/*
Theme Name: RadioUniversal
Theme URI: https://radiouniversal.com
Author: RadioUniversal Team
Author URI: https://radiouniversal.com
Description: Portal de música estilo YouTube Music. Reproductor de audio, playlists automáticas, gestión de bandas, álbumes y lista de producción.
Version: 1.0.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: radiouniversal
Tags: music, radio, playlist, audio, streaming, dark
*/

/* ============================================
   VARIABLES CSS
   ============================================ */
:root {
  --bg-primary: #000000;
  --bg-secondary: #0a0a0a;
  --bg-tertiary: #121212;
  --bg-card: #181818;
  --bg-card-hover: #282828;
  --bg-surface: #1a1a1a;
  --bg-input: #2a2a2a;
  --text-primary: #ffffff;
  --text-secondary: #b3b3b3;
  --text-muted: #727272;
  --accent: #1db954;
  --accent-hover: #1ed760;
  --accent-active: #169c46;
  --danger: #e91429;
  --warning: #ffa42b;
  --info: #2e77d0;
  --border: #282828;
  --border-light: #333333;
  --shadow: 0 8px 24px rgba(0,0,0,0.5);
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
  --radius: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --header-height: 64px;
  --sidebar-width: 72px;
  --sidebar-expanded: 240px;
  --player-height: 90px;
  --transition: all 0.2s ease;
  --font-main: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --max-width: 1400px;
}

/* ============================================
   RESET & BASE
   ============================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-main);
  font-size: 14px;
  line-height: 1.5;
  color: var(--text-primary);
  background: var(--bg-primary);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  color: var(--text-primary);
  text-decoration: none;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

ul, ol { list-style: none; }

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-primary);
}

h1 { font-size: 2rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.2rem; }

button {
  font-family: var(--font-main);
  cursor: pointer;
  border: none;
  outline: none;
}

input, select, textarea {
  font-family: var(--font-main);
  outline: none;
}

/* Scrollbar */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #535353; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: #727272; }

/* ============================================
   HEADER / TOPBAR
   ============================================ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: rgba(0,0,0,0.95);
  backdrop-filter: blur(20px);
  z-index: 1000;
  display: flex;
  align-items: center;
  padding: 0 1rem;
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  gap: 1rem;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: var(--text-primary);
  font-size: 1.5rem;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--text-primary);
  white-space: nowrap;
  letter-spacing: -0.5px;
}

.site-logo .logo-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, #e91429, #ff6b35);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
}

.site-logo span {
  color: var(--accent);
}

/* Search */
.header-search {
  flex: 0 1 480px;
  position: relative;
}

.header-search form {
  display: flex;
  width: 100%;
}

.header-search input[type="search"] {
  width: 100%;
  height: 40px;
  padding: 0 44px 0 16px;
  background: var(--bg-input);
  border: 1px solid transparent;
  border-radius: 24px;
  color: var(--text-primary);
  font-size: 0.9rem;
  transition: var(--transition);
}

.header-search input[type="search"]::placeholder {
  color: var(--text-muted);
}

.header-search input[type="search"]:focus {
  border-color: var(--text-primary);
  background: var(--bg-primary);
}

.header-search .search-btn {
  position: absolute;
  right: 4px;
  top: 50%;
  transform: translateY(-50%);
  width: 32px;
  height: 32px;
  background: var(--text-primary);
  color: var(--bg-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.header-search .search-btn:hover {
  transform: translateY(-50%) scale(1.05);
}

.search-suggestions {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: #282828;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  display: none;
  z-index: 1001;
  max-height: 400px;
  overflow-y: auto;
  margin-top: 4px;
}

.search-suggestions.active { display: block; }

.search-suggestion-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  cursor: pointer;
  transition: var(--transition);
}

.search-suggestion-item:hover {
  background: var(--bg-card-hover);
}

.search-suggestion-item img {
  width: 40px;
  height: 40px;
  border-radius: 4px;
  object-fit: cover;
}

.search-suggestion-item .suggestion-info h4 {
  font-size: 0.9rem;
  font-weight: 500;
}

.search-suggestion-item .suggestion-info p {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

/* Header Right */
.header-right {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.header-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-light);
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 500;
  transition: var(--transition);
  white-space: nowrap;
}

.header-btn:hover {
  background: var(--bg-card-hover);
  border-color: var(--text-primary);
}

.header-btn.primary {
  background: var(--accent);
  color: #000;
  border-color: var(--accent);
}

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

.header-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: transparent;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  border: none;
  font-size: 1rem;
}

.header-icon:hover {
  background: var(--bg-card-hover);
}

/* ============================================
   SIDEBAR (LEFT)
   ============================================ */
.sidebar-left {
  position: fixed;
  top: var(--header-height);
  left: 0;
  bottom: var(--player-height);
  width: var(--sidebar-width);
  background: var(--bg-primary);
  z-index: 999;
  display: flex;
  flex-direction: column;
  transition: width 0.3s ease;
  overflow: hidden;
}

.sidebar-left.expanded {
  width: var(--sidebar-expanded);
}

.sidebar-nav {
  flex: 1;
  padding: 8px 0;
  overflow-y: auto;
}

.sidebar-nav-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px 24px;
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  transition: var(--transition);
  cursor: pointer;
  border: none;
  background: none;
  width: 100%;
  text-align: left;
}

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

.sidebar-nav-item.active {
  color: var(--text-primary);
  background: var(--bg-card);
}

.sidebar-nav-item .nav-icon {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.sidebar-nav-item .nav-label {
  white-space: nowrap;
  opacity: 0;
  transition: opacity 0.2s;
}

.sidebar-left.expanded .sidebar-nav-item .nav-label {
  opacity: 1;
}

.sidebar-divider {
  height: 1px;
  background: var(--border);
  margin: 8px 24px;
}

.sidebar-section-title {
  padding: 16px 24px 8px;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  white-space: nowrap;
  opacity: 0;
  transition: opacity 0.2s;
}

.sidebar-left.expanded .sidebar-section-title {
  opacity: 1;
}

/* Playlist items in sidebar */
.sidebar-playlist {
  padding: 4px 8px;
}

.sidebar-playlist-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 16px;
  border-radius: var(--radius);
  color: var(--text-secondary);
  font-size: 0.85rem;
  transition: var(--transition);
  cursor: pointer;
}

.sidebar-playlist-item:hover {
  background: var(--bg-card);
  color: var(--text-primary);
}

.sidebar-playlist-item .pl-cover {
  width: 32px;
  height: 32px;
  border-radius: 4px;
  background: var(--bg-card);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  flex-shrink: 0;
  overflow: hidden;
}

.sidebar-playlist-item .pl-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ============================================
   MAIN CONTENT
   ============================================ */
.site-content {
  margin-top: var(--header-height);
  margin-left: var(--sidebar-width);
  margin-bottom: var(--player-height);
  min-height: calc(100vh - var(--header-height) - var(--player-height));
  padding: 1.5rem;
  transition: margin-left 0.3s ease;
}

.content-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 1.5rem;
  max-width: var(--max-width);
  margin: 0 auto;
}

/* ============================================
   SECTION HEADERS
   ============================================ */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
}

.section-header h2 {
  font-size: 1.5rem;
  font-weight: 700;
}

.section-header .view-all {
  color: var(--text-secondary);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.section-header .view-all:hover {
  color: var(--text-primary);
}

/* ============================================
   CARDS (Álbumes, Playlists, Artistas)
   ============================================ */
.music-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 16px;
  transition: background 0.3s;
  cursor: pointer;
  position: relative;
}

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

.music-card.is-playing {
  background: rgba(29,185,84,0.1);
  border: 1px solid rgba(29,185,84,0.3);
}

.music-card.is-playing .card-title {
  color: var(--accent);
}

.music-card.is-playing .card-cover .play-btn {
  opacity: 1;
  transform: translateY(0);
  background: var(--accent);
  animation: pulse-play 1.5s ease infinite;
}

@keyframes pulse-play {
  0%, 100% { box-shadow: 0 0 0 0 rgba(29,185,84,0.4); }
  50% { box-shadow: 0 0 0 12px rgba(29,185,84,0); }
}

.music-card .card-cover {
  position: relative;
  width: 100%;
  padding-bottom: 100%;
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 12px;
  background: var(--bg-tertiary);
}

.music-card .card-cover img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.music-card .card-cover .play-btn {
  position: absolute;
  bottom: 8px;
  right: 8px;
  width: 48px;
  height: 48px;
  background: var(--accent);
  color: #000;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  opacity: 0;
  transform: translateY(8px);
  transition: all 0.3s ease;
  box-shadow: 0 8px 16px rgba(0,0,0,0.5);
}

.music-card:hover .card-cover .play-btn {
  opacity: 1;
  transform: translateY(0);
}

.music-card .card-cover .play-btn:hover {
  transform: scale(1.05);
  background: var(--accent-hover);
}

.music-card .card-title {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.music-card .card-subtitle {
  font-size: 0.8rem;
  color: var(--text-secondary);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Artist Card (circular) */
.artist-card .card-cover {
  border-radius: 50%;
}

.artist-card .card-title {
  text-align: center;
}

.artist-card .card-subtitle {
  text-align: center;
}

/* ============================================
   TRACK LIST
   ============================================ */
.track-list {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
}

.track-item {
  display: grid;
  grid-template-columns: 40px 50px 1fr 1fr 100px 50px;
  align-items: center;
  gap: 16px;
  padding: 8px 16px;
  border-radius: var(--radius);
  transition: var(--transition);
  cursor: pointer;
}

.track-item:hover {
  background: rgba(255,255,255,0.1);
}

.track-item.playing {
  background: rgba(29,185,84,0.1);
}

.track-item .track-num {
  color: var(--text-secondary);
  font-size: 0.9rem;
  text-align: center;
}

.track-item.playing .track-num {
  color: var(--accent);
}

.track-item .track-cover {
  width: 40px;
  height: 40px;
  border-radius: 4px;
  overflow: hidden;
  background: var(--bg-card);
}

.track-item .track-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.track-item .track-info {
  min-width: 0;
}

.track-item .track-title {
  font-size: 0.95rem;
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.track-item.playing .track-title {
  color: var(--accent);
}

.track-item .track-artist {
  font-size: 0.8rem;
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.track-item .track-album {
  font-size: 0.8rem;
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.track-item .track-duration {
  font-size: 0.85rem;
  color: var(--text-secondary);
  text-align: right;
}

.track-item .track-actions {
  display: flex;
  align-items: center;
  justify-content: center;
}

.track-item .track-actions button {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 1rem;
  padding: 4px;
  opacity: 0;
  transition: var(--transition);
}

.track-item:hover .track-actions button {
  opacity: 1;
}

.track-item .track-actions button:hover {
  color: var(--text-primary);
}

/* ============================================
   PLAYER BAR (BOTTOM)
   ============================================ */
.player-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: var(--player-height);
  background: #181818;
  border-top: 1px solid var(--border);
  z-index: 1001;
  display: grid;
  grid-template-columns: 1fr 2fr 1fr;
  align-items: center;
  padding: 0 16px;
  gap: 16px;
}

/* Player Left: Current Track */
.player-left {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.player-cover {
  width: 56px;
  height: 56px;
  border-radius: 4px;
  overflow: hidden;
  flex-shrink: 0;
  background: var(--bg-card);
}

.player-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.player-track-info {
  min-width: 0;
}

.player-track-info .track-name {
  font-size: 0.85rem;
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 200px;
}

.player-track-info .track-artist-name {
  font-size: 0.75rem;
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 200px;
}

.player-track-info .track-artist-name:hover {
  color: var(--text-primary);
  text-decoration: underline;
  cursor: pointer;
}

.player-like {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 1rem;
  padding: 4px;
  transition: var(--transition);
}

.player-like:hover {
  color: var(--text-primary);
}

.player-like.liked {
  color: var(--accent);
}

/* Player Center: Controls */
.player-center {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

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

.player-controls button {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 1rem;
  padding: 4px;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
}

.player-controls button:hover {
  color: var(--text-primary);
}

.player-controls .play-pause {
  width: 36px;
  height: 36px;
  background: var(--text-primary);
  color: #000;
  border-radius: 50%;
  font-size: 1rem;
}

.player-controls .play-pause:hover {
  transform: scale(1.05);
}

.player-controls .shuffle.active,
.player-controls .repeat.active {
  color: var(--accent);
}

.player-progress {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  max-width: 600px;
}

.player-progress .time {
  font-size: 0.7rem;
  color: var(--text-secondary);
  min-width: 40px;
  text-align: center;
}

.progress-bar {
  flex: 1;
  height: 4px;
  background: #535353;
  border-radius: 2px;
  cursor: pointer;
  position: relative;
  transition: height 0.1s;
}

.progress-bar:hover {
  height: 6px;
}

.progress-bar .progress-fill {
  height: 100%;
  background: var(--text-primary);
  border-radius: 2px;
  position: relative;
  transition: width 0.1s linear;
}

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

.progress-bar .progress-fill::after {
  content: '';
  position: absolute;
  right: -6px;
  top: 50%;
  transform: translateY(-50%);
  width: 12px;
  height: 12px;
  background: var(--text-primary);
  border-radius: 50%;
  opacity: 0;
  transition: opacity 0.1s;
}

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

/* Player Right: Volume & Extras */
.player-right {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
}

.player-right button {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 1rem;
  padding: 4px;
  transition: var(--transition);
}

.player-right button:hover {
  color: var(--text-primary);
}

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

.volume-bar {
  width: 100px;
  height: 4px;
  background: #535353;
  border-radius: 2px;
  cursor: pointer;
  position: relative;
}

.volume-bar .volume-fill {
  height: 100%;
  background: var(--text-primary);
  border-radius: 2px;
  width: 70%;
}

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

/* ============================================
   QUEUE / UP NEXT SIDEBAR (RIGHT)
   ============================================ */
.queue-panel {
  position: fixed;
  top: var(--header-height);
  right: 0;
  bottom: var(--player-height);
  width: 360px;
  background: var(--bg-secondary);
  border-left: 1px solid var(--border);
  z-index: 998;
  display: none;
  flex-direction: column;
}

.queue-panel.active {
  display: flex;
}

.queue-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.queue-header h3 {
  font-size: 1rem;
}

.queue-header button {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 1.2rem;
}

.queue-list {
  flex: 1;
  overflow-y: auto;
  padding: 8px;
}

.queue-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px;
  border-radius: var(--radius);
  transition: var(--transition);
}

.queue-item:hover {
  background: rgba(255,255,255,0.05);
}

.queue-item.playing {
  background: rgba(29,185,84,0.1);
}

.queue-item img {
  width: 40px;
  height: 40px;
  border-radius: 4px;
  object-fit: cover;
}

.queue-item .qi-info h4 {
  font-size: 0.85rem;
  font-weight: 500;
}

.queue-item.playing .qi-info h4 {
  color: var(--accent);
}

.queue-item .qi-info p {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

/* ============================================
   HERO / FEATURED
   ============================================ */
.hero-section {
  position: relative;
  height: 340px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 2rem;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 2rem;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  background: var(--accent);
  color: #000;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 700;
  width: fit-content;
  margin-bottom: 12px;
}

.hero-content h1 {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 8px;
}

.hero-content p {
  font-size: 1rem;
  color: var(--text-secondary);
  max-width: 500px;
  margin-bottom: 1rem;
}

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

.hero-play-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 32px;
  background: var(--accent);
  color: #000;
  border-radius: 30px;
  font-size: 0.95rem;
  font-weight: 700;
  transition: var(--transition);
}

.hero-play-btn:hover {
  background: var(--accent-hover);
  transform: scale(1.03);
}

.hero-play-btn svg {
  width: 20px;
  height: 20px;
}

/* ============================================
   CATEGORY PILLS
   ============================================ */
.category-pills {
  display: flex;
  gap: 8px;
  margin-bottom: 1.5rem;
  overflow-x: auto;
  padding-bottom: 8px;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
}

.category-pills::-webkit-scrollbar { height: 0; }

.pill {
  padding: 8px 16px;
  background: rgba(255,255,255,0.07);
  color: var(--text-primary);
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 500;
  white-space: nowrap;
  cursor: pointer;
  transition: var(--transition);
  border: none;
}

.pill:hover {
  background: rgba(255,255,255,0.15);
}

.pill.active {
  background: var(--text-primary);
  color: var(--bg-primary);
}

/* ============================================
   UPLOAD MODAL
   ============================================ */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0,0,0,0.8);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.modal-overlay.active { display: flex; }

.modal {
  background: #282828;
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 640px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow);
}

.modal-header {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  background: #282828;
  z-index: 1;
}

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

.modal-close {
  width: 32px;
  height: 32px;
  background: var(--bg-input);
  border-radius: 50%;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  transition: var(--transition);
}

.modal-close:hover {
  background: #444;
}

.modal-body {
  padding: 1.5rem;
}

/* Forms */
.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.form-group .required {
  color: var(--danger);
}

.form-group input[type="text"],
.form-group input[type="number"],
.form-group input[type="url"],
.form-group input[type="date"],
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 10px 14px;
  background: var(--bg-input);
  border: 1px solid transparent;
  border-radius: var(--radius);
  color: var(--text-primary);
  font-size: 0.9rem;
  transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--text-primary);
}

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

.form-group select {
  cursor: pointer;
}

.form-group .form-hint {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 4px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

/* Audio Upload */
.audio-upload {
  border: 2px dashed var(--border-light);
  border-radius: var(--radius-lg);
  padding: 2rem;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
}

.audio-upload:hover {
  border-color: var(--accent);
  background: rgba(29,185,84,0.05);
}

.audio-upload .upload-icon {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
}

.audio-upload p {
  color: var(--text-secondary);
  font-size: 0.85rem;
}

.audio-upload .upload-hint {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 4px;
}

/* Cover Upload */
.cover-upload {
  width: 120px;
  height: 120px;
  border: 2px dashed var(--border-light);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
  overflow: hidden;
}

.cover-upload:hover {
  border-color: var(--accent);
}

.cover-upload img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.cover-upload .upload-icon {
  font-size: 1.5rem;
  margin-bottom: 4px;
}

.cover-upload span {
  font-size: 0.7rem;
  color: var(--text-muted);
}

/* Form Actions */
.form-actions {
  display: flex;
  gap: 1rem;
  justify-content: flex-end;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
  margin-top: 1.5rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 24px;
  border-radius: 20px;
  font-size: 0.9rem;
  font-weight: 600;
  transition: var(--transition);
  border: none;
  cursor: pointer;
}

.btn-primary {
  background: var(--accent);
  color: #000;
}

.btn-primary:hover {
  background: var(--accent-hover);
  transform: scale(1.02);
}

.btn-secondary {
  background: var(--bg-input);
  color: var(--text-primary);
}

.btn-secondary:hover {
  background: #3a3a3a;
}

/* ============================================
   TOAST NOTIFICATIONS
   ============================================ */
.toast-container {
  position: fixed;
  bottom: calc(var(--player-height) + 16px);
  right: 16px;
  z-index: 3000;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  background: #2e77d0;
  color: white;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  min-width: 280px;
  animation: toast-in 0.3s ease;
}

.toast.success { background: var(--accent); color: #000; }
.toast.error { background: var(--danger); }
.toast.warning { background: var(--warning); color: #000; }

.toast .toast-close {
  background: none;
  border: none;
  color: inherit;
  opacity: 0.7;
  font-size: 1rem;
  margin-left: auto;
}

.toast .toast-close:hover { opacity: 1; }

@keyframes toast-in {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* ============================================
   ADMIN STYLES
   ============================================ */
.admin-page {
  max-width: 1000px;
  margin: 0 auto;
}

.admin-page h1 {
  margin-bottom: 1.5rem;
}

.admin-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

.admin-stat {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  text-align: center;
}

.admin-stat .stat-number {
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
}

.admin-stat .stat-label {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-top: 4px;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  .player-bar {
    grid-template-columns: 1fr 1fr;
  }
  .player-right {
    display: none;
  }
  .track-item {
    grid-template-columns: 30px 40px 1fr 80px;
  }
  .track-item .track-album {
    display: none;
  }
}

@media (max-width: 768px) {
  .sidebar-left {
    display: none;
    width: var(--sidebar-expanded);
    background: var(--bg-primary);
    z-index: 1000;
  }
  .sidebar-left.mobile-active {
    display: flex;
  }
  .hamburger { display: block; }
  .site-content {
    margin-left: 0;
    padding: 1rem;
  }
  .header-search {
    display: none;
  }
  .header-btn span {
    display: none;
  }
  .header-btn {
    padding: 8px;
    border-radius: 50%;
    width: 36px;
    height: 36px;
    justify-content: center;
  }
  .hero-section {
    height: 240px;
  }
  .hero-content h1 {
    font-size: 1.5rem;
  }
  .content-grid {
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 1rem;
  }
  .player-bar {
    grid-template-columns: 1fr 1fr;
    padding: 0 8px;
    height: 64px;
  }
  .player-cover {
    width: 40px;
    height: 40px;
  }
  .player-controls {
    gap: 8px;
  }
  .player-progress {
    display: none;
  }
  .queue-panel {
    width: 100%;
  }
  .track-item {
    grid-template-columns: 30px 1fr 60px;
    gap: 8px;
    padding: 8px;
  }
  .track-item .track-cover {
    display: none;
  }
  .track-item .track-actions {
    display: none;
  }
}

@media (max-width: 480px) {
  .content-grid {
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
  }
  .music-card {
    padding: 10px;
  }
  .hero-section {
    height: 200px;
    border-radius: var(--radius);
  }
}

/* ============================================
   UTILITIES
   ============================================ */
.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.hidden { display: none !important; }

/* Print */
@media print {
  .site-header, .sidebar-left, .player-bar, .queue-panel { display: none !important; }
  .site-content { margin: 0; }
}