/* Trang Giới thiệu: một khung bài viết nền trắng, typography cho HTML CKEditor */
body.page-gioi-thieu {
    --hdk-gt-page-bg: #f4f6f8;
    --hdk-gt-paper: #ffffff;
    --hdk-gt-radius: 12px;
    background: var(--hdk-gt-page-bg);
}

body.page-gioi-thieu .wrapper-detail {
    background: transparent;
}

.hdk-gt-page {
    color: var(--hdk-text-primary, #0f1419);
    background: transparent;
}

.hdk-gt-page .hdk-gt-breadcrumb-wrap .hdk-hub-breadcrumb {
    margin-bottom: 1rem;
}

.hdk-gt-page .hdk-gt-breadcrumb-wrap .breadcrumb-item a {
    color: var(--hdk-text-secondary, #536471);
    text-decoration: none;
}

.hdk-gt-page .hdk-gt-breadcrumb-wrap .breadcrumb-item a:hover {
    color: var(--hdk-primary, #54cfd6);
}

.hdk-gt-page .hdk-gt-breadcrumb-wrap .breadcrumb-item.active {
    color: var(--hdk-text-primary, #0f1419);
}

/* Khung đọc trắng */
.hdk-gt-article {
    max-width: 52rem;
    margin: 0 auto;
    padding: 2.25rem 2rem 2.5rem;
    background: var(--hdk-gt-paper);
    border-radius: var(--hdk-gt-radius);
    box-shadow: 0 1px 12px rgba(15, 20, 25, 0.04);
    overflow-x: auto;
}

.hdk-gt-article .container,
.hdk-gt-article .hdk-gt-wrap {
    max-width: none;
    width: 100%;
    padding: 0;
    margin: 0;
}

/* Prose: HTML CKEditor thuần */
.hdk-gt-prose {
    font-size: 1.0625rem;
    line-height: 1.75;
    color: var(--hdk-text-secondary, #536471);
    word-wrap: break-word;
}

.hdk-gt-prose h1 {
    font-size: clamp(1.5rem, 2.6vw, 2rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.25;
    margin: 0 0 0.875rem;
    color: var(--hdk-text-primary, #0f1419);
}

.hdk-gt-prose h2 {
    font-size: 1.25rem;
    font-weight: 700;
    line-height: 1.35;
    margin: 1.75rem 0 0.75rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid color-mix(in srgb, var(--hdk-primary, #54cfd6) 12%, #e6eaef);
    color: var(--hdk-text-primary, #0f1419);
}

.hdk-gt-prose h2:first-child {
    margin-top: 0;
}

.hdk-gt-prose h3 {
    font-size: 1.0625rem;
    font-weight: 700;
    line-height: 1.4;
    margin: 1.25rem 0 0.5rem;
    color: var(--hdk-text-primary, #0f1419);
}

.hdk-gt-prose h4,
.hdk-gt-prose h5,
.hdk-gt-prose h6 {
    font-size: 1rem;
    font-weight: 600;
    line-height: 1.4;
    margin: 1rem 0 0.5rem;
    color: var(--hdk-text-primary, #0f1419);
}

.hdk-gt-prose p {
    margin: 0 0 0.875rem;
}

.hdk-gt-prose p:last-child {
    margin-bottom: 0;
}

.hdk-gt-prose strong,
.hdk-gt-prose b {
    font-weight: 600;
    color: var(--hdk-text-primary, #0f1419);
}

.hdk-gt-prose a:not(.hdk-gt-btn) {
    color: var(--hdk-primary, #54cfd6);
    text-decoration: none;
    font-weight: 500;
}

.hdk-gt-prose a:not(.hdk-gt-btn):hover {
    text-decoration: underline;
}

.hdk-gt-prose ul,
.hdk-gt-prose ol {
    margin: 0 0 1rem;
    padding-left: 1.375rem;
}

.hdk-gt-prose ul {
    list-style: disc;
}

.hdk-gt-prose ol {
    list-style: decimal;
}

.hdk-gt-prose li {
    margin-bottom: 0.45rem;
}

.hdk-gt-prose li::marker {
    color: var(--hdk-primary, #54cfd6);
}

.hdk-gt-prose li:last-child {
    margin-bottom: 0;
}

.hdk-gt-prose li > ul,
.hdk-gt-prose li > ol {
    margin: 0.4rem 0 0.2rem;
}

.hdk-gt-prose blockquote {
    margin: 0 0 1rem;
    padding: 0.75rem 1rem;
    border-left: 3px solid var(--hdk-primary, #54cfd6);
    background: color-mix(in srgb, var(--hdk-primary, #54cfd6) 5%, #fff);
    border-radius: 0 8px 8px 0;
    color: var(--hdk-text-secondary, #536471);
}

.hdk-gt-prose img {
    display: block;
    max-width: 100%;
    height: auto;
    margin: 0.75rem 0;
    border-radius: 8px;
}

.hdk-gt-prose hr {
    margin: 1.5rem 0;
    border: 0;
    border-top: 1px solid color-mix(in srgb, var(--hdk-primary, #54cfd6) 12%, #e6eaef);
}

.hdk-gt-prose table {
    width: 100%;
    min-width: 280px;
    margin: 0 0 1rem;
    border-collapse: collapse;
    font-size: 0.9375rem;
    line-height: 1.5;
}

.hdk-gt-prose th,
.hdk-gt-prose td {
    padding: 0.7rem 0.85rem;
    border-bottom: 1px solid color-mix(in srgb, var(--hdk-primary, #54cfd6) 10%, #e6eaef);
    text-align: left;
    vertical-align: top;
}

.hdk-gt-prose th {
    font-weight: 600;
    background: color-mix(in srgb, var(--hdk-primary, #54cfd6) 6%, #fff);
    color: var(--hdk-text-primary, #0f1419);
}

.hdk-gt-prose tbody tr:nth-child(even) td {
    background: color-mix(in srgb, var(--hdk-primary, #54cfd6) 3%, #fff);
}

.hdk-gt-prose code {
    padding: 0.1rem 0.35rem;
    font-size: 0.875em;
    border-radius: 4px;
    background: color-mix(in srgb, var(--hdk-primary, #54cfd6) 8%, #fff);
}

.hdk-gt-prose pre {
    overflow-x: auto;
    margin: 0 0 1rem;
    padding: 0.875rem 1rem;
    border-radius: 8px;
    background: color-mix(in srgb, var(--hdk-primary, #54cfd6) 6%, #fff);
    font-size: 0.875rem;
}

/* CTA trong khung bài viết */
.hdk-gt-cta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.625rem;
    margin-top: 1.75rem;
    padding-top: 1.25rem;
    border-top: 1px solid color-mix(in srgb, var(--hdk-primary, #54cfd6) 12%, #e6eaef);
}

.hdk-gt-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.375rem;
    padding: 0.625rem 1.125rem;
    border-radius: 10px;
    font-size: 0.9375rem;
    font-weight: 600;
    line-height: 1.2;
    text-decoration: none;
    white-space: nowrap;
}

.hdk-gt-btn iconify-icon {
    font-size: 1rem;
}

.hdk-gt-prose .hdk-gt-btn-primary,
.hdk-gt-btn-primary {
    background: var(--hdk-primary, #54cfd6);
    border: 1px solid var(--hdk-primary, #54cfd6);
    color: #fff;
    font-weight: 600;
}

.hdk-gt-prose .hdk-gt-btn-primary:hover,
.hdk-gt-btn-primary:hover {
    opacity: 0.92;
    color: #fff;
    text-decoration: none;
}

.hdk-gt-prose .hdk-gt-btn-outline,
.hdk-gt-btn-outline {
    background: transparent;
    border: 1px solid var(--hdk-primary, #54cfd6);
    color: var(--hdk-primary, #54cfd6);
    font-weight: 600;
}

.hdk-gt-prose .hdk-gt-btn-outline:hover,
.hdk-gt-btn-outline:hover {
    background: color-mix(in srgb, var(--hdk-primary, #54cfd6) 8%, #fff);
    color: var(--hdk-primary, #54cfd6);
    text-decoration: none;
}

/* Dark mode */
html.dark body.page-gioi-thieu,
.dark body.page-gioi-thieu,
.dark-mode.page-gioi-thieu {
    --hdk-gt-page-bg: var(--hdk-background, #0f1419);
    --hdk-gt-paper: var(--hdk-card, #1a1f26);
}

html.dark .hdk-gt-article,
.dark .hdk-gt-article {
    box-shadow: 0 2px 16px rgba(0, 0, 0, 0.28);
}

html.dark .hdk-gt-prose h1,
html.dark .hdk-gt-prose h2,
html.dark .hdk-gt-prose h3,
html.dark .hdk-gt-prose h4,
html.dark .hdk-gt-prose h5,
html.dark .hdk-gt-prose h6,
html.dark .hdk-gt-prose strong,
html.dark .hdk-gt-prose b,
html.dark .hdk-gt-prose th {
    color: var(--hdk-text-primary, #e5e7eb);
}

html.dark .hdk-gt-prose,
html.dark .hdk-gt-prose blockquote {
    color: rgba(255, 255, 255, 0.72);
}

html.dark .hdk-gt-prose h2,
html.dark .hdk-gt-prose hr,
html.dark .hdk-gt-cta {
    border-color: rgba(255, 255, 255, 0.1);
}

html.dark .hdk-gt-prose th {
    background: color-mix(in srgb, var(--hdk-primary, #54cfd6) 14%, var(--hdk-card, #1a1f26));
}

html.dark .hdk-gt-prose tbody tr:nth-child(even) td,
html.dark .hdk-gt-prose blockquote,
html.dark .hdk-gt-prose code,
html.dark .hdk-gt-prose pre {
    background: color-mix(in srgb, var(--hdk-primary, #54cfd6) 8%, var(--hdk-card, #1a1f26));
}

html.dark .hdk-gt-btn-outline:hover {
    background: color-mix(in srgb, var(--hdk-primary, #54cfd6) 14%, transparent);
}

@media (max-width: 768px) {
    .hdk-gt-article {
        padding: 1.25rem 1rem 1.5rem;
        border-radius: 10px;
    }

    .hdk-gt-prose {
        font-size: 0.9375rem;
        line-height: 1.7;
    }

    .hdk-gt-prose h2 {
        font-size: 1.125rem;
    }

    .hdk-gt-prose h3 {
        font-size: 1rem;
    }

    .hdk-gt-cta .hdk-gt-btn {
        width: 100%;
    }
}

@media (max-width: 576px) {
    .hdk-gt-article {
        padding: 1.125rem 0.875rem 1.375rem;
    }

    .hdk-gt-prose th,
    .hdk-gt-prose td {
        padding: 0.55rem 0.625rem;
        font-size: 0.875rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    .hdk-gt-btn {
        transition: none;
    }
}