/*
Theme Name: Theme XD
Theme URI: https://vinhxd.com
Author: Vĩnh XD
Author URI: https://vinhxd.com
Description: Theme tối giản tương thích Elementor & JetThemeCore (Crocoblock). Header, Footer, Widget dùng Elementor Template. Trang đơn và danh mục được thiết kế đẹp sẵn.
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.7
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: theme-xd
Tags: elementor, crocoblock, jetthemecore, blog, portfolio
*/

/* ============================================
   THEME XD - BASE STYLES
   Elementor + JetThemeCore Compatible
============================================ */

:root {
    /* Màu sắc sẽ được ghi đè bởi Elementor Global Colors */
    --txd-primary:       #0a0a0a;
    --txd-accent:        #e63946;
    --txd-text:          #1a1a1a;
    --txd-text-light:    #666666;
    --txd-bg:            #ffffff;
    --txd-bg-secondary:  #f5f5f5;
    --txd-border:        #e8e8e8;
    --txd-radius:        6px;
    --txd-max-width:     1200px;
    --txd-content-width: 780px;
    --txd-gap:           2rem;
}

/* Reset & Base */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
    font-family: var(--e-global-typography-text-font-family, 'Segoe UI', system-ui, sans-serif);
    font-size: 16px;
    line-height: 1.7;
    color: var(--txd-text);
    background-color: var(--txd-bg);
    -webkit-font-smoothing: antialiased;
}

/* Typography - kế thừa từ Elementor Global */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--e-global-typography-primary-font-family, inherit);
    font-weight: var(--e-global-typography-primary-font-weight, 700);
    line-height: 1.3;
    color: var(--txd-primary);
}

a { color: var(--e-global-color-accent, var(--txd-accent)); text-decoration: none; transition: color .2s; }
a:hover { opacity: .8; }

img, video { max-width: 100%; height: auto; display: block; }

/* Layout */
.txd-container {
    max-width: var(--txd-max-width);
    margin: 0 auto;
    padding: 0 1.25rem;
}

.txd-site-wrapper {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.txd-main { flex: 1; }

/* Elementor Full Width Override */
.elementor-section.elementor-section-stretched {
    left: 0 !important;
    width: 100% !important;
}

/* ============================================
   FALLBACK HEADER (khi chưa set Elementor Template)
============================================ */
.txd-fallback-header {
    background: var(--txd-primary);
    padding: .75rem 0;
    position: sticky;
    top: 0;
    z-index: 999;
}
.txd-fallback-header .txd-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.txd-fallback-header .site-title a {
    color: #fff;
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -.02em;
}
.txd-fallback-nav { display: flex; gap: 1.5rem; list-style: none; }
.txd-fallback-nav a { color: rgba(255,255,255,.8); font-size: .875rem; }
.txd-fallback-nav a:hover { color: #fff; opacity: 1; }

/* ============================================
   FALLBACK FOOTER (khi chưa set Elementor Template)
============================================ */
.txd-fallback-footer {
    background: var(--txd-primary);
    color: rgba(255,255,255,.6);
    text-align: center;
    padding: 1.5rem 0;
    font-size: .875rem;
}
.txd-fallback-footer a { color: rgba(255,255,255,.8); }

/* ============================================
   BREADCRUMB
============================================ */
.txd-breadcrumb {
    padding: .75rem 0;
    font-size: .8125rem;
    color: var(--txd-text-light);
    border-bottom: 1px solid var(--txd-border);
    background: var(--txd-bg-secondary);
}
.txd-breadcrumb ol {
    display: flex;
    flex-wrap: wrap;
    gap: .25rem;
    list-style: none;
    align-items: center;
}
.txd-breadcrumb ol li + li::before { content: '›'; margin-right: .25rem; color: var(--txd-border); }
.txd-breadcrumb a { color: var(--txd-text-light); }
.txd-breadcrumb a:hover { color: var(--txd-accent); opacity: 1; }

/* ============================================
   SINGLE POST / PAGE
============================================ */
.txd-single-layout {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 2.5rem;
    max-width: var(--txd-max-width);
    margin: 0 auto;
    padding: 2rem 1.25rem 3rem;
    align-items: start;
}

@media (max-width: 1024px) {
    .txd-single-layout { grid-template-columns: 1fr; }
    .txd-sidebar { order: 2; }
}

/* Post Header */
.txd-post-header { margin-bottom: 2rem; }

.txd-cat-badge {
    display: inline-flex;
    align-items: center;
    gap: .35rem;
    background: var(--e-global-color-accent, var(--txd-accent));
    color: #fff;
    font-size: .75rem;
    font-weight: 700;
    letter-spacing: .08em;
    text-transform: uppercase;
    padding: .3rem .8rem;
    border-radius: 3px;
    margin-bottom: 1rem;
    text-decoration: none;
}
.txd-cat-badge:hover { opacity: .85; color: #fff; }

.txd-post-title {
    font-size: clamp(1.6rem, 3.5vw, 2.4rem);
    font-weight: 800;
    line-height: 1.25;
    letter-spacing: -.02em;
    margin-bottom: 1rem;
    color: var(--txd-primary);
}

.txd-post-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: .75rem 1.25rem;
    font-size: .8125rem;
    color: var(--txd-text-light);
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--txd-border);
}
.txd-post-meta .txd-author { display: flex; align-items: center; gap: .4rem; }
.txd-post-meta .txd-author img { width: 26px; height: 26px; border-radius: 50%; object-fit: cover; }
.txd-post-meta strong { color: var(--txd-text); }
.txd-post-meta .txd-divider { color: var(--txd-border); }
.txd-reading-time { display: flex; align-items: center; gap: .3rem; }

/* Featured Image */
.txd-featured-image {
    margin-bottom: 2rem;
    border-radius: var(--txd-radius);
    overflow: hidden;
    box-shadow: 0 4px 24px rgba(0,0,0,.1);
    position: relative;
}
.txd-featured-image img { width: 100%; max-height: 480px; object-fit: cover; }

/* Table of Contents */
.txd-toc {
    background: var(--txd-bg-secondary);
    border: 1px solid var(--txd-border);
    border-left: 4px solid var(--e-global-color-accent, var(--txd-accent));
    border-radius: var(--txd-radius);
    padding: 1.25rem 1.5rem;
    margin-bottom: 2rem;
    font-size: .9rem;
}
.txd-toc-title {
    font-size: .875rem;
    font-weight: 700;
    letter-spacing: .06em;
    text-transform: uppercase;
    margin-bottom: .75rem;
    color: var(--txd-primary);
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    user-select: none;
}
.txd-toc-title span.toggle { font-size: .75rem; color: var(--txd-text-light); }
.txd-toc ol { padding-left: 1.2rem; }
.txd-toc ol li { margin-bottom: .3rem; line-height: 1.5; }
.txd-toc a { color: var(--txd-text); }
.txd-toc a:hover { color: var(--e-global-color-accent, var(--txd-accent)); opacity: 1; }
.txd-toc-body { transition: max-height .3s ease; overflow: hidden; }
.txd-toc-body.collapsed { max-height: 0; }

/* Post Content */
.txd-post-content {
    font-size: 1rem;
    line-height: 1.85;
    color: var(--txd-text);
}
.txd-post-content h2 {
    font-size: 1.5rem;
    margin: 2rem 0 .75rem;
    padding-bottom: .5rem;
    border-bottom: 2px solid var(--txd-border);
}
.txd-post-content h3 { font-size: 1.25rem; margin: 1.5rem 0 .5rem; }
.txd-post-content h4 { font-size: 1.1rem; margin: 1.25rem 0 .4rem; }
.txd-post-content p { margin-bottom: 1.25rem; }
.txd-post-content ul, .txd-post-content ol { padding-left: 1.5rem; margin-bottom: 1.25rem; }
.txd-post-content li { margin-bottom: .4rem; }
.txd-post-content blockquote {
    border-left: 4px solid var(--e-global-color-accent, var(--txd-accent));
    margin: 1.5rem 0;
    padding: 1rem 1.5rem;
    background: var(--txd-bg-secondary);
    border-radius: 0 var(--txd-radius) var(--txd-radius) 0;
    font-style: italic;
    color: var(--txd-text-light);
}
.txd-post-content img {
    border-radius: var(--txd-radius);
    margin: 1.25rem 0;
    box-shadow: 0 2px 12px rgba(0,0,0,.08);
}
.txd-post-content figure { margin: 1.5rem 0; }
.txd-post-content figcaption { text-align: center; font-size: .8125rem; color: var(--txd-text-light); margin-top: .5rem; }
.txd-post-content table { width: 100%; border-collapse: collapse; margin-bottom: 1.25rem; }
.txd-post-content th, .txd-post-content td { padding: .6rem 1rem; border: 1px solid var(--txd-border); font-size: .9rem; }
.txd-post-content th { background: var(--txd-bg-secondary); font-weight: 700; }
.txd-post-content tr:nth-child(even) td { background: var(--txd-bg-secondary); }
.txd-post-content a { text-decoration: underline; text-underline-offset: 2px; }
.txd-post-content code {
    background: var(--txd-bg-secondary);
    border: 1px solid var(--txd-border);
    border-radius: 3px;
    padding: .1em .4em;
    font-size: .875em;
}
.txd-post-content pre {
    background: var(--txd-primary);
    color: #f8f8f2;
    border-radius: var(--txd-radius);
    padding: 1.25rem;
    overflow-x: auto;
    margin-bottom: 1.25rem;
}
.txd-post-content pre code { background: none; border: none; padding: 0; font-size: .875rem; color: inherit; }

/* Share Bar */
.txd-share {
    display: flex;
    align-items: center;
    gap: .75rem;
    flex-wrap: wrap;
    padding: 1.25rem 0;
    border-top: 1px solid var(--txd-border);
    border-bottom: 1px solid var(--txd-border);
    margin: 2rem 0;
}
.txd-share-label { font-size: .875rem; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; color: var(--txd-text-light); }
.txd-share-btn {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    padding: .45rem 1rem;
    border-radius: 4px;
    font-size: .8125rem;
    font-weight: 600;
    color: #fff;
    text-decoration: none;
    transition: transform .15s, opacity .15s;
}
.txd-share-btn:hover { transform: translateY(-2px); opacity: .9; color: #fff; }
.txd-share-btn.facebook { background: #1877f2; }
.txd-share-btn.zalo { background: #0068ff; }
.txd-share-btn.twitter { background: #1da1f2; }
.txd-share-btn.copy-link { background: var(--txd-text-light); cursor: pointer; border: none; }
.txd-share-btn.copy-link.copied { background: #22c55e; }

/* Tags */
.txd-post-tags {
    display: flex;
    flex-wrap: wrap;
    gap: .5rem;
    margin: 1rem 0 2rem;
}
.txd-post-tags .tag {
    background: var(--txd-bg-secondary);
    border: 1px solid var(--txd-border);
    color: var(--txd-text-light);
    font-size: .8rem;
    padding: .25rem .7rem;
    border-radius: 3px;
    transition: all .2s;
}
.txd-post-tags .tag:hover {
    background: var(--e-global-color-accent, var(--txd-accent));
    color: #fff;
    border-color: transparent;
    opacity: 1;
}

/* Author Box */
.txd-author-box {
    display: flex;
    gap: 1.25rem;
    align-items: flex-start;
    background: var(--txd-bg-secondary);
    border: 1px solid var(--txd-border);
    border-radius: var(--txd-radius);
    padding: 1.5rem;
    margin: 2rem 0;
}
.txd-author-box img { width: 64px; height: 64px; border-radius: 50%; object-fit: cover; flex-shrink: 0; }
.txd-author-box-info h4 { font-size: 1rem; margin-bottom: .25rem; }
.txd-author-box-info p { font-size: .875rem; color: var(--txd-text-light); margin: 0; }

/* Related Posts */
.txd-related {
    margin-top: 2.5rem;
    padding-top: 2rem;
    border-top: 2px solid var(--txd-border);
}
.txd-related-title {
    font-size: 1.125rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: .06em;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: .75rem;
}
.txd-related-title::after { content: ''; flex: 1; height: 2px; background: var(--txd-border); }
.txd-related-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 1.25rem;
}
.txd-related-card { border-radius: var(--txd-radius); overflow: hidden; border: 1px solid var(--txd-border); background: var(--txd-bg); transition: box-shadow .2s, transform .2s; }
.txd-related-card:hover { box-shadow: 0 8px 24px rgba(0,0,0,.1); transform: translateY(-3px); }
.txd-related-card .thumb { aspect-ratio: 16/9; overflow: hidden; }
.txd-related-card .thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.txd-related-card:hover .thumb img { transform: scale(1.05); }
.txd-related-card .info { padding: .875rem 1rem; }
.txd-related-card .info .cat { font-size: .7rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--e-global-color-accent, var(--txd-accent)); margin-bottom: .3rem; display: block; }
.txd-related-card .info h3 { font-size: .9375rem; line-height: 1.4; font-weight: 700; margin: 0; display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 2; overflow: hidden; }
.txd-related-card .info .date { font-size: .78rem; color: var(--txd-text-light); margin-top: .4rem; }

/* Post Navigation */
.txd-post-nav {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin: 2rem 0;
}
.txd-post-nav-item {
    padding: 1rem 1.25rem;
    border: 1px solid var(--txd-border);
    border-radius: var(--txd-radius);
    transition: background .2s, border-color .2s;
    background: var(--txd-bg);
}
.txd-post-nav-item:hover { background: var(--txd-bg-secondary); border-color: var(--e-global-color-accent, var(--txd-accent)); }
.txd-post-nav-item.next { text-align: right; }
.txd-post-nav-item .nav-label { font-size: .75rem; text-transform: uppercase; letter-spacing: .06em; color: var(--txd-text-light); font-weight: 700; margin-bottom: .3rem; }
.txd-post-nav-item .nav-title { font-size: .9rem; font-weight: 600; color: var(--txd-text); display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 2; overflow: hidden; }

/* Comments */
.txd-comments { margin-top: 2.5rem; }

/* ============================================
   SIDEBAR
============================================ */
.txd-sidebar {
    position: sticky;
    top: 80px;
}
.txd-widget {
    background: var(--txd-bg);
    border: 1px solid var(--txd-border);
    border-radius: var(--txd-radius);
    padding: 1.25rem;
    margin-bottom: 1.5rem;
}
.txd-widget-title {
    font-size: .8125rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: .1em;
    margin-bottom: 1rem;
    padding-bottom: .5rem;
    border-bottom: 2px solid var(--e-global-color-accent, var(--txd-accent));
    color: var(--txd-primary);
}

/* Recent Posts Widget */
.txd-recent-post-item { display: flex; gap: .75rem; margin-bottom: .875rem; padding-bottom: .875rem; border-bottom: 1px solid var(--txd-border); }
.txd-recent-post-item:last-child { border: none; margin: 0; padding: 0; }
.txd-recent-post-item .thumb { width: 70px; height: 52px; flex-shrink: 0; border-radius: 4px; overflow: hidden; }
.txd-recent-post-item .thumb img { width: 100%; height: 100%; object-fit: cover; }
.txd-recent-post-item .info .title { font-size: .8rem; font-weight: 600; line-height: 1.4; display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 2; overflow: hidden; color: var(--txd-text); }
.txd-recent-post-item .info .date { font-size: .72rem; color: var(--txd-text-light); margin-top: .2rem; }

/* ============================================
   ARCHIVE / BLOG
============================================ */
.txd-archive-layout {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 2.5rem;
    max-width: var(--txd-max-width);
    margin: 0 auto;
    padding: 2rem 1.25rem 3rem;
    align-items: start;
}
@media (max-width: 1024px) {
    .txd-archive-layout { grid-template-columns: 1fr; }
}

/* Archive Header */
.txd-archive-header {
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--txd-border);
}
.txd-archive-header h1 { font-size: 1.75rem; font-weight: 800; }
.txd-archive-header p { color: var(--txd-text-light); margin-top: .25rem; }
.txd-archive-count { font-size: .875rem; color: var(--txd-text-light); margin-top: .5rem; }

/* Archive Post List */
.txd-post-list { display: flex; flex-direction: column; gap: 1.75rem; }

/* Featured Post Card (first item) */
.txd-post-card-featured {
    border: 1px solid var(--txd-border);
    border-radius: var(--txd-radius);
    overflow: hidden;
    background: var(--txd-bg);
    transition: box-shadow .25s, transform .25s;
}
.txd-post-card-featured:hover { box-shadow: 0 10px 32px rgba(0,0,0,.12); transform: translateY(-3px); }
.txd-post-card-featured .thumb { aspect-ratio: 16/7; overflow: hidden; position: relative; }
.txd-post-card-featured .thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.txd-post-card-featured:hover .thumb img { transform: scale(1.04); }
.txd-post-card-featured .body { padding: 1.5rem; }
.txd-post-card-featured .cat { font-size: .72rem; font-weight: 800; text-transform: uppercase; letter-spacing: .08em; color: var(--e-global-color-accent, var(--txd-accent)); margin-bottom: .5rem; display: block; }
.txd-post-card-featured .body h2 { font-size: 1.375rem; font-weight: 800; line-height: 1.3; margin-bottom: .75rem; }
.txd-post-card-featured .body h2 a { color: var(--txd-primary); }
.txd-post-card-featured .body h2 a:hover { color: var(--e-global-color-accent, var(--txd-accent)); }
.txd-post-card-featured .excerpt { font-size: .9rem; color: var(--txd-text-light); line-height: 1.7; display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 2; overflow: hidden; }
.txd-post-card-featured .meta { display: flex; gap: 1rem; align-items: center; margin-top: 1rem; font-size: .78rem; color: var(--txd-text-light); }
.txd-post-card-featured .meta .author img { width: 22px; height: 22px; border-radius: 50%; object-fit: cover; }

/* Regular Post Card (horizontal) */
.txd-post-card-h {
    display: grid;
    grid-template-columns: 180px 1fr;
    gap: 1.25rem;
    border: 1px solid var(--txd-border);
    border-radius: var(--txd-radius);
    overflow: hidden;
    background: var(--txd-bg);
    transition: box-shadow .2s;
    align-items: center;
}
.txd-post-card-h:hover { box-shadow: 0 6px 20px rgba(0,0,0,.1); }
.txd-post-card-h .thumb { height: 120px; overflow: hidden; }
.txd-post-card-h .thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.txd-post-card-h:hover .thumb img { transform: scale(1.06); }
.txd-post-card-h .body { padding: 1rem 1rem 1rem 0; }
.txd-post-card-h .cat { font-size: .7rem; font-weight: 800; text-transform: uppercase; letter-spacing: .07em; color: var(--e-global-color-accent, var(--txd-accent)); margin-bottom: .3rem; display: block; }
.txd-post-card-h .body h2 { font-size: 1rem; font-weight: 700; line-height: 1.4; display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 2; overflow: hidden; }
.txd-post-card-h .body h2 a { color: var(--txd-primary); }
.txd-post-card-h .body h2 a:hover { color: var(--e-global-color-accent, var(--txd-accent)); opacity: 1; }
.txd-post-card-h .excerpt { font-size: .825rem; color: var(--txd-text-light); line-height: 1.6; display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 1; overflow: hidden; margin-top: .4rem; }
.txd-post-card-h .meta { font-size: .75rem; color: var(--txd-text-light); margin-top: .5rem; display: flex; gap: .75rem; }

@media (max-width: 600px) {
    .txd-post-card-h { grid-template-columns: 1fr; }
    .txd-post-card-h .thumb { height: 180px; }
    .txd-post-card-h .body { padding: .75rem; }
}

/* Pagination */
.txd-pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: .4rem;
    margin-top: 2.5rem;
    flex-wrap: wrap;
}
.txd-pagination a, .txd-pagination span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 38px;
    height: 38px;
    padding: 0 .5rem;
    border: 1px solid var(--txd-border);
    border-radius: var(--txd-radius);
    font-size: .875rem;
    font-weight: 600;
    color: var(--txd-text);
    transition: all .2s;
}
.txd-pagination a:hover { background: var(--e-global-color-accent, var(--txd-accent)); border-color: transparent; color: #fff; opacity: 1; }
.txd-pagination span.current { background: var(--e-global-color-accent, var(--txd-accent)); border-color: transparent; color: #fff; }

/* ============================================
   PAGE TEMPLATE
============================================ */
.txd-page-layout {
    max-width: 900px;
    margin: 0 auto;
    padding: 3rem 1.25rem;
}
.txd-page-title { font-size: clamp(1.75rem, 4vw, 2.75rem); font-weight: 900; margin-bottom: 2rem; }
.txd-page-content { font-size: 1rem; line-height: 1.85; }
.txd-page-content h2 { font-size: 1.5rem; margin: 2rem 0 .75rem; }
.txd-page-content p { margin-bottom: 1.25rem; }

/* ============================================
   ELEMENTOR OVERRIDES
============================================ */
/* Đảm bảo Elementor full width hoạt động đúng */
.elementor-section-stretched { position: relative; }

/* Khoảng cách cho Elementor sections */
.elementor-top-section { position: relative; }

/* Custom CSS cho Elementor */
.elementor-widget-wrap { position: relative; }

/* ============================================
   UTILITIES
============================================ */
.txd-sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; }
.txd-text-center { text-align: center; }
.txd-mt-0 { margin-top: 0; }
.txd-no-sidebar .txd-single-layout,
.txd-no-sidebar .txd-archive-layout { grid-template-columns: 1fr; max-width: var(--txd-content-width); }

/* ============================================
   RESPONSIVE
============================================ */
@media (max-width: 768px) {
    .txd-post-title { font-size: 1.5rem; }
    .txd-share { gap: .5rem; }
    .txd-share-btn { padding: .4rem .75rem; font-size: .75rem; }
    .txd-post-nav { grid-template-columns: 1fr; }
    .txd-author-box { flex-direction: column; }
    .txd-related-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px) {
    .txd-related-grid { grid-template-columns: 1fr; }
    .txd-single-layout, .txd-archive-layout { padding: 1rem .75rem 2rem; }
}