:root {
    --card-bg: linear-gradient(145deg, #140808, #0a0303);
    --text-secondary: #aa8888;
    --text-muted: #665555;
    --accent: #b41e1e;
    --accent-hover: #d42a2a;
    --input-focus-border: rgba(180, 30, 30, 0.6);
    --input-focus-glow: rgba(180, 30, 30, 0.15);
    --glow: 0 0 30px rgba(180, 30, 30, 0.15);
    --card-border-gradient: linear-gradient(135deg, rgba(180,30,30,0.2), transparent 50%, rgba(255,255,255,0.05));
    --header-start: #200a0a;
    --header-end: #050101;
}

header {
    background: linear-gradient(135deg, var(--header-start), var(--header-end));
}

.card {
    background: var(--card-bg);
    text-decoration: none;
    color: inherit;
    cursor: pointer;
}

.card:hover {
    box-shadow: var(--glow);
}

.image-container {
    aspect-ratio: 16 / 9;
}

.screenshot {
    object-fit: cover;
}

.no-screenshot-placeholder {
    background: linear-gradient(135deg, #200a0a, #0a0303);
}

.image-overlay {
    background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
}

.preset-description {
    margin-top: 0.5rem;
    margin-bottom: 0.75rem;
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.4;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
}

.card-actions {
    display: flex;
    gap: 0.5rem;
    margin-top: auto;
    padding-top: 0.75rem;
    border-top: 1px solid var(--border);
}

.card-actions .btn {
    flex: 1;
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 600;
    text-align: center;
    text-decoration: none;
    transition: all 0.2s ease;
    cursor: pointer;
    border: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.3rem;
}

.btn-download {
    background: var(--accent);
    color: white;
}

.btn-download:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
}

.btn-edit {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--border-strong) !important;
    color: var(--text-primary);
}

.btn-edit:hover {
    background: rgba(255, 255, 255, 0.12);
    transform: translateY(-2px);
}

.search-button {
    background: var(--accent);
}

.search-button:hover {
    background: var(--accent-hover);
    box-shadow: var(--glow);
}

.page-link:hover {
    background: rgba(180, 30, 30, 0.15);
    border-color: var(--accent);
}

@media (max-width: 767px) {
    .card-grid {
        grid-template-columns: repeat(1, 1fr);
    }
    .card-details {
        padding: 0.75rem;
    }
}

@media (min-width: 768px) and (max-width: 1439px) {
    .card-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1440px) and (max-width: 2499px) {
    .card-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 2500px) {
    .card-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}