:root {
    --bg-dark: #0a0a0f;
    --accent-primary: #5900ff;
    --accent-secondary: #00e5ff;
    --glass-bg: rgba(20, 20, 25, 0.45);
    --glass-border: rgba(255, 255, 255, 0.08);
    --text-primary: #f8f9fa;
    --text-muted: #8e8e9e;
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

body {
    background-color: var(--bg-dark);
    color: var(--text-primary);
    font-family: 'Outfit', sans-serif;
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

/* Background Blobs for depth */
.blob-bg {
    position: fixed;
    border-radius: 50%;
    filter: blur(120px);
    z-index: -1;
    opacity: 0.5;
}
.blob-1 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--accent-primary) 0%, transparent 70%);
    top: -200px;
    left: -150px;
    animation: float 20s ease-in-out infinite alternate;
}
.blob-2 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, var(--accent-secondary) 0%, transparent 70%);
    bottom: -150px;
    right: -100px;
    animation: float 15s ease-in-out infinite alternate-reverse;
}

@keyframes float {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(50px, 30px) scale(1.1); }
}

/* Core Layout */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
    padding-top: 100px;
}

.glass-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 80px;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 3rem;
    z-index: 100;
}

.logo h1 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 2rem;
    font-weight: 800;
    letter-spacing: -1px;
}
.logo span { color: var(--accent-secondary); }
.subtitle {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.stat-badge {
    background: rgba(89, 0, 255, 0.2);
    border: 1px solid rgba(89, 0, 255, 0.4);
    padding: 0.5rem 1.2rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.9rem;
    box-shadow: 0 0 15px rgba(89, 0, 255, 0.3);
}

.info-bar {
    text-align: right;
    margin-bottom: 0.8rem;
    padding: 0 0.5rem;
}

#last-updated {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-family: 'Space Grotesk', sans-serif;
    letter-spacing: 0.5px;
    opacity: 0.6;
}

/* Tabs */
.main-tabs {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    padding-bottom: 0.5rem;
}
.nav-tab {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 1.2rem;
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    cursor: pointer;
    padding: 0.5rem 0;
    transition: var(--transition);
    position: relative;
}
.nav-tab:hover { color: white; }
.nav-tab.active { color: var(--accent-secondary); }
.nav-tab.active::after {
    content: '';
    position: absolute;
    bottom: -0.6rem;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--accent-secondary);
    border-radius: 5px;
    box-shadow: 0 0 10px var(--accent-secondary);
}

/* Controls */
.controls {
    display: flex;
    gap: 1rem;
    margin-bottom: 2.5rem;
    border-radius: 16px;
    padding: 1rem;
}
.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
}

.search-bar {
    flex: 1;
    background: rgba(0,0,0,0.3);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 12px;
    padding: 1rem 1.5rem;
    color: white;
    font-family: inherit;
    font-size: 1rem;
    outline: none;
    transition: var(--transition);
}
.search-bar:focus {
    border-color: var(--accent-secondary);
    box-shadow: 0 0 10px rgba(0, 229, 255, 0.2);
}

.filter-btn {
    background: transparent;
    border: 1px solid rgba(255,255,255,0.2);
    color: var(--text-muted);
    padding: 0.8rem 1.5rem;
    border-radius: 12px;
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition);
}
.filter-btn:hover { background: rgba(255,255,255,0.05); }
.filter-btn.active {
    background: var(--text-primary);
    color: var(--bg-dark);
    border-color: var(--text-primary);
}

/* Grid */
.grid-layout {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2rem;
}

/* Track Card */
.track-card {
    background: rgba(15, 15, 20, 0.6);
    backdrop-filter: blur(15px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    overflow: hidden;
    transition: var(--transition);
    position: relative;
    display: flex;
    flex-direction: column;
}

.track-card:hover {
    transform: translateY(-8px);
    border-color: rgba(255, 255, 255, 0.2);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.5), 
                0 0 20px rgba(89, 0, 255, 0.2);
}

.card-image-wrapper {
    position: relative;
    width: 100%;
    aspect-ratio: 16/9;
    overflow: hidden;
    background: linear-gradient(45deg, #121212, #212121);
}
.thumbnail {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}
.track-card:hover .thumbnail {
    transform: scale(1.05);
}

.nature-badge {
    position: absolute;
    top: 1rem;
    left: 1rem;
    background: rgba(89, 0, 255, 0.7);
    backdrop-filter: blur(5px);
    padding: 0.3rem 0.8rem;
    border-radius: 8px;
    font-weight: 700;
    font-size: 0.75rem;
    color: white;
    text-transform: uppercase;
    letter-spacing: 1px;
    z-index: 2;
    border: 1px solid rgba(255,255,255,0.2);
}

.duration-badge {
    position: absolute;
    bottom: 0.8rem;
    right: 0.8rem;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(5px);
    color: white;
    padding: 2px 8px;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 600;
    font-family: 'Space Grotesk', sans-serif;
    z-index: 2;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.vote-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: rgba(0,0,0,0.7);
    backdrop-filter: blur(5px);
    padding: 0.4rem 0.8rem;
    border-radius: 20px;
    font-weight: 800;
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: 5px;
    color: var(--accent-secondary);
    border: 1px solid rgba(0, 229, 255, 0.3);
}

.card-content {
    padding: 1.5rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.track-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.3rem;
    line-height: 1.2;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

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

.track-title a:hover {
    color: var(--accent-secondary);
}

.track-artist {
    color: var(--accent-primary);
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.5rem;
}

.genre-container {
    display: flex;
    gap: 0.4rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.genre-tag {
    background: rgba(0, 225, 255, 0.1);
    color: var(--accent-secondary);
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    border: 1px solid rgba(0, 225, 255, 0.2);
}

.track-comment {
    font-style: italic;
    font-size: 0.85rem;
    color: var(--text-muted);
    border-left: 2px solid var(--accent-primary);
    padding-left: 0.8rem;
    margin: 0.5rem 0 0.5rem 0;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.track-sender {
    font-size: 0.7rem;
    color: var(--text-muted);
    text-align: right;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 700;
    opacity: 0.8;
    margin-bottom: 1.5rem;
}

.platform-links {
    display: flex;
    gap: 0.5rem;
    margin-top: auto;
    padding-top: 1.5rem;
    flex-wrap: wrap;
}

.plat-link {
    background: rgba(255,255,255,0.05);
    color: var(--text-muted);
    text-decoration: none;
    padding: 0.4rem 0.8rem;
    border-radius: 8px;
    font-size: 0.75rem;
    font-weight: 600;
    transition: var(--transition);
    border: 1px solid rgba(255,255,255,0.05);
}
.plat-link:hover {
    background: rgba(255,255,255,0.15);
    color: white;
}

.plat-link.source {
    border-color: var(--accent-secondary);
    color: var(--accent-secondary);
    background: rgba(0, 229, 255, 0.05);
}
.plat-link.source:hover {
    background: var(--accent-secondary);
    color: var(--bg-dark);
}

.plat-link.spotify:hover { border-color: #1DB954; color: #1DB954; }
.plat-link.youtube:hover { border-color: #FF0000; color: #FF0000; }
.plat-link.apple:hover { border-color: #FA243C; color: #FA243C; }
.plat-link.deezer:hover { border-color: #00C7F2; color: #00C7F2; }
.plat-link.tidal:hover { border-color: #00e5ff; color: #00e5ff; }

/* Loader */
.loader-container {
    grid-column: 1 / -1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 5rem;
    color: var(--text-muted);
}
.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(255,255,255,0.1);
    border-top-color: var(--accent-secondary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 1rem;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* No Results fallback */
.no-results {
    grid-column: 1 / -1;
    text-align: center;
    padding: 4rem;
    font-size: 1.2rem;
    color: var(--text-muted);
}