/* ===== ARCHIVE VĂN KIỆN STYLES ===== */
.vk-archive-wrapper {
    max-width: 1100px;
    margin: 0 auto;
    padding: 40px 20px 60px;
    font-family: 'Source Serif 4', serif !important;
    font-size: 17px;
    line-height: 1.7;
}
.vk-archive-hero {
    text-align: center;
    padding: 50px 20px 30px;
    border-bottom: 3px solid #003366;
    margin-bottom: 30px;
}
.vk-archive-hero h1 {
    font-family: 'Playfair Display', serif !important;
    font-size: 32px !important;
    color: #003366;
    font-weight: 700;
    letter-spacing: 1px;
    margin: 0 0 12px;
    line-height: 1.3 !important;
}
.vk-archive-hero p {
    color: #555;
    font-size: 1.05em;
    max-width: 600px;
    margin: 0 auto 24px;
    line-height: 1.7;
}

/* ===== SEARCH BAR ===== */
.vk-arch-search-bar {
    max-width: 680px;
    margin: 0 auto 16px;
    display: flex;
    align-items: center;
    background: #fff;
    border: 2px solid #003366;
    border-radius: 50px;
    padding: 6px 16px 6px 20px;
    box-shadow: 0 4px 16px rgba(0,51,102,0.10);
    transition: box-shadow 0.2s;
}
.vk-arch-search-bar:focus-within {
    box-shadow: 0 6px 24px rgba(0,51,102,0.18);
    border-color: #005599;
}
.vk-arch-search-bar input {
    flex: 1;
    border: none;
    outline: none;
    font-size: 15px;
    font-family: sans-serif;
    background: transparent;
    color: #333;
    padding: 6px 0;
}
.vk-arch-search-bar input::placeholder { color: #aaa; }
.vk-arch-search-btn {
    background: #003366;
    border: none;
    color: #fff;
    border-radius: 50px;
    padding: 7px 18px;
    cursor: pointer;
    font-size: 14px;
    font-weight: bold;
    font-family: sans-serif;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: background 0.2s;
    flex-shrink: 0;
}
.vk-arch-search-btn:hover { background: #002244; }

/* Filter row */
.vk-arch-filters {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 30px;
}
.vk-arch-filter-select {
    padding: 8px 14px;
    border: 1px solid #c0cfe0;
    border-radius: 8px;
    font-size: 13px;
    font-family: sans-serif;
    color: #003366;
    background: #fff;
    cursor: pointer;
    outline: none;
    transition: border-color 0.2s;
    min-width: 180px;
}
.vk-arch-filter-select:focus { border-color: #003366; }

/* Kết quả tìm kiếm */
#vk-arch-results-info {
    text-align: center;
    color: #666;
    font-size: 13px;
    font-family: sans-serif;
    margin-bottom: 20px;
    min-height: 20px;
}
.vk-arch-no-results {
    text-align: center;
    padding: 50px 20px;
    color: #999;
    font-size: 1.1em;
    display: none;
}

/* Nhóm taxonomy */
.vk-tax-group {
    margin-bottom: 55px;
    transition: opacity 0.2s;
}
.vk-tax-group.hidden { display: none; }
.vk-tax-group-header {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 22px;
    padding-bottom: 12px;
    border-bottom: 2px solid #003366;
}
.vk-tax-group-header h2 {
    font-family: 'Playfair Display', serif !important;
    font-size: 25px !important;
    color: #003366;
    font-weight: 700;
    margin: 0;
}
.vk-tax-badge {
    background: #003366;
    color: #fff;
    font-size: 12px;
    font-weight: bold;
    padding: 3px 10px;
    border-radius: 20px;
    font-family: sans-serif;
}

/* Grid card */
.vk-archive-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 22px;
}
.vk-archive-card {
    background: #fff;
    border: 1px solid #e0e6f0;
    border-left: 4px solid #003366;
    border-radius: 8px;
    padding: 20px 22px;
    text-decoration: none;
    color: inherit;
    display: block;
    transition: all 0.25s ease;
    box-shadow: 0 2px 8px rgba(0,51,102,0.06);
}
.vk-archive-card.hidden { display: none; }
.vk-archive-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(0,51,102,0.15);
    border-left-color: #c8a84b;
    text-decoration: none;
    color: inherit;
}
.vk-archive-card h3 {
    font-family: 'Playfair Display', serif !important;
    font-size: 18px !important;
    font-weight: 700;
    color: #003366;
    margin: 0 0 8px;
    line-height: 1.4 !important;
}
.vk-archive-card .vk-card-excerpt {
    font-size: 0.9em;
    color: #666;
    line-height: 1.6;
    margin: 0 0 8px;
}
.vk-card-nguoi {
    font-size: 0.78em;
    color: #888;
    font-family: sans-serif;
    font-style: italic;
    margin-top: 6px;
}
.vk-archive-card .vk-card-meta {
    margin-top: 6px;
    font-size: 0.78em;
    color: #999;
    font-family: sans-serif;
}

/* Responsive */
@media (max-width: 600px) {
    .vk-archive-hero h1 { font-size: 24px !important; }
    .vk-archive-grid { grid-template-columns: 1fr; }
    .vk-arch-search-bar { border-radius: 12px; }
    .vk-arch-filters { gap: 8px; }
    .vk-arch-filter-select { min-width: 140px; }
}