  color: var(--color-text);
  background: var(--color-card-hover);
}

.modal-body {
  padding: var(--space-lg);
  max-height: 50vh;
  overflow-y: auto;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-md);
  padding: var(--space-lg);
  border-top: 1px solid var(--color-border);
}

/* ==== Form Elements ==== */
.form-group {
  margin-bottom: var(--space-lg);
}

.form-group label {
  display: block;
  margin-bottom: var(--space-sm);
  font-weight: 500;
  color: var(--color-text);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: var(--space-md);
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
  font-family: inherit;
  transition: all var(--transition-normal);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(255, 77, 109, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 80px;
}

.checkbox-group {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.checkbox-group input[type="checkbox"] {
  width: auto;
}

.btn {
  padding: var(--space-sm) var(--space-lg);
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  font-weight: 500;
  transition: all var(--transition-normal);
}

.btn.primary {
  background: var(--color-accent);
  color: white;
}

.btn.primary:hover {
  background: var(--color-accent-dark);
}

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

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

/* ==== Favorites List ==== */
.favorites-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  max-height: 200px;
  overflow-y: auto;
}

.favorite-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md);
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-normal);
}

.favorite-item:hover {
  background: var(--color-card-hover);
}

.favorite-item img {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  object-fit: cover;
}

.favorite-item .track-details {
  flex: 1;
}

.favorite-item .track-details h4 {
  font-size: var(--fs-sm);
  margin-bottom: 2px;
}

.favorite-item .track-details p {
  font-size: var(--fs-xs);
  color: var(--color-text-secondary);
}

.add-btn {
  background: var(--color-accent);
  color: white;
  border: none;
  border-radius: 50%;
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-normal);
}

.add-btn:hover {
  background: var(--color-accent-dark);
  transform: scale(1.1);
}

.divider {
  text-align: center;
  margin: var(--space-lg) 0;
  color: var(--color-text-muted);
  position: relative;
}

.divider::before,
.divider::after {
  content: '';
  position: absolute;
  top: 50%;
  width: 45%;
  height: 1px;
  background: var(--color-border);
}

.divider::before {
  left: 0;
}

.divider::after {
  right: 0;
}

.search-input {
  position: relative;
  display: flex;
  align-items: center;
}

.search-input i {
  position: absolute;
  left: var(--space-md);
  color: var(--color-text-muted);
  z-index: 1;
}

.search-input input {
  padding-left: 2.5rem;
}

.search-results {
  margin-top: var(--space-md);
  max-height: 200px;
  overflow-y: auto;
}

/* ==== Track Actions ==== */
.track-actions {
  display: flex;
  gap: var(--space-xs);
}

.track-action {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: all var(--transition-normal);
  font-size: var(--fs-sm);
}

.track-item:hover .track-action {
  opacity: 1;
}

.track-action:hover {
  background: var(--color-accent);
  color: white;
  transform: scale(1.1);
}

/* ==== Content Sections ==== */
.content-section {
  margin-bottom: var(--space-2xl);
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-lg);
}

.section-header h2 {
  font-size: var(--fs-2xl);
  font-weight: 600;
}

.see-all {
  color: var(--color-accent);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--transition-normal);
}

.see-all:hover {
  color: var(--color-accent-light);
}

/* ==== Playlist Grid ==== */
.playlist-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: var(--space-lg);
}

.playlist-card {
  background: var(--color-card);
  backdrop-filter: blur(var(--blur));
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  transition: all var(--transition-normal);
  cursor: pointer;
}

.playlist-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
  background: var(--color-card-hover);
}

.playlist-cover {
  position: relative;
  margin-bottom: var(--space-md);
  overflow: hidden;
  border-radius: var(--radius-md);
}

.playlist-cover img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  transition: transform var(--transition-normal);
}

.playlist-card:hover .playlist-cover img {
  transform: scale(1.05);
}

.play-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.playlist-card:hover .play-overlay {
  opacity: 1;
}

.play-btn {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--color-accent);
  border: none;
  color: white;
  font-size: var(--fs-lg);
  cursor: pointer;
  transition: all var(--transition-normal);
}

.play-btn:hover {
  background: var(--color-accent-dark);
  transform: scale(1.1);
}

.playlist-info h3 {
  font-size: var(--fs-lg);
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.playlist-info p {
  color: var(--color-text-secondary);
  font-size: var(--fs-sm);
  margin-bottom: var(--space-sm);
}

.track-count {
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
  background: var(--color-card-hover);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
  display: inline-block;
}

/* ==== Track List ==== */
.track-list {
  background: var(--color-card);
  backdrop-filter: blur(var(--blur));
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.track-item {
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  border-bottom: 1px solid var(--color-border);
  transition: background var(--transition-normal);
}

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

.track-item:hover {
  background: var(--color-card-hover);
}

.track-item img {
  width: 50px;
  height: 50px;
  border-radius: var(--radius-sm);
  object-fit: cover;
}

.track-item .track-details h4 {
  font-size: var(--fs-md);
  font-weight: 500;
  margin-bottom: 2px;
}

.track-item .track-details p {
  color: var(--color-text-secondary);
  font-size: var(--fs-sm);
}

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

/* ==== Animations ==== */
@keyframes float {
  0%, 100% { 
    transform: translateY(0px) rotate(0deg); 
  }
  33% { 
    transform: translateY(-20px) rotate(2deg); 
  }
  66% { 
    transform: translateY(10px) rotate(-1deg); 
  }
}

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

/* ==== Responsive Design ==== */
@media (max-width: 1200px) {
  .main-content {
    padding: var(--space-lg);
  }
  
  .playlist-grid {
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  }
}

@media (max-width: 768px) {
  .navbar {
    padding: var(--space-md);
    flex-direction: column;
    gap: var(--space-md);
  }
  
  .nav-menu {
    flex-wrap: wrap;
    justify-content: center;
  }
  
  .main-content {
    padding: var(--space-md);
  }
  
  .hero-content h1 {
    font-size: var(--fs-3xl);
  }
  
  .hero-actions {
    flex-direction: column;
    align-items: center;
  }
  
  .action-btn {
    width: 100%;
    max-width: 300px;
    justify-content: center;
  }
  
  .stats-section {
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  }
  
  .now-playing {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--space-md);
  }
  
  .player-extras {
    justify-content: center;
    flex-wrap: wrap;
  }
  
  .playlist-grid {
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  }
  
  .track-item {
    grid-template-columns: auto 1fr auto;
    gap: var(--space-sm);
  }
  
  .track-duration {
    display: none;
  }
  
  .voting-item {
    grid-template-columns: auto 1fr auto;
  }
  
  .vote-controls {
    flex-direction: column;
  }
  
  .room-info {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-md);
  }
  
  .modal-content {
    width: 95%;
    margin: var(--space-md);
  }
}

@media (max-width: 480px) {
  .search-bar {
    max-width: 100%;
  }
  
  .stats-section {
    grid-template-columns: 1fr 1fr;
  }
  
  .playlist-grid {
    grid-template-columns: 1fr;
  }
  
  .section-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-sm);
  }
  
  .track-actions {
    flex-direction: column;
  }
  
  .favorites-list {
    max-height: 150px;
  }
}

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

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

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

::-webkit-scrollbar-thumb:hover {
  background: var(--color-accent);
}

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

/* ==== Focus States ==== */
button:focus-visible,
input:focus-visible,
a:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* ==== Utility Classes ==== */
.fade-in {
  animation: slideIn 0.3s ease forwards;
}

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

.hidden {
  display: none !important;
}