body.theme-7days {
    --widget-bg: #1a0a0a;
    --widget-border: #8b0000;
    --widget-shadow: 0 0 20px rgba(139, 0, 0, 0.4), inset 0 0 20px rgba(139, 0, 0, 0.1);
    --widget-gradient: linear-gradient(135deg, rgba(139, 0, 0, 0.15) 0%, transparent 100%);

    --title-color: #ff6666;
    --artist-color: #cc3333;
    --time-color: #ff6666;

    --artwork-border: #8b0000;
    --artwork-border-radius: 6px;

    --progress-bg: #2a0a0a;
    --progress-fill: #cc3333;

    --icon-bg: #8b0000;
    --icon-border: #1a0a0a;
    --icon-color: #ff6666;

    --glow-color: rgba(204, 51, 51, 0.8);
}

body.theme-7days .widget {
    border-width: 3px;
}

body.theme-7days .widget::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(ellipse at 10% 20%, rgba(139, 0, 0, 0.2) 0%, transparent 50%),
        radial-gradient(ellipse at 90% 80%, rgba(139, 0, 0, 0.15) 0%, transparent 50%);
    pointer-events: none;
    border-radius: inherit;
}

body.theme-7days .widget-title {
    text-shadow: 0 0 10px #cc3333, 2px 2px 4px rgba(0, 0, 0, 0.8);
    letter-spacing: 1px;
}

body.theme-7days .widget-artist {
    text-shadow: 0 0 5px #8b0000;
}

body.theme-7days .widget-artwork img {
    filter: contrast(1.2) saturate(0.8);
}

body.theme-7days .progress-fill {
    box-shadow: 0 0 15px #cc3333;
    background: linear-gradient(90deg, #8b0000, #cc3333, #ff6666);
}

body.theme-7days .source-icon {
    animation: zombiePulse 2s ease-in-out infinite;
}

@keyframes zombiePulse {
    0%, 100% {
        box-shadow: 0 0 5px #8b0000;
    }
    50% {
        box-shadow: 0 0 15px #cc3333, 0 0 25px #8b0000;
    }
}