:root {
    --dl-primary: #2563eb;
    --dl-primary-dark: #1d4ed8;
    --dl-accent: #dbeafe;
    --dl-bg: #f8fafc;
    --dl-card-bg: #ffffff;
    --dl-text: #0f172a;
    --dl-text-muted: #64748b;
    --dl-border: #dbe3ef;
    --dl-radius: 16px;
    --dl-shadow: 0 8px 24px rgba(15, 23, 42, 0.08);
}

.dl-archive-main {
    max-width: 1280px;
    margin: 0 auto;
    padding: 2rem 1.25rem 3rem;
}

.dl-archive-header {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    align-items: end;
    flex-wrap: wrap;
    padding: 2rem;
    margin-bottom: 1.5rem;
    border-radius: var(--dl-radius);
    background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
}

.dl-archive-header h1 {
    margin: 0 0 0.5rem;
    font-size: clamp(1.8rem, 3vw, 2.6rem);
    color: var(--dl-text);
}

.dl-archive-header p,
.dl-archive-summary,
.dl-card-summary,
.dl-card-meta,
.dl-empty-body {
    color: var(--dl-text-muted);
}

.dl-category-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.55rem 0.85rem;
    border-radius: 999px;
    background: rgba(37, 99, 235, 0.12);
    color: var(--dl-primary-dark);
    font-weight: 600;
}

.dl-filter-nav {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    margin-bottom: 1.5rem;
}

.dl-filter-link,
.dl-download-button {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.75rem 1rem;
    border-radius: 12px;
    text-decoration: none;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.dl-filter-link {
    background: #fff;
    border: 1px solid var(--dl-border);
    color: var(--dl-text);
}

.dl-filter-link.is-active,
.dl-filter-link:hover {
    border-color: var(--dl-primary);
    color: var(--dl-primary-dark);
    background: var(--dl-accent);
}

.dl-archive-search {
    margin-bottom: 1.5rem;
}

.dl-archive-search form {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.dl-archive-search input {
    flex: 1 1 260px;
    min-height: 48px;
    padding: 0.8rem 1rem;
    border: 1px solid var(--dl-border);
    border-radius: 12px;
    background: #fff;
}

.dl-search-button {
    min-height: 48px;
    border: none;
    background: var(--dl-primary);
    color: #fff;
    cursor: pointer;
}

.dl-download-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.25rem;
}

.dl-card {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    padding: 1.25rem;
    background: var(--dl-card-bg);
    border: 1px solid var(--dl-border);
    border-radius: var(--dl-radius);
    box-shadow: var(--dl-shadow);
}

.dl-card-head {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    align-items: start;
}

.dl-type-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.35rem 0.65rem;
    border-radius: 999px;
    background: var(--dl-accent);
    color: var(--dl-primary-dark);
    font-size: 0.82rem;
    font-weight: 600;
}

.dl-card-title {
    margin: 0;
    font-size: 1.1rem;
    color: var(--dl-text);
}

.dl-card-footer {
    margin-top: auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.dl-download-button {
    background: var(--dl-primary);
    color: #fff;
    font-weight: 600;
}

.dl-download-button:hover {
    background: var(--dl-primary-dark);
}

.dl-empty-state {
    text-align: center;
    padding: 3rem 1rem;
    border-radius: var(--dl-radius);
    border: 1px dashed var(--dl-border);
    background: #fff;
}

.dl-empty-icon {
    font-size: 2.5rem;
    margin: 0 0 0.75rem;
}

.dl-external-target {
    display: block;
    margin: 1rem 0 1.5rem;
}

.dl-external-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    justify-content: center;
}

.dl-external-note {
    margin-top: 1rem;
    max-width: 52rem;
}

@media (max-width: 1024px) {
    .dl-download-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 640px) {
    .dl-download-grid {
        grid-template-columns: 1fr;
    }

    .dl-archive-header {
        padding: 1.5rem;
    }
}