/* CHRISTOS Theme: Apple Music Hi-Fi Glassmorphism */
[data-theme="apple"] {
    --bg-color: #0d0d14;
    --bg-surface: rgba(26, 26, 36, 0.72);
    --bg-surface-hover: rgba(42, 42, 58, 0.85);
    --text-color: #ffffff;
    --text-secondary: #9898a0;
    --accent-color: #fa233b;
    --accent-glow: rgba(250, 35, 59, 0.45);
    --border-color: rgba(255, 255, 255, 0.1);
    --sidebar-width: 250px;
    --player-height: 90px;
    --font-primary: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Helvetica Neue", sans-serif;
    --card-radius: 12px;
    --btn-radius: 20px;
}

[data-theme="apple"] #sidebar {
    background: rgba(18, 18, 24, 0.65);
    backdrop-filter: blur(40px) saturate(190%);
    -webkit-backdrop-filter: blur(40px);
    border-right: 1px solid var(--border-color);
}

[data-theme="apple"] #player-bar {
    background: rgba(20, 20, 28, 0.85);
    backdrop-filter: blur(45px) saturate(200%);
    border-top: 1px solid var(--border-color);
}

[data-theme="apple"] .lib-tab-btn.active {
    background: #fff;
    color: #000;
    font-weight: 700;
}