@import url('https://fonts.googleapis.com/css2?family=Be+Vietnam+Pro:wght@300;400;500;600;700;800;900&display=swap');

/* ===== NCT-Inspired Glassmorphism Variables ===== */
:root {
  /* Core colors - deeper, richer dark */
  --bg-primary: #050510;
  --bg-secondary: #0a0a20;
  --glass-bg: rgba(255, 255, 255, 0.03);
  --glass-bg-hover: rgba(255, 255, 255, 0.07);
  --glass-bg-active: rgba(255, 255, 255, 0.11);
  --glass-border: rgba(255, 255, 255, 0.05);
  --glass-border-hover: rgba(255, 255, 255, 0.10);
  
  /* Text */
  --text-primary: #f0f0ff;
  --text-secondary: rgba(255, 255, 255, 0.50);
  --text-tertiary: rgba(255, 255, 255, 0.30);
  
  /* Accent - more vibrant neon */
  --accent-1: #a855f7;
  --accent-2: #f472b6;
  --accent-3: #22d3ee;
  --accent-gradient: linear-gradient(135deg, #a855f7, #f472b6, #22d3ee);
  --accent-glow: rgba(168, 85, 247, 0.4);
  --accent-pink-glow: rgba(244, 114, 182, 0.3);
  
  /* Layout */
  --sidebar-width: 270px;
  --player-height: 100px;
  --border-radius: 16px;
  --border-radius-sm: 12px;
  --border-radius-xs: 8px;
  --transition-speed: 0.3s;
  --transition-smooth: 0.4s cubic-bezier(0.22, 0.68, 0.26, 1);
  
  /* Glass blur */
  --blur-amount: 24px;
  --blur-heavy: 48px;
}

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

body { 
  font-family: 'Be Vietnam Pro', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif; 
  background: var(--bg-primary);
  color: var(--text-primary); 
  overflow: hidden; 
  height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a:hover {
  color: var(--accent-2);
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}

/* ===== Animated Background ===== */
.spotify-app::before {
  content: '';
  position: fixed;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: 
    radial-gradient(circle at 15% 50%, rgba(168, 85, 247, 0.18) 0%, transparent 45%),
    radial-gradient(circle at 85% 20%, rgba(244, 114, 182, 0.15) 0%, transparent 45%),
    radial-gradient(circle at 35% 85%, rgba(34, 211, 238, 0.12) 0%, transparent 45%),
    radial-gradient(circle at 75% 75%, rgba(168, 85, 247, 0.10) 0%, transparent 40%);
  animation: bgShift 25s ease-in-out infinite alternate;
  z-index: 0;
  pointer-events: none;
  will-change: transform;
  transform: translateZ(0);
}

@keyframes bgShift {
  0% { transform: translate3d(0, 0, 0) rotate(0deg); }
  33% { transform: translate3d(-2%, 1%, 0) rotate(1deg); }
  66% { transform: translate3d(1%, -1%, 0) rotate(-0.5deg); }
  100% { transform: translate3d(-1%, 2%, 0) rotate(0.5deg); }
}

/* Floating orbs for depth */
.spotify-app::after {
  content: '';
  position: fixed;
  top: 10%;
  right: 15%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(236, 72, 153, 0.08) 0%, transparent 70%);
  border-radius: 50%;
  animation: floatOrb 15s ease-in-out infinite;
  z-index: 0;
  pointer-events: none;
  will-change: transform;
  transform: translateZ(0);
}

@keyframes floatOrb {
  0%, 100% { transform: translate3d(0, 0, 0) scale(1); }
  33% { transform: translate3d(-30px, 40px, 0) scale(1.1); }
  66% { transform: translate3d(20px, -20px, 0) scale(0.9); }
}

/* ===== Main App Layout ===== */
.spotify-app {
  display: grid;
  grid-template-areas: 
    "sidebar main"
    "player player";
  grid-template-columns: var(--sidebar-width) 1fr;
  grid-template-rows: calc(100vh - var(--player-height)) var(--player-height);
  height: 100vh;
  background: var(--bg-primary);
  position: relative;
}

/* ===== Sidebar Navigation ===== */
.sidebar-nav {
  grid-area: sidebar;
  background: rgba(15, 15, 45, 0.5);
  backdrop-filter: blur(var(--blur-heavy));
  -webkit-backdrop-filter: blur(var(--blur-heavy));
  border-right: 1px solid var(--glass-border);
  display: flex;
  flex-direction: column;
  padding: 28px 0;
  overflow-y: auto;
  position: relative;
  z-index: 2;
}

.sidebar-header {
  padding: 0 24px 28px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 22px;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.5px;
}

.logo i {
  font-size: 28px;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 10px var(--accent-glow));
}

.logo span {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-menu {
  display: flex;
  flex-direction: column;
  padding: 0 12px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 16px;
  border-radius: var(--border-radius-sm);
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 14px;
  transition: all var(--transition-speed);
  margin: 2px 0;
  position: relative;
  overflow: hidden;
}

.nav-item::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--accent-gradient);
  opacity: 0;
  transition: opacity var(--transition-speed);
  border-radius: inherit;
}

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

.nav-item:hover::before {
  opacity: 0.06;
}

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

.nav-item.active::before {
  opacity: 0.1;
}

.nav-item.active::after {
  content: '';
  position: absolute;
  left: 0;
  top: 20%;
  height: 60%;
  width: 3px;
  background: var(--accent-gradient);
  border-radius: 0 4px 4px 0;
  box-shadow: 0 0 14px var(--accent-glow);
}

.nav-item i {
  font-size: 20px;
  width: 24px;
  text-align: center;
  position: relative;
  z-index: 1;
}

.nav-item span {
  position: relative;
  z-index: 1;
}

.nav-divider {
  height: 1px;
  background: var(--glass-border);
  margin: 12px 24px;
}

/* ===== Sidebar Categories ===== */
.sidebar-categories {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 0 12px;
  min-height: 0;
  overflow: hidden;
}

.sidebar-section-title {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 4px 16px 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.sidebar-section-title i {
  font-size: 12px;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.category-list {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding-bottom: 8px;
}

.category-list::-webkit-scrollbar {
  width: 4px;
}

.category-list::-webkit-scrollbar-track {
  background: transparent;
}

.category-list::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.06);
  border-radius: 2px;
}

.category-chip {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 14px;
  border-radius: var(--border-radius-xs);
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-speed);
  border: none;
  background: none;
  width: 100%;
  text-align: left;
  font-family: inherit;
  position: relative;
}

.category-chip span:not(.cat-count) {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  min-width: 0;
}

.category-chip i {
  font-size: 14px;
  width: 18px;
  text-align: center;
  flex-shrink: 0;
  opacity: 0.5;
  transition: all var(--transition-speed);
}

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

.category-chip:hover i {
  opacity: 1;
}

.category-chip.active {
  color: var(--text-primary);
  background: var(--glass-bg-active);
}

.category-chip.active i {
  opacity: 1;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.category-chip.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 20%;
  height: 60%;
  width: 2px;
  background: var(--accent-gradient);
  border-radius: 0 2px 2px 0;
}

.sidebar-footer {
  margin-top: auto;
  padding: 20px;
  border-top: 1px solid var(--glass-border);
}

.stats {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 16px;
}

.stat-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  color: var(--text-secondary);
  padding: 10px 14px;
  background: var(--glass-bg);
  border-radius: var(--border-radius-xs);
  border: 1px solid var(--glass-border);
  transition: all var(--transition-speed);
}

.stat-item:hover {
  background: var(--glass-bg-hover);
  border-color: var(--glass-border-hover);
}

.stat-item i {
  width: 16px;
  text-align: center;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-size: 13px;
}

.footer-credit {
  font-size: 11px;
  color: var(--text-tertiary);
  text-align: center;
}

.footer-credit a {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 600;
}

.footer-credit .version {
  margin-top: 4px;
  opacity: 0.5;
}

/* ===== Main Content ===== */
.main-content {
  grid-area: main;
  background: transparent;
  overflow: hidden;
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
}

.content-header {
  flex-shrink: 0;
  background: rgba(5, 5, 16, 0.92);
  padding: 24px 32px;
  z-index: 10;
  border-bottom: 1px solid var(--glass-border);
}

.header-top h1 {
  font-size: 28px;
  font-weight: 800;
  margin-bottom: 16px;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.5px;
}

.header-controls {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
}

.search-box {
  position: relative;
  flex: 1;
  min-width: 200px;
}

.search-box i {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-tertiary);
  font-size: 14px;
  z-index: 1;
}

.search-box input {
  width: 100%;
  padding: 12px 16px 12px 44px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--glass-border);
  border-radius: 50px;
  color: var(--text-primary);
  font-size: 13px;
  font-weight: 500;
  transition: all var(--transition-speed);
  font-family: inherit;
}

.search-box input::placeholder {
  color: var(--text-tertiary);
}

.search-box input:focus {
  outline: none;
  border-color: var(--accent-1);
  background: var(--glass-bg-hover);
  box-shadow: 0 0 24px rgba(124, 58, 237, 0.12), inset 0 0 20px rgba(124, 58, 237, 0.04);
}

.category-select {
  padding: 12px 20px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--glass-border);
  border-radius: 50px;
  color: var(--text-primary);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-speed);
  min-width: 180px;
  font-family: inherit;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='rgba(255,255,255,0.4)' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
}

.category-select option {
  background: #1a1a3e;
  color: var(--text-primary);
  padding: 10px;
}

.category-select:hover {
  border-color: var(--glass-border-hover);
  background-color: var(--glass-bg-hover);
}

.category-select:focus {
  outline: none;
  border-color: var(--accent-1);
  box-shadow: 0 0 24px rgba(124, 58, 237, 0.12);
}

.error-banner {
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.25);
  color: #fca5a5;
  padding: 14px 24px;
  margin: 16px 32px;
  display: none;
  font-size: 13px;
  font-weight: 500;
  border-radius: var(--border-radius-sm);
  flex-shrink: 0;
}

.content-body {
  flex: 1;
  overflow-y: auto;
  padding: 24px 32px 32px;
  -webkit-overflow-scrolling: touch;
}

/* ===== Song Grid - Glass Cards ===== */
.song-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(185px, 1fr));
  gap: 20px;
}

.music-item {
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius);
  padding: 14px;
  transition: transform 0.3s ease, background 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
  cursor: pointer;
  position: relative;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  contain: layout style paint;
  will-change: transform;
}

/* Song cover area */
.music-item .song-cover {
  width: 100%;
  aspect-ratio: 1;
  background: linear-gradient(135deg, 
    rgba(124, 58, 237, 0.2), 
    rgba(236, 72, 153, 0.15), 
    rgba(6, 182, 212, 0.1));
  border-radius: var(--border-radius-sm);
  margin-bottom: 14px;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.music-item .song-cover .cover-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
}

.music-item .song-cover .cover-icon {
  font-size: 36px;
  color: rgba(255, 255, 255, 0.15);
  transition: color 0.2s, transform 0.2s;
}

.music-item:hover .song-cover .cover-icon {
  color: rgba(255, 255, 255, 0.25);
  transform: scale(1.08);
}

/* Play button overlay */
.music-item .song-cover .play-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.15);
  opacity: 0;
  transition: opacity 0.25s ease;
}

.music-item .song-cover .play-overlay .play-circle {
  width: 50px;
  height: 50px;
  background: var(--accent-gradient);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: white;
  box-shadow: 0 4px 16px var(--accent-glow);
  transform: translateY(6px) scale(0.85);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.music-item:hover .song-cover .play-overlay {
  opacity: 1;
}

.music-item:hover .song-cover .play-overlay .play-circle {
  transform: translateY(0) scale(1);
}

.music-item:hover {
  background: rgba(255, 255, 255, 0.07);
  border-color: var(--glass-border-hover);
  transform: translate3d(0, -4px, 0);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.25);
}

.music-item.active .song-cover .play-overlay {
  opacity: 1;
}

.music-item.active .song-cover .play-overlay .play-circle {
  transform: translateY(0) scale(1);
  animation: pulseGlow 2s ease-in-out infinite;
}

.music-item.active {
  background: rgba(255, 255, 255, 0.10);
  border-color: rgba(124, 58, 237, 0.25);
  box-shadow: 0 0 20px rgba(124, 58, 237, 0.08);
}

@keyframes pulseGlow {
  0%, 100% { box-shadow: 0 4px 16px var(--accent-glow); }
  50% { box-shadow: 0 4px 24px var(--accent-glow); }
}

/* Song number badge */
.music-item .song-number {
  position: absolute;
  top: 22px;
  left: 22px;
  font-size: 11px;
  font-weight: 700;
  color: var(--text-tertiary);
  background: rgba(0, 0, 0, 0.55);
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.06);
  z-index: 3;
}

.marquee-container {
  margin-bottom: 4px;
}

.marquee-text {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  display: block;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  letter-spacing: -0.2px;
}

.song-artist-text {
  font-size: 11px;
  font-weight: 400;
  color: var(--text-secondary);
  display: block;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.music-item .delete-btn {
  opacity: 0;
  position: absolute;
  top: 22px;
  right: 22px;
  width: 32px;
  height: 32px;
  background: rgba(0, 0, 0, 0.6) !important;
  border-radius: 50% !important;
  color: var(--text-primary) !important;
  font-size: 12px;
  transition: opacity 0.2s, background 0.2s, transform 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 5;
  border: 1px solid rgba(255, 255, 255, 0.08) !important;
}

.music-item:hover .delete-btn {
  opacity: 1;
}

.music-item .delete-btn:hover {
  background: rgba(239, 68, 68, 0.5) !important;
  border-color: rgba(239, 68, 68, 0.4) !important;
  transform: scale(1.1);
}

.no-songs {
  text-align: center;
  padding: 80px 20px;
  color: var(--text-secondary);
  font-size: 15px;
  grid-column: 1 / -1;
}

/* ===== Now Playing Bar (Bottom) - Glass ===== */
.now-playing-bar {
  grid-area: player;
  background: rgba(15, 15, 45, 0.65);
  backdrop-filter: blur(var(--blur-heavy));
  -webkit-backdrop-filter: blur(var(--blur-heavy));
  border-top: 1px solid var(--glass-border);
  display: grid;
  grid-template-columns: 1fr 2fr 1fr;
  align-items: center;
  padding: 0 24px;
  gap: 16px;
  position: relative;
  z-index: 10;
}

/* Glow line on top of player */
.now-playing-bar::before {
  content: '';
  position: absolute;
  top: -1px;
  left: 5%;
  right: 5%;
  height: 1px;
  background: var(--accent-gradient);
  opacity: 0.4;
  filter: blur(0.5px);
}

.player-left {
  display: flex;
  align-items: center;
  min-width: 0;
}

.track-info-section {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.track-artwork {
  flex-shrink: 0;
}

.track-artwork .artwork {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, 
    rgba(124, 58, 237, 0.3), 
    rgba(236, 72, 153, 0.2));
  border-radius: var(--border-radius-xs);
  border: 1px solid var(--glass-border);
  position: relative;
  overflow: hidden;
}

.track-artwork .artwork::after {
  content: '\f001';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: rgba(255, 255, 255, 0.15);
}

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

.track-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 3px;
  overflow: hidden;
}

.track-name .marquee {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  display: block;
}

.track-artist {
  font-size: 11px;
  color: var(--text-secondary);
  font-weight: 400;
}

.player-center {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  max-width: 722px;
  width: 100%;
  margin: 0 auto;
}

.player-controls .controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
}

.control-btn {
  color: var(--text-secondary);
  font-size: 16px;
  transition: all var(--transition-speed);
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
}

.control-btn:hover {
  color: var(--text-primary);
  transform: scale(1.1);
  background: var(--glass-bg);
}

.control-btn.play-btn-main {
  width: 44px;
  height: 44px;
  background: var(--accent-gradient);
  color: white;
  border-radius: 50%;
  font-size: 16px;
  box-shadow: 0 4px 20px var(--accent-glow);
  transition: all var(--transition-speed);
}

.control-btn.play-btn-main:hover {
  transform: scale(1.08);
  box-shadow: 0 6px 30px var(--accent-glow);
  background: var(--accent-gradient);
}

.playback-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
}

.time-current,
.time-total {
  font-size: 11px;
  color: var(--text-tertiary);
  min-width: 40px;
  text-align: center;
  font-weight: 500;
  font-variant-numeric: tabular-nums;
}

.progress-bar-wrapper {
  flex: 1;
  position: relative;
  height: 16px;
  display: flex;
  align-items: center;
}

.progress-bar-bg {
  width: 100%;
  height: 4px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 4px;
  position: relative;
  cursor: pointer;
  transition: height 0.15s;
}

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

.progress-bar {
  height: 100%;
  background: var(--accent-gradient);
  border-radius: 4px;
  position: relative;
  transition: width 0.1s linear;
  box-shadow: 0 0 12px var(--accent-glow);
}

.progress-bar::after {
  content: '';
  position: absolute;
  right: -7px;
  top: 50%;
  transform: translateY(-50%);
  width: 14px;
  height: 14px;
  background: white;
  border-radius: 50%;
  opacity: 0;
  transition: opacity 0.2s;
  box-shadow: 0 0 12px var(--accent-glow);
}

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

.timeline-tooltip {
  position: absolute;
  bottom: 100%;
  margin-bottom: 8px;
  padding: 6px 10px;
  background: rgba(20, 20, 50, 0.95);
  color: var(--text-primary);
  border-radius: var(--border-radius-xs);
  font-size: 12px;
  font-weight: 600;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transform: translateX(-50%);
  border: 1px solid var(--glass-border);
}

.player-right {
  display: flex;
  justify-content: flex-end;
  align-items: center;
}

.extra-controls {
  display: flex;
  gap: 12px;
}

.control-btn-small {
  color: var(--text-secondary);
  font-size: 16px;
  transition: all var(--transition-speed);
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
}

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

/* ===== Volume Control ===== */
.volume-control {
  display: flex;
  align-items: center;
  gap: 8px;
}

.volume-slider-wrapper {
  width: 100px;
  display: flex;
  align-items: center;
}

.volume-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 4px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 2px;
  outline: none;
  cursor: pointer;
  transition: height 0.15s;
}

.volume-slider:hover {
  height: 6px;
}

.volume-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 14px;
  height: 14px;
  background: white;
  border-radius: 50%;
  cursor: pointer;
  box-shadow: 0 0 10px var(--accent-glow);
  opacity: 0;
  transition: opacity 0.2s;
}

.volume-control:hover .volume-slider::-webkit-slider-thumb {
  opacity: 1;
}

.volume-slider::-moz-range-thumb {
  width: 14px;
  height: 14px;
  background: white;
  border-radius: 50%;
  cursor: pointer;
  border: none;
  box-shadow: 0 0 10px var(--accent-glow);
}

.volume-slider::-webkit-slider-runnable-track {
  background: linear-gradient(90deg, var(--accent-1), var(--accent-2));
  height: 4px;
  border-radius: 2px;
}

/* ===== Category Count in Sidebar ===== */
.cat-count {
  margin-left: auto;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-tertiary);
  background: rgba(255, 255, 255, 0.04);
  padding: 2px 8px;
  border-radius: 10px;
  min-width: 24px;
  text-align: center;
  flex-shrink: 0;
}

.category-chip.active .cat-count {
  background: rgba(168, 85, 247, 0.15);
  color: var(--accent-2);
}

.total-count {
  margin-left: auto;
  font-size: 10px;
  font-weight: 700;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ===== Upload Sidebar - Glass ===== */
.upload-sidebar {
  position: fixed;
  top: 0;
  right: 0;
  width: 100%;
  max-width: 420px;
  height: 100%;
  background: rgba(15, 15, 45, 0.85);
  backdrop-filter: blur(var(--blur-heavy));
  -webkit-backdrop-filter: blur(var(--blur-heavy));
  transform: translateX(100%);
  transition: transform var(--transition-smooth);
  z-index: 1000;
  display: flex;
  flex-direction: column;
  box-shadow: -8px 0 40px rgba(0, 0, 0, 0.5);
  border-left: 1px solid var(--glass-border);
}

.upload-sidebar.active {
  transform: translateX(0);
}

.upload-header {
  padding: 24px;
  border-bottom: 1px solid var(--glass-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.upload-header h2 {
  font-size: 20px;
  font-weight: 700;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.close-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-speed);
  color: var(--text-secondary);
  font-size: 18px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
}

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

.upload-content {
  padding: 24px;
  overflow-y: auto;
  flex: 1;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.form-group input[type="text"],
.form-group select,
.form-group input[type="file"] {
  width: 100%;
  padding: 12px 16px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius-xs);
  color: var(--text-primary);
  font-size: 14px;
  font-weight: 500;
  transition: all var(--transition-speed);
  font-family: inherit;
}

.form-group input[type="text"]:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--accent-1);
  background: rgba(124, 58, 237, 0.04);
  box-shadow: 0 0 24px rgba(124, 58, 237, 0.08);
}

.form-group select option {
  background: #141428;
  color: var(--text-primary);
  padding: 10px;
}

.form-group select option:checked {
  background: linear-gradient(90deg, var(--accent-1), var(--accent-2));
  color: white;
}

.form-group input[type="file"] {
  padding: 28px 16px;
  cursor: pointer;
  border: 2px dashed rgba(255, 255, 255, 0.08);
  text-align: center;
  border-radius: var(--border-radius-sm);
}

.form-group input[type="file"]:hover {
  border-color: var(--accent-1);
  background: rgba(124, 58, 237, 0.04);
}

.btn-primary {
  width: 100%;
  padding: 14px 32px;
  background: var(--accent-gradient);
  color: white;
  border: none;
  border-radius: 50px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition-speed);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-top: 28px;
  box-shadow: 0 4px 20px var(--accent-glow);
  font-family: inherit;
  letter-spacing: 0.3px;
}

.btn-primary:hover {
  transform: scale(1.02) translateY(-1px);
  box-shadow: 0 8px 30px var(--accent-glow);
}

.btn-primary:active {
  transform: scale(0.98);
}

/* ===== Scrollbar Styling ===== */
.content-body::-webkit-scrollbar,
.sidebar-nav::-webkit-scrollbar,
.upload-content::-webkit-scrollbar {
  width: 6px;
}

.content-body::-webkit-scrollbar-track,
.sidebar-nav::-webkit-scrollbar-track,
.upload-content::-webkit-scrollbar-track {
  background: transparent;
}

.content-body::-webkit-scrollbar-thumb,
.sidebar-nav::-webkit-scrollbar-thumb,
.upload-content::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.06);
  border-radius: 3px;
}

.content-body::-webkit-scrollbar-thumb:hover,
.sidebar-nav::-webkit-scrollbar-thumb:hover,
.upload-content::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.12);
}

/* ===== Shuffle Active State ===== */
.shuffle-active {
  color: var(--accent-2) !important;
  position: relative;
}

.shuffle-active::before {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 4px;
  background: var(--accent-gradient);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--accent-pink-glow);
}

/* ===== Responsive Design ===== */

/* Mobile menu button - hidden on desktop */
.mobile-menu-btn {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  font-size: 18px;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  -webkit-tap-highlight-color: transparent;
}

/* Sidebar overlay - mobile only */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 99;
  opacity: 0;
  transition: opacity 0.3s ease;
  -webkit-tap-highlight-color: transparent;
}

.sidebar-overlay.active {
  opacity: 1;
}

/* Mobile bottom nav - hidden on desktop */
.mobile-bottom-nav {
  display: none;
}

@media (max-width: 1024px) {
  .spotify-app {
    grid-template-columns: 230px 1fr;
  }
  
  :root {
    --sidebar-width: 230px;
  }
  
  .volume-slider-wrapper {
    width: 70px;
  }
  
  .song-grid {
    grid-template-columns: repeat(auto-fill, minmax(155px, 1fr));
  }
}

@media (max-width: 768px) {
  :root {
    --player-height: auto;
  }

  /* ---- Layout ---- */
  .spotify-app {
    grid-template-areas: 
      "main"
      "player";
    grid-template-columns: 1fr;
    grid-template-rows: 1fr auto;
    height: 100vh;
    height: 100dvh;
  }
  
  .spotify-app::before,
  .spotify-app::after {
    display: none;
  }

  /* ---- Sidebar as overlay drawer ---- */
  .sidebar-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 300px;
    max-width: 85vw;
    height: 100%;
    height: 100dvh;
    z-index: 100;
    transform: translateX(-100%);
    transition: transform 0.3s cubic-bezier(0.22, 0.68, 0.26, 1);
    background: rgba(10, 10, 30, 0.97);
    backdrop-filter: blur(40px);
    -webkit-backdrop-filter: blur(40px);
  }

  .sidebar-nav.mobile-open {
    transform: translateX(0);
  }

  .sidebar-overlay {
    display: block;
    pointer-events: none;
  }

  .sidebar-overlay.active {
    pointer-events: auto;
  }

  /* Mobile menu hamburger button */
  .mobile-menu-btn {
    display: flex;
  }

  .header-top {
    display: flex;
    align-items: center;
    gap: 12px;
  }

  /* ---- Content ---- */
  .main-content {
    padding-bottom: 0;
  }

  .content-header {
    padding: 12px 16px;
    padding-top: calc(12px + env(safe-area-inset-top, 0px));
  }
  
  .header-top h1 {
    font-size: 20px;
    margin-bottom: 10px;
  }
  
  .content-body {
    padding: 12px 12px 12px;
  }
  
  .error-banner {
    margin: 8px 12px;
    padding: 10px 16px;
    font-size: 12px;
  }

  .header-controls {
    flex-direction: row;
  }

  .search-box {
    min-width: 0;
    max-width: none;
    flex: 1;
  }

  .search-box input {
    padding: 10px 14px 10px 38px;
    font-size: 14px;
    border-radius: 12px;
  }

  .search-box i {
    left: 12px;
  }

  /* ---- Song Grid ---- */
  .song-grid {
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 10px;
  }
  
  .music-item {
    padding: 10px;
    border-radius: var(--border-radius-sm);
  }
  
  .music-item .song-cover .cover-icon {
    font-size: 26px;
  }
  
  .music-item .song-cover .play-overlay .play-circle {
    width: 42px;
    height: 42px;
    font-size: 15px;
  }

  /* Show play overlay always on touch (no hover) */
  .music-item.active .song-cover .play-overlay {
    opacity: 1;
  }

  /* Delete button always visible on mobile */
  .music-item .delete-btn {
    opacity: 0.8;
    width: 36px;
    height: 36px;
    font-size: 13px;
  }

  .marquee-text {
    font-size: 12px;
  }

  .song-artist-text {
    font-size: 10px;
  }

  /* ---- Now Playing Bar - Mobile ---- */
  .now-playing-bar {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto;
    padding: 8px 12px;
    padding-bottom: calc(54px + env(safe-area-inset-bottom, 0px));
    gap: 6px;
  }
  
  /* Track info: top row */
  .player-left {
    order: 1;
    width: 100%;
  }

  .track-info-section {
    gap: 10px;
    width: 100%;
  }

  .track-artwork .artwork {
    width: 42px;
    height: 42px;
    border-radius: 8px;
  }

  .track-artwork .artwork::after {
    font-size: 16px;
  }

  .track-name {
    font-size: 13px;
  }

  .track-artist {
    font-size: 10px;
  }

  /* Controls + progress: bottom row */
  .player-center {
    order: 2;
    gap: 4px;
    max-width: 100%;
  }
  
  .player-controls .controls {
    gap: 16px;
  }
  
  /* Bigger touch targets for mobile */
  .control-btn {
    width: 44px;
    height: 44px;
    font-size: 18px;
    -webkit-tap-highlight-color: transparent;
  }
  
  .control-btn.play-btn-main {
    width: 48px;
    height: 48px;
    font-size: 18px;
  }

  .playback-bar {
    gap: 8px;
  }

  /* Bigger touch area for progress bar */
  .progress-bar-wrapper {
    height: 28px;
  }

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

  .progress-bar::after {
    width: 16px;
    height: 16px;
    right: -8px;
    opacity: 1;
  }

  .time-current,
  .time-total {
    font-size: 10px;
    min-width: 34px;
  }
  
  /* Volume hidden on mobile */
  .player-right {
    display: none;
  }

  /* Upload sidebar full width on mobile */
  .upload-sidebar {
    max-width: 100%;
  }

  /* ---- Mobile Bottom Nav ---- */
  .mobile-bottom-nav {
    display: flex;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 50;
    background: rgba(10, 10, 30, 0.92);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-top: 1px solid var(--glass-border);
    padding: 6px 0;
    padding-bottom: calc(6px + env(safe-area-inset-bottom, 0px));
    justify-content: space-around;
    align-items: center;
  }

  .mobile-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    padding: 6px 16px;
    color: var(--text-tertiary);
    font-size: 10px;
    font-weight: 500;
    background: none;
    border: none;
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
    transition: color 0.2s;
    font-family: inherit;
  }

  .mobile-nav-item i {
    font-size: 18px;
    margin-bottom: 1px;
  }

  .mobile-nav-item.active {
    color: var(--accent-2);
  }

  .mobile-nav-item:active {
    transform: scale(0.92);
  }
}

@media (max-width: 480px) {
  .song-grid {
    grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
    gap: 8px;
  }
  
  .music-item {
    padding: 8px;
  }

  .music-item .song-cover .play-overlay .play-circle {
    width: 36px;
    height: 36px;
    font-size: 13px;
  }

  .music-item .song-number {
    width: 22px;
    height: 22px;
    font-size: 9px;
    top: 14px;
    left: 14px;
  }
  
  .marquee-text {
    font-size: 11px;
  }

  .song-artist-text {
    font-size: 9px;
  }
  
  .content-body {
    padding: 8px 8px 8px;
  }

  .content-header {
    padding: 10px 10px;
    padding-top: calc(10px + env(safe-area-inset-top, 0px));
  }

  .header-top h1 {
    font-size: 18px;
  }

  .player-controls .controls {
    gap: 12px;
  }

  .control-btn {
    width: 40px;
    height: 40px;
    font-size: 16px;
  }
  
  .control-btn.play-btn-main {
    width: 44px;
    height: 44px;
    font-size: 16px;
  }

  .track-artwork .artwork {
    width: 36px;
    height: 36px;
  }
}

/* Small phones */
@media (max-width: 360px) {
  .song-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 6px;
  }

  .player-controls .controls {
    gap: 8px;
  }
}

/* Landscape mobile */
@media (max-height: 500px) and (orientation: landscape) {
  .now-playing-bar {
    grid-template-columns: minmax(0, 1fr) 2fr;
    grid-template-rows: 1fr;
    padding: 4px 12px;
  }

  .player-left {
    order: 1;
  }

  .player-center {
    order: 2;
  }

  .player-right {
    display: none;
  }

  .mobile-bottom-nav {
    display: none;
  }

  .content-body {
    padding-bottom: 12px;
  }
}

/* ===== Focus Styles for Accessibility ===== */
button:focus-visible,
input:focus-visible,
select:focus-visible {
  outline: 2px solid var(--accent-1);
  outline-offset: 2px;
}

/* ===== Animations ===== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translate3d(0, 12px, 0);
  }
  to {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}

.music-item {
  animation: fadeInUp 0.3s ease-out both;
}

/* Stagger first 6 items only — rest appear immediately for scroll perf */
.music-item:nth-child(1) { animation-delay: 0.03s; }
.music-item:nth-child(2) { animation-delay: 0.06s; }
.music-item:nth-child(3) { animation-delay: 0.09s; }
.music-item:nth-child(4) { animation-delay: 0.12s; }
.music-item:nth-child(5) { animation-delay: 0.15s; }
.music-item:nth-child(6) { animation-delay: 0.18s; }
.music-item:nth-child(n+7) { animation-delay: 0s; animation-duration: 0.2s; }

/* Playing animation on active song */
.music-item.active .marquee-text {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ===== Equalizer bars animation for active song ===== */
.equalizer-bars {
  display: none;
  align-items: flex-end;
  gap: 2px;
  height: 14px;
  margin-right: 6px;
}

.music-item.active .equalizer-bars {
  display: flex;
}

.equalizer-bars span {
  display: block;
  width: 3px;
  background: var(--accent-gradient);
  border-radius: 2px;
  animation: eqBar 1s ease-in-out infinite;
}

.equalizer-bars span:nth-child(1) { animation-delay: 0s; height: 8px; }
.equalizer-bars span:nth-child(2) { animation-delay: 0.15s; height: 14px; }
.equalizer-bars span:nth-child(3) { animation-delay: 0.3s; height: 10px; }

@keyframes eqBar {
  0%, 100% { transform: scaleY(0.4); }
  50% { transform: scaleY(1); }
}

/* ===== Reduced Motion ===== */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  .spotify-app::before,
  .spotify-app::after {
    animation: none;
  }
}

/* ===== Password Modal ===== */
.password-modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 10001;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  animation: fadeIn 0.2s ease;
}

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

.password-modal {
  background: rgba(20, 20, 40, 0.95);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  padding: 32px;
  width: 360px;
  max-width: 90vw;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5), 0 0 40px rgba(168, 85, 247, 0.1);
  animation: modalSlideIn 0.25s ease;
}

@keyframes modalSlideIn {
  from { opacity: 0; transform: translateY(-20px) scale(0.95); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.password-modal-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
}

.password-modal-header i {
  font-size: 20px;
  color: var(--accent-1);
}

.password-modal-header h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
}

.password-modal-desc {
  color: var(--text-tertiary);
  font-size: 13px;
  margin: 0 0 20px;
}

.password-input-group {
  position: relative;
  margin-bottom: 8px;
}

.password-input-group input {
  width: 100%;
  padding: 12px 44px 12px 16px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--glass-border);
  border-radius: 10px;
  color: var(--text-primary);
  font-size: 14px;
  font-family: inherit;
  outline: none;
  transition: border-color 0.2s;
  box-sizing: border-box;
}

.password-input-group input:focus {
  border-color: var(--accent-1);
  box-shadow: 0 0 0 3px rgba(168, 85, 247, 0.15);
}

.password-toggle {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--text-tertiary);
  cursor: pointer;
  padding: 6px;
  font-size: 14px;
  transition: color 0.2s;
}

.password-toggle:hover {
  color: var(--text-primary);
}

.password-error {
  color: #f87171;
  font-size: 12px;
  margin: 4px 0 12px;
  animation: shake 0.3s ease;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-6px); }
  75% { transform: translateX(6px); }
}

.password-modal-actions {
  display: flex;
  gap: 10px;
  margin-top: 20px;
}

.password-modal-actions .btn-cancel {
  flex: 1;
  padding: 10px;
  border-radius: 10px;
  border: 1px solid var(--glass-border);
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  font-family: inherit;
}

.password-modal-actions .btn-cancel:hover {
  background: rgba(255, 255, 255, 0.1);
}

.password-modal-actions .btn-confirm {
  flex: 1;
  padding: 10px;
  border-radius: 10px;
  border: none;
  background: var(--accent-gradient);
  color: white;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  font-family: inherit;
}

.password-modal-actions .btn-confirm:hover {
  opacity: 0.9;
  box-shadow: 0 4px 20px rgba(168, 85, 247, 0.3);
}

/* ===== Category Management Modal ===== */
.sidebar-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-right: 8px;
}

.catmgr-open-btn {
  background: none;
  border: none;
  color: rgba(255,255,255,0.5);
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 0.85rem;
  transition: color 0.2s, background 0.2s;
}
.catmgr-open-btn:hover {
  color: #a855f7;
  background: rgba(168,85,247,0.1);
}

.catmgr-overlay {
  position: fixed;
  inset: 0;
  z-index: 10000;
  background: rgba(0,0,0,0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
}

.catmgr-modal {
  background: #1a1a2e;
  border: 1px solid rgba(168,85,247,0.3);
  border-radius: 16px;
  width: 100%;
  max-width: 520px;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
  animation: catmgrIn 0.25s ease;
}

@keyframes catmgrIn {
  from { opacity: 0; transform: scale(0.95) translateY(10px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

.catmgr-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.catmgr-header h3 {
  color: #fff;
  font-size: 1.1rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
}
.catmgr-header h3 i {
  color: #a855f7;
}
.catmgr-close {
  background: none;
  border: none;
  color: rgba(255,255,255,0.5);
  font-size: 1.1rem;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 6px;
  transition: color 0.2s, background 0.2s;
}
.catmgr-close:hover {
  color: #f87171;
  background: rgba(248,113,113,0.1);
}

.catmgr-add-form {
  display: flex;
  gap: 8px;
  padding: 14px 20px 4px;
}
.catmgr-add-form input {
  flex: 1;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 8px;
  padding: 8px 12px;
  color: #fff;
  font-size: 0.85rem;
  outline: none;
  transition: border-color 0.2s;
}
.catmgr-add-form input:focus {
  border-color: #a855f7;
}
.catmgr-add-form input::placeholder {
  color: rgba(255,255,255,0.3);
}
.catmgr-add-btn {
  background: linear-gradient(135deg, #a855f7, #ec4899);
  border: none;
  color: #fff;
  width: 38px;
  height: 38px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: opacity 0.2s, transform 0.15s;
}
.catmgr-add-btn:hover {
  opacity: 0.85;
  transform: scale(1.05);
}

.catmgr-hint {
  padding: 0 20px 8px;
  font-size: 0.72rem;
  color: rgba(255,255,255,0.3);
  margin: 0;
}

.catmgr-list {
  flex: 1;
  overflow-y: auto;
  padding: 8px 12px 16px;
  scrollbar-width: thin;
  scrollbar-color: rgba(168,85,247,0.3) transparent;
}

.catmgr-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-radius: 10px;
  background: rgba(255,255,255,0.03);
  margin-bottom: 4px;
  transition: background 0.2s;
}
.catmgr-item:hover {
  background: rgba(255,255,255,0.06);
}

.catmgr-item .catmgr-drag-handle {
  cursor: grab;
  color: rgba(255,255,255,0.25);
  font-size: 0.9rem;
  padding: 2px;
}
.catmgr-item .catmgr-drag-handle:active {
  cursor: grabbing;
}

.catmgr-item .catmgr-info {
  flex: 1;
  min-width: 0;
}
.catmgr-item .catmgr-label {
  color: #fff;
  font-size: 0.85rem;
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.catmgr-item .catmgr-value {
  color: rgba(255,255,255,0.3);
  font-size: 0.7rem;
  font-family: monospace;
}

.catmgr-item .catmgr-actions {
  display: flex;
  gap: 2px;
  flex-shrink: 0;
}

.catmgr-item .catmgr-btn {
  background: none;
  border: none;
  color: rgba(255,255,255,0.35);
  padding: 5px 7px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.8rem;
  transition: color 0.2s, background 0.2s;
}
.catmgr-item .catmgr-btn:hover {
  background: rgba(255,255,255,0.08);
}
.catmgr-item .catmgr-btn.move-up:hover,
.catmgr-item .catmgr-btn.move-down:hover {
  color: #38bdf8;
}
.catmgr-item .catmgr-btn.rename-btn:hover {
  color: #fbbf24;
}
.catmgr-item .catmgr-btn.delete-btn:hover {
  color: #f87171;
}

.catmgr-item .catmgr-rename-input {
  background: rgba(255,255,255,0.08);
  border: 1px solid #a855f7;
  border-radius: 6px;
  padding: 4px 8px;
  color: #fff;
  font-size: 0.85rem;
  width: 100%;
  outline: none;
}

@media (max-width: 768px) {
  .catmgr-modal {
    max-height: 90vh;
    max-width: 100%;
    border-radius: 12px;
  }
  .catmgr-add-form {
    flex-wrap: wrap;
  }
  .catmgr-add-form input {
    min-width: 0;
  }
}

/* ===== Toast Notifications (Right Side) ===== */
.toast-container {
  position: fixed;
  top: 16px;
  right: 16px;
  z-index: 10002;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
  max-width: 380px;
  width: calc(100% - 32px);
}

.toast {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  border-radius: 12px;
  color: #fff;
  font-size: 0.85rem;
  font-weight: 500;
  pointer-events: auto;
  opacity: 0;
  transform: translateX(100%);
  box-shadow: 0 8px 32px rgba(0,0,0,0.35);
  border: 1px solid rgba(255,255,255,0.08);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.toast-show {
  animation: toastIn 0.35s ease forwards;
}
.toast-hide {
  animation: toastOut 0.3s ease forwards;
}
@keyframes toastIn {
  from { opacity: 0; transform: translateX(100%); }
  to { opacity: 1; transform: translateX(0); }
}
@keyframes toastOut {
  from { opacity: 1; transform: translateX(0); }
  to { opacity: 0; transform: translateX(100%); }
}

.toast-success {
  background: rgba(16, 185, 129, 0.18);
  border-color: rgba(16, 185, 129, 0.3);
}
.toast-success .toast-icon { color: #34d399; }

.toast-error {
  background: rgba(239, 68, 68, 0.18);
  border-color: rgba(239, 68, 68, 0.3);
}
.toast-error .toast-icon { color: #f87171; }

.toast-info {
  background: rgba(59, 130, 246, 0.18);
  border-color: rgba(59, 130, 246, 0.3);
}
.toast-info .toast-icon { color: #60a5fa; }

.toast-warning {
  background: rgba(245, 158, 11, 0.18);
  border-color: rgba(245, 158, 11, 0.3);
}
.toast-warning .toast-icon { color: #fbbf24; }

.toast-icon {
  font-size: 1.1rem;
  flex-shrink: 0;
}
.toast-msg {
  flex: 1;
  line-height: 1.4;
}
.toast-close {
  background: none;
  border: none;
  color: rgba(255,255,255,0.4);
  cursor: pointer;
  padding: 2px 4px;
  font-size: 0.8rem;
  flex-shrink: 0;
  transition: color 0.2s;
}
.toast-close:hover {
  color: #fff;
}

/* ===== Custom Confirm Modal ===== */
.confirm-overlay {
  position: fixed;
  inset: 0;
  z-index: 10001;
  background: rgba(0,0,0,0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
}
.confirm-modal {
  background: #1a1a2e;
  border: 1px solid rgba(168,85,247,0.3);
  border-radius: 16px;
  width: 100%;
  max-width: 420px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
  animation: catmgrIn 0.25s ease;
  padding: 24px;
}
.confirm-modal h3 {
  color: #fff;
  font-size: 1.05rem;
  margin: 0 0 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.confirm-modal h3 i { color: #fbbf24; }
.confirm-modal p {
  color: rgba(255,255,255,0.6);
  font-size: 0.85rem;
  margin: 0 0 16px;
  line-height: 1.5;
}
.confirm-modal .confirm-select {
  width: 100%;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 8px;
  padding: 10px 12px;
  color: #fff;
  font-size: 0.85rem;
  margin-bottom: 16px;
  outline: none;
  cursor: pointer;
}
.confirm-modal .confirm-select:focus {
  border-color: #a855f7;
}
.confirm-modal .confirm-select option {
  background: #1a1a2e;
  color: #fff;
}
.confirm-modal .confirm-actions {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
}
.confirm-modal .btn-cancel {
  background: rgba(255,255,255,0.08);
  border: none;
  color: rgba(255,255,255,0.7);
  padding: 8px 20px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.85rem;
  transition: background 0.2s;
}
.confirm-modal .btn-cancel:hover {
  background: rgba(255,255,255,0.12);
}
.confirm-modal .btn-danger {
  background: linear-gradient(135deg, #ef4444, #dc2626);
  border: none;
  color: #fff;
  padding: 8px 20px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 500;
  transition: opacity 0.2s;
}
.confirm-modal .btn-danger:hover {
  opacity: 0.85;
}

@media (max-width: 768px) {
  .toast-container {
    top: 8px;
    right: 8px;
    max-width: calc(100% - 16px);
  }
}