/* ── Single Từ Điển Styles ── */
:root {
    --vc-gold: #D4AF37;
    --vc-deep-blue: #003366;
    --vc-bg-cream: #FDFDFD;
    --vc-text: #333333;
}

.vc-single-td-wrapper {
    background-color: var(--vc-bg-cream);
    min-height: 100vh;
    padding: 40px 0;
    font-family: 'Source Serif 4', serif !important;
}

.vc-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 350px;
    gap: 40px;
}

/* Breadcrumbs */
.vc-breadcrumbs {
    margin-bottom: 20px;
    font-size: 14px;
    color: #666;
    font-family: sans-serif;
}
.vc-breadcrumbs a {
    color: var(--vc-deep-blue);
    text-decoration: none;
    transition: color 0.2s;
}
.vc-breadcrumbs a:hover {
    color: var(--vc-gold);
}
.vc-breadcrumbs span {
    margin: 0 8px;
    color: #ccc;
}

/* Article Card */
.vc-article-card {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.05);
    padding: 40px;
    border-top: 5px solid var(--vc-gold);
}

.vc-title-section {
    margin-bottom: 30px;
    border-bottom: 1px solid #eee;
    padding-bottom: 20px;
}

.vc-en-title {
    font-family: 'Playfair Display', serif !important;
    font-size: 21px !important;
    color: var(--vc-gold);
    font-style: italic;
    margin-bottom: 5px;
    display: block;
}

.vc-vi-title {
    font-family: 'Playfair Display', serif !important;
    font-size: 32px !important;
    color: var(--vc-deep-blue);
    line-height: 1.3 !important;
    margin: 0;
    font-weight: 700;
}

/* Quick Info */
.vc-quick-info {
    background: #f8f9fa;
    border-left: 4px solid var(--vc-deep-blue);
    padding: 20px;
    margin-bottom: 30px;
    border-radius: 0 8px 8px 0;
}
.vc-quick-info h4 {
    margin: 0 0 10px 0;
    font-size: 16px;
    color: var(--vc-deep-blue);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-family: sans-serif;
}
.vc-keywords-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}
.vc-keyword-tag {
    background: #fff;
    border: 1px solid #ddd;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 14px;
    color: #555;
    font-family: sans-serif;
}

/* Content */
.vc-content {
    font-family: 'Source Serif 4', serif !important;
    color: var(--vc-text);
}
.vc-content h2, .vc-content h3 {
    font-family: 'Playfair Display', serif !important;
    color: var(--vc-deep-blue);
    margin-top: 40px;
}
.vc-content h2 { font-size: 25px !important; }
.vc-content h3 { font-size: 21px !important; }
.vc-content p {
    margin-bottom: 20px;
}

/* Sidebar Widgets */
.vc-sidebar-widget {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.05);
    padding: 25px;
    margin-bottom: 30px;
}
.vc-sidebar-widget h3 {
    font-family: 'Playfair Display', serif !important;
    font-size: 21px !important;
    color: var(--vc-deep-blue);
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--vc-gold);
}

.vc-related-list {
    list-style: none;
    padding: 0;
    margin: 0;
}
.vc-related-list li {
    margin-bottom: 15px;
}
.vc-related-list a {
    display: block;
    color: #444;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.2s;
    padding: 10px;
    border-radius: 6px;
    font-family: sans-serif;
}
.vc-related-list a:hover {
    background: #f0f4f8;
    color: var(--vc-gold);
    padding-left: 15px;
}

/* A-Z Lookup */
.vc-alpha-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 8px;
}
.vc-alpha-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    aspect-ratio: 1;
    background: #f8f9fa;
    border: 1px solid #eee;
    border-radius: 4px;
    color: var(--vc-deep-blue);
    text-decoration: none;
    font-weight: bold;
    font-size: 14px;
    transition: all 0.2s;
    font-family: sans-serif;
}
.vc-alpha-btn:hover {
    background: var(--vc-deep-blue);
    color: #fff;
    border-color: var(--vc-deep-blue);
}
.vc-alpha-btn.active {
    background: var(--vc-gold);
    color: #fff;
    border-color: var(--vc-gold);
}

/* Responsive */
@media (max-width: 991px) {
    .vc-container {
        grid-template-columns: 1fr;
    }
    .vc-vi-title {
        font-size: 24px !important;
    }
    .vc-article-card {
        padding: 25px;
    }
}