:root {
    --spotify-green: #1DB954;
    --apple-music-gradient: linear-gradient(45deg, #fa233b, #fb5c74);
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.6);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Outfit', sans-serif;
}

body {
    background: #0a0a0b;
    color: var(--text-primary);
    overflow: hidden;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.background-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('images/album_cover.png');
    background-size: cover;
    background-position: center;
    filter: blur(80px) brightness(0.4);
    transform: scale(1.2);
    z-index: -1;
}

.container {
    width: 100%;
    max-width: 400px;
    padding: 20px;
    z-index: 1;
}

.card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 32px;
    padding: 40px 30px;
    text-align: center;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

.album-art {
    width: 180px;
    height: 180px;
    margin: 0 auto 24px;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4);
}

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

.song-title {
    font-size: 28px;
    font-weight: 800;
    margin-bottom: 8px;
    letter-spacing: -0.5px;
}

.artist-name {
    font-size: 16px;
    color: var(--text-secondary);
    margin-bottom: 40px;
    font-weight: 300;
}

.cta-text {
    font-size: 14px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 24px;
    font-weight: 600;
}

.buttons {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.btn {
    position: relative;
    text-decoration: none;
    color: white;
    height: 60px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    overflow: hidden;
}

.btn-content {
    display: flex;
    align-items: center;
    gap: 12px;
    z-index: 2;
    font-weight: 600;
    font-size: 16px;
}

.icon {
    width: 24px;
    height: 24px;
}

.spotify {
    background: var(--spotify-green);
}

.apple-music {
    background: var(--apple-music-gradient);
}

.btn:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
}

.btn .glow {
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        rgba(255, 255, 255, 0) 0%,
        rgba(255, 255, 255, 0.2) 50%,
        rgba(255, 255, 255, 0) 100%
    );
    transition: left 0.6s ease;
}

.btn:hover .glow {
    left: 100%;
}

.footer {
    margin-top: 40px;
    font-size: 12px;
    color: var(--text-secondary);
}

/* Animations */
.fade-in {
    animation: fadeIn 1.2s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

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

/* Mobile Optimizations */
@media (max-width: 480px) {
    .container {
        padding: 16px;
    }
    .card {
        padding: 30px 20px;
    }
    .song-title {
        font-size: 24px;
    }
}