:root {
  --bg-primary: #0a0a0f; --bg-secondary: #1a1a2e; --bg-tertiary: #16213e;
  --text-primary: #ffffff; --text-secondary: #94a3b8;
  --accent: #7c3aed; --accent-hover: #9333ea; --accent-light: #a855f7;
  --glass: rgba(124, 58, 237, 0.08); --border: rgba(124, 58, 237, 0.2);
}

.light-mode {
  --bg-primary: #faf5ff; --bg-secondary: #ffffff; --bg-tertiary: #f3e8ff;
  --text-primary: #1e1b4b; --text-secondary: #6b7280;
  --accent: #7c3aed; --accent-hover: #6d28d9; --accent-light: #a855f7;
  --glass: rgba(124, 58, 237, 0.05); --border: rgba(124, 58, 237, 0.15);
}

body { font-family: 'Poppins', sans-serif; box-sizing: border-box; }

/* Utility Classes for Theme */
.bg-primary { background-color: var(--bg-primary); }
.bg-secondary { background-color: var(--bg-secondary); }
.bg-tertiary { background-color: var(--bg-tertiary); }
.text-primary { color: var(--text-primary); }
.text-secondary { color: var(--text-secondary); }
.bg-accent { background-color: var(--accent); }
.text-accent { color: var(--accent); }

.neon-border {
  border: 2px solid transparent;
  background: linear-gradient(var(--bg-secondary), var(--bg-secondary)) padding-box,
              linear-gradient(135deg, var(--accent), var(--accent-light)) border-box;
}

.gradient-text {
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}

.gradient-bg { background: radial-gradient(circle at 20% 20%, var(--bg-secondary) 0%, var(--bg-primary) 50%, var(--bg-tertiary) 100%); }

/* Animations & Effects */
.glow-effect { box-shadow: 0 0 60px rgba(124, 58, 237, 0.3); }

.card-hover { transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1); backdrop-filter: blur(10px); }
.card-hover:hover { transform: translateY(-8px) scale(1.02); box-shadow: 0 30px 60px rgba(124, 58, 237, 0.25); }

.search-glow:focus { box-shadow: 0 0 0 4px rgba(124, 58, 237, 0.25); }

.vinyl-spin { animation: spin 4s linear infinite; animation-play-state: paused; }
.vinyl-spin.playing { animation-play-state: running; }

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

.pulse-animation { animation: pulse-ring 2s ease-in-out infinite; }
@keyframes pulse-ring { 0% { transform: scale(0.9); opacity: 1; } 50% { transform: scale(1.1); opacity: 0.5; } 100% { transform: scale(0.9); opacity: 1; } }

.fade-in { animation: fadeIn 0.5s ease-in; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

/* Scrollbar & Inputs */
.custom-scrollbar::-webkit-scrollbar { width: 8px; }
.custom-scrollbar::-webkit-scrollbar-track { background: var(--bg-tertiary); border-radius: 10px; }
.custom-scrollbar::-webkit-scrollbar-thumb { background: var(--accent); border-radius: 10px; }

input[type="range"] { -webkit-appearance: none; background: transparent; cursor: pointer; }
input[type="range"]::-webkit-slider-track { background: var(--border); height: 5px; border-radius: 3px; }
input[type="range"]::-webkit-slider-thumb { -webkit-appearance: none; width: 16px; height: 16px; background: var(--accent); border-radius: 50%; margin-top: -5.5px; transition: all 0.3s; box-shadow: 0 0 10px rgba(124, 58, 237, 0.5); }

/* Layout Specifics */
.modal-backdrop { background: rgba(0, 0, 0, 0.8); backdrop-filter: blur(12px); }

.toast { animation: slideIn 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55), fadeOut 0.3s ease-in 2.7s forwards; }
@keyframes slideIn { from { transform: translateY(-100%) scale(0.8); opacity: 0; } to { transform: translateY(0) scale(1); opacity: 1; } }
@keyframes fadeOut { from { opacity: 1; } to { opacity: 0; } }

.nav-item.active::after { content: ''; position: absolute; bottom: -2px; left: 50%; transform: translateX(-50%); width: 30px; height: 4px; background: linear-gradient(90deg, var(--accent), var(--accent-light)); border-radius: 2px; box-shadow: 0 0 10px var(--accent); }

.equalizer-bar { animation: equalize 0.6s ease-in-out infinite alternate; }
@keyframes equalize { from { transform: scaleY(0.5); } to { transform: scaleY(1.2); } }

.floating-player { backdrop-filter: blur(20px); background: linear-gradient(180deg, transparent 0%, var(--bg-secondary) 100%); }

.lyrics-line.active { opacity: 1; font-size: 1.1rem; font-weight: 600; color: var(--accent); transform: scale(1.05); }

/* View Transitions */
@view-transition { navigation: auto; }