/* VU Modern theme */
:root {
    --primary: #6b1f7c;
    --primary-dark: #4d1559;
    --accent: #f2a900;
    --text: #1f2430;
    --muted: #6b7280;
    --bg: #ffffff;
    --surface: #f6f5f8;
    --border: #e5e2ea;
    --radius: 10px;
    --container: 1200px;
}
*, *::before, *::after { box-sizing: border-box; }
body { margin: 0; font-family: "Sarabun", system-ui, sans-serif; font-size: 17px; line-height: 1.7; color: var(--text); background: var(--bg); }
img { max-width: 100%; height: auto; }
a { color: var(--primary); }
.container { width: min(100% - 2rem, var(--container)); margin-inline: auto; }
.skip-link { position: absolute; left: -9999px; }
.skip-link:focus { left: 1rem; top: 1rem; background: #fff; padding: .5rem 1rem; z-index: 100; }

.topbar { background: var(--primary-dark); color: #fff; font-size: .9rem; }
.topbar a { color: #fff; }

.site-header { background: var(--primary); color: #fff; position: sticky; top: 0; z-index: 50; }
.site-header__inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 72px; }
.brand { color: #fff; text-decoration: none; font-weight: 700; font-size: 1.25rem; }
.brand img { max-height: 52px; display: block; }
.nav-toggle { display: none; background: transparent; border: 1px solid rgba(255,255,255,.5); color: #fff; padding: .4rem .8rem; border-radius: 6px; }

.cms-menu { list-style: none; margin: 0; padding: 0; }
.main-nav > .cms-menu { display: flex; gap: .25rem; }
.main-nav .cms-menu__item { position: relative; }
.main-nav .cms-menu__item > a, .main-nav .cms-menu__label { display: block; padding: .6rem .9rem; color: #fff; text-decoration: none; border-radius: 6px; }
.main-nav .cms-menu__item > a:hover, .main-nav .is-active > a { background: rgba(255,255,255,.15); }
.main-nav .cms-menu__sub { display: none; position: absolute; top: 100%; left: 0; min-width: 220px; background: #fff; list-style: none; padding: .4rem; margin: 0; border-radius: var(--radius); box-shadow: 0 10px 30px rgba(0,0,0,.12); }
.main-nav .cms-menu__sub a { color: var(--text); padding: .5rem .75rem; }
.main-nav .cms-menu__sub .cms-menu__sub { top: 0; left: 100%; }
.main-nav .has-children:hover > .cms-menu__sub, .main-nav .has-children:focus-within > .cms-menu__sub { display: block; }

.cms-banner { position: relative; overflow: hidden; background: #000; }
.cms-banner__track { display: flex; overflow-x: auto; scroll-snap-type: x mandatory; scroll-behavior: smooth; scrollbar-width: none; }
.cms-banner__track::-webkit-scrollbar { display: none; }
.cms-banner__slide { flex: 0 0 100%; margin: 0; scroll-snap-align: start; position: relative; }
.cms-banner__slide img { width: 100%; aspect-ratio: 21 / 8; object-fit: cover; display: block; }
.cms-banner__caption { position: absolute; left: 0; right: 0; bottom: 0; padding: 1.5rem 2rem; color: #fff; background: linear-gradient(transparent, rgba(0,0,0,.65)); font-size: 1.2rem; }
.cms-banner__nav { position: absolute; top: 50%; translate: 0 -50%; width: 44px; height: 44px; border-radius: 50%; border: 0; background: rgba(255,255,255,.8); font-size: 1.6rem; cursor: pointer; }
.cms-banner__nav--prev { left: 1rem; } .cms-banner__nav--next { right: 1rem; }

.page-body { display: grid; grid-template-columns: 1fr; gap: 2rem; padding-block: 2rem 3rem; }
.layout-default .page-body:has(.sidebar--right) { grid-template-columns: 1fr 300px; }
.layout-sidebar-left .page-body:has(.sidebar--left) { grid-template-columns: 280px 1fr; }
.content { min-width: 0; }

.cms-block { background: var(--surface); border-radius: var(--radius); padding: 1.25rem; margin-bottom: 1.25rem; }
.cms-block__title { margin: 0 0 .75rem; font-size: 1.1rem; color: var(--primary); }
.cms-post-list { list-style: none; margin: 0; padding: 0; }
.cms-post-list li { padding: .5rem 0; border-bottom: 1px solid var(--border); }
.cms-post-list time { display: block; font-size: .85rem; color: var(--muted); }
.cms-embed { position: relative; aspect-ratio: 16 / 9; }
.cms-embed iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }

.section { margin-bottom: 2.5rem; }
.section__title { font-size: 1.5rem; border-left: 5px solid var(--accent); padding-left: .75rem; }
.post-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 1.25rem; }
.post-grid--list { grid-template-columns: 1fr; }
.post-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; display: flex; flex-direction: column; }
.post-grid--list .post-card { flex-direction: row; }
.post-grid--list .post-card__image { flex: 0 0 240px; }
.post-card__image img, .post-card__placeholder { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; display: block; background: var(--surface); }
.post-card__body { padding: 1rem; }
.post-card__category { font-size: .8rem; text-decoration: none; color: var(--accent); font-weight: 600; }
.post-card__title { font-size: 1.05rem; margin: .25rem 0 .5rem; line-height: 1.5; }
.post-card__title a { color: var(--text); text-decoration: none; }
.post-card__title a:hover { color: var(--primary); }
.post-card time { font-size: .85rem; color: var(--muted); }

.article__title { font-size: 2rem; line-height: 1.35; margin: .25rem 0 .75rem; }
.article__meta, .breadcrumb { color: var(--muted); font-size: .9rem; }
.article__image { border-radius: var(--radius); margin: 1rem 0; }
.cms-content table { border-collapse: collapse; width: 100%; display: block; overflow-x: auto; }
.cms-content td, .cms-content th { border: 1px solid var(--border); padding: .5rem; }
.attachments { margin-top: 2rem; padding: 1rem 1.25rem; background: var(--surface); border-radius: var(--radius); }
.notice { background: #fff4d6; border: 1px solid var(--accent); padding: .5rem 1rem; border-radius: 6px; }
.empty { color: var(--muted); }

.site-footer { background: var(--footer-bg, #1f1726); color: #d9d3de; padding-top: 2.5rem; }
.site-footer a { color: #fff; }
.site-footer .cms-block { background: transparent; padding: 0; }
.site-footer .cms-block__title { color: #fff; }
.site-footer__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 2rem; }
.site-footer__bottom { border-top: 1px solid rgba(255,255,255,.1); margin-top: 2rem; padding-block: 1rem; font-size: .9rem; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 1rem; }
.site-footer__bottom .cms-menu { display: flex; gap: 1rem; }

@media (max-width: 900px) {
    .nav-toggle { display: block; }
    .main-nav { display: none; position: absolute; top: 100%; left: 0; right: 0; background: var(--primary); padding: .5rem 1rem 1rem; }
    .main-nav.is-open { display: block; }
    .main-nav > .cms-menu { flex-direction: column; }
    .main-nav .cms-menu__sub { position: static; display: block; box-shadow: none; background: transparent; padding-left: 1rem; }
    .main-nav .cms-menu__sub a { color: #fff; }
    .page-body, .layout-default .page-body:has(.sidebar--right), .layout-sidebar-left .page-body:has(.sidebar--left) { grid-template-columns: 1fr; }
    .post-grid--list .post-card { flex-direction: column; }
    .cms-banner__slide img { aspect-ratio: 4 / 3; }
    .article__title { font-size: 1.6rem; }
}

/* ---------- แบนเนอร์: กว้างเต็มจอ สูง 220–560px (ไม่เกิน 60% ของความสูงจอ) ----------
   ภาพทุกขนาดถูกครอปให้เต็มกรอบ (object-fit: cover) โดยยึดกึ่งกลางภาพ
   จอกว้าง ≥1750px สูง 560px, จอแคบลงลดตามสัดส่วนจนเหลือ 220px และไม่เกิน 60% ของความสูงจอ เพื่อให้เห็นเนื้อหาใต้แบนเนอร์เสมอ */
.cms-banner__slide img {
    height: clamp(220px, 32vw, min(560px, 60vh));
    aspect-ratio: auto;
    object-fit: cover;
    object-position: center;
}
.cms-banner__caption { padding: .55rem 1.25rem; font-size: 1rem; }

/* ---------- แบนเนอร์: แสดงภาพเต็มทั้งภาพ (ไม่ครอป) ----------
   ภาพถูกย่อให้พอดีกรอบ ส่วนที่เหลือเติมด้วยภาพเดียวกันแบบเบลอ */
.cms-banner__slide { overflow: hidden; background: #1f1726; }
.cms-banner__slide::before {
    content: ""; position: absolute; inset: -40px;
    background: var(--bn-bg) center / cover no-repeat;
    filter: blur(28px) brightness(.8) saturate(1.1);
}
.cms-banner__slide picture, .cms-banner__link { position: relative; z-index: 1; display: block; }
.cms-banner__slide img { object-fit: contain; }
.cms-banner__caption { z-index: 2; }
.cms-banner__nav { z-index: 3; }

/* ---------- Phase 5.1: คำโปรย / ข้อมูลติดต่อ ---------- */
.brand__tagline { display: block; font-size: .8rem; font-weight: 400; opacity: .85; line-height: 1.3; }
.cms-contact { font-style: normal; }
.cms-contact p { margin: 0 0 .4rem; }
.cms-social { list-style: none; margin: .75rem 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: .5rem; }
.cms-social a { display: inline-block; padding: .25rem .75rem; border: 1px solid currentColor; border-radius: 99px; font-size: .9rem; text-decoration: none; }
.cms-social a:hover { background: rgba(255,255,255,.12); }

/* ---------- Phase 5.2: ค้นหา / pagination ---------- */
.main-nav { display: flex; align-items: center; gap: .75rem; }
.site-search { display: flex; align-items: center; background: rgba(255,255,255,.14); border-radius: 99px; padding: 0 .25rem 0 .75rem; }
.site-search input { background: transparent; border: 0; color: #fff; font: inherit; font-size: .95rem; width: 9rem; padding: .35rem 0; outline: none; }
.site-search input::placeholder { color: rgba(255,255,255,.75); }
.site-search button { background: transparent; border: 0; color: #fff; font-size: 1.2rem; cursor: pointer; padding: .2rem .5rem; }
.site-search:focus-within { background: rgba(255,255,255,.24); box-shadow: 0 0 0 2px rgba(255,255,255,.35); }

.cms-search { display: flex; gap: .5rem; }
.cms-search input { flex: 1; min-width: 0; font: inherit; padding: .55rem .8rem; border: 1px solid var(--border); border-radius: 8px; }
.cms-search button { font: inherit; padding: .55rem 1.1rem; border: 0; border-radius: 8px; background: var(--primary); color: #fff; cursor: pointer; }
.cms-search--large { max-width: 640px; margin-top: .75rem; }
.cms-search--large input { font-size: 1.1rem; }
.search-summary { color: var(--muted); margin: 1rem 0 1.5rem; }
.search-group { margin-bottom: 2rem; }
.search-item { padding: .9rem 0; border-bottom: 1px solid var(--border); }
.search-item h3 { margin: 0 0 .25rem; font-size: 1.1rem; }
.search-item h3 a { color: var(--primary); text-decoration: none; }
.search-item h3 a:hover { text-decoration: underline; }
.search-item p { margin: .2rem 0; }
.search-item__meta { font-size: .85rem; color: var(--muted); }
mark { background: #fff1c2; color: inherit; padding: 0 .1em; border-radius: 2px; }

.pagination { display: flex; flex-wrap: wrap; gap: .35rem; list-style: none; padding: 0; margin: 1.5rem 0 0; }
.pagination li > a, .pagination li > span { display: block; min-width: 2.4rem; text-align: center; padding: .4rem .7rem; border: 1px solid var(--border); border-radius: 6px; text-decoration: none; color: var(--text); }
.pagination li.active > span { background: var(--primary); border-color: var(--primary); color: #fff; }
.pagination li.disabled > span { color: var(--muted); }

@media (max-width: 900px) {
    .main-nav { flex-direction: column; align-items: stretch; }
    .site-search { margin-top: .5rem; }
    .site-search input { width: 100%; }
}

/* ---------- สีตัวอักษรอัตโนมัติ (รองรับโทนพาสเทล) ----------
   --primary-on / --footer-bg-on = สีตัวอักษรบนพื้นสีนั้น (ขาวหรือเข้ม)
   --primary-ink / --accent-ink  = สีนั้นในเฉดที่อ่านออกบนพื้นขาว  (ระบบคำนวณจากสีที่ตั้งค่า) */
a, .cms-block__title, .post-card__title a:hover, .search-item h3 a { color: var(--primary-ink, var(--primary)); }
.post-card__category { color: var(--accent-ink, var(--accent)); }
.site-header, .brand, .main-nav .cms-menu__item > a, .main-nav .cms-menu__label, .nav-toggle,
.site-search input, .site-search button, .cms-search button, .pagination li.active > span { color: var(--primary-on, #fff); }
.site-search input::placeholder { color: color-mix(in srgb, var(--primary-on, #fff) 70%, transparent); }
.nav-toggle { border-color: color-mix(in srgb, var(--primary-on, #fff) 50%, transparent); }
.main-nav .cms-menu__item > a:hover, .main-nav .is-active > a { background: color-mix(in srgb, var(--primary-on, #fff) 15%, transparent); }
.main-nav .cms-menu__sub a { color: var(--text); }
.topbar, .topbar a { color: var(--primary-dark-on, #fff); }
.site-footer { color: color-mix(in srgb, var(--footer-bg-on, #fff) 82%, transparent); }
.site-footer a, .site-footer .cms-block__title { color: var(--footer-bg-on, #fff); }
@media (max-width: 900px) { .main-nav .cms-menu__sub a { color: var(--primary-on, #fff); } }

/* ---------- มือถือ: hamburger menu + เมนูย่อยแบบพับ ----------
   (แก้บั๊ก: กฎ .main-nav{display:flex} ของช่องค้นหาเคยทับกฎซ่อนเมนูบนมือถือ) */
.nav-toggle { border: 0; color: var(--primary-on, #fff); }
@media (max-width: 900px) {
    .nav-toggle { display: inline-flex; margin-right: -.5rem; }
    .main-nav {
        display: none; position: absolute; top: 100%; left: 0; right: 0;
        flex-direction: column; align-items: stretch; gap: 0;
        padding: .25rem 1rem 1rem; background: var(--primary);
        box-shadow: 0 12px 24px rgba(0,0,0,.18);
        max-height: calc(100vh - 72px); overflow-y: auto; overscroll-behavior: contain;
    }
    .main-nav.is-open { display: flex; }
    .main-nav > .cms-menu { flex-direction: column; gap: 0; }
    .main-nav .cms-menu__item { display: flex; flex-wrap: wrap; align-items: center; border-bottom: 1px solid color-mix(in srgb, var(--primary-on, #fff) 16%, transparent); }
    .main-nav .cms-menu__item > a, .main-nav .cms-menu__label { flex: 1; min-width: 0; padding: .8rem .25rem; border-radius: 0; }
    .main-nav .cms-menu__sub { position: static; display: none; width: 100%; min-width: 0; margin: 0; padding: 0 0 .5rem 1rem; background: transparent; box-shadow: none; border-radius: 0; }
    .main-nav .has-children:hover > .cms-menu__sub, .main-nav .has-children:focus-within > .cms-menu__sub { display: none; }
    .main-nav .has-children.is-open > .cms-menu__sub { display: block; }
    .main-nav .cms-menu__sub .cms-menu__item { border-bottom: 0; }
    .main-nav .cms-menu__sub a { color: var(--primary-on, #fff); padding: .55rem .25rem; }
    .submenu-toggle { display: inline-flex; color: var(--primary-on, #fff); }
    .site-search { margin-top: .75rem; }
    .site-search input { width: 100%; }
}