/* =========================================================
   สไตล์กลางของเว็บไซต์ คณะวิทยาศาสตร์และเทคโนโลยี มรภ.สงขลา
   ใช้ทุกหน้า: สี ตัวอักษร เมนู ส่วนท้าย และหน้าย่อย
   สีหลัก: เหลือง (สีประจำองค์กร) + กรมท่า (จากโลโก้)
   ========================================================= */
:root {
  --brand: #FFD12F;
  --brand-strong: #F5B800;
  --brand-soft: #FFF6D6;
  --navy: #24225F;
  --navy-deep: #17163F;
  --ink: #1D1B2E;
  --muted: #5E5B70;
  --line: #ECE8DD;
  --surface: #FFFFFF;
  --tint: #FBF8F1;
  --radius: 18px;
  --radius-sm: 12px;
  --shadow: 0 1px 2px rgba(23, 22, 63, .06), 0 8px 24px rgba(23, 22, 63, .06);
  --shadow-lg: 0 2px 4px rgba(23, 22, 63, .06), 0 18px 40px rgba(23, 22, 63, .12);
  --font-body: 'IBM Plex Sans Thai', system-ui, sans-serif;
  --font-head: 'Mitr', 'IBM Plex Sans Thai', sans-serif;
}

html { scroll-behavior: smooth; scroll-padding-top: 90px; }
body {
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--surface);
  font-size: 1rem;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4, h5, h6 { font-family: var(--font-head); font-weight: 500; color: var(--ink); }
a { color: var(--navy); text-decoration: none; }
a:hover { color: var(--navy-deep); }
:focus-visible { outline: 3px solid var(--brand-strong); outline-offset: 2px; border-radius: 6px; }
img { max-width: 100%; }

.skip-link {
  position: absolute; left: 12px; top: -48px; z-index: 2000;
  background: var(--navy); color: #fff; padding: 8px 16px; border-radius: 8px;
}
.skip-link:focus { top: 12px; color: #fff; }

/* ---------- Top bar ---------- */
.topbar { background: var(--navy-deep); color: rgba(255,255,255,.78); font-size: .85rem; }
.topbar .container-xxl { min-height: 38px; }
.topbar-info { display: flex; gap: 24px; }
.topbar-info i { color: var(--brand); margin-right: 6px; }
.topbar-links { display: flex; align-items: center; gap: 16px; }
.topbar-links a { color: rgba(255,255,255,.78); }
.topbar-links a:hover { color: var(--brand); }

/* ---------- Navbar ---------- */
.site-nav {
  position: sticky; top: 0; z-index: 1030;
  background: rgba(255,255,255,.92);
  backdrop-filter: saturate(160%) blur(12px);
  -webkit-backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid transparent;
  padding: 10px 0;
  transition: box-shadow .25s, border-color .25s, padding .25s;
}
.site-nav.scrolled { box-shadow: 0 6px 24px rgba(23,22,63,.08); border-color: var(--line); padding: 4px 0; }
.site-nav .navbar-brand img { height: 56px; width: auto; transition: height .25s; }
.site-nav.scrolled .navbar-brand img { height: 46px; }
.site-nav .navbar-toggler { border: 0; font-size: 1.4rem; color: var(--navy); padding: 6px 10px; }
.site-nav .navbar-toggler:focus { box-shadow: none; }
.site-nav .nav-link {
  font-family: var(--font-head); font-weight: 400; color: var(--ink);
  padding: 10px 14px !important; border-radius: 999px; position: relative;
}
.site-nav .nav-link:hover,
.site-nav .nav-link.show { color: var(--navy); background: var(--brand-soft); }
.site-nav .nav-link.active { color: var(--navy); }
.site-nav .nav-link .fa-house { color: var(--brand-strong); }
.site-nav .dropdown-toggle::after { border: 0; content: "\f107"; font-family: "Font Awesome 6 Free"; font-weight: 900; vertical-align: 0; margin-left: 6px; font-size: .75em; transition: transform .2s; }
.site-nav .dropdown-toggle.show::after { transform: rotate(180deg); }

/* Mega menu */
.site-nav .mega { position: static; }
.site-nav .mega-panel {
  width: 100%; left: 0; right: 0; margin-top: 8px !important;
  border: 0; border-top: 3px solid var(--brand); border-radius: 0 0 var(--radius) var(--radius);
  box-shadow: var(--shadow-lg); padding: 28px 0;
  max-height: calc(100vh - 120px); overflow-y: auto;
}
.mega-grid { display: grid; gap: 8px 32px; }
.mega-cols-3 { grid-template-columns: repeat(3, 1fr); }
.mega-cols-4 { display: block; columns: 4; column-gap: 32px; }
.mega-cols-4 .mega-group { break-inside: avoid; margin-bottom: 18px; }
.mega-group h6 {
  font-size: .95rem; color: var(--navy); margin-bottom: 8px; padding-bottom: 8px;
  border-bottom: 1px solid var(--line);
}
.mega-group h6 i { color: var(--brand-strong); margin-right: 6px; }
.mega-group ul { list-style: none; padding: 0; margin: 0; }
.mega-group li a {
  display: block; color: var(--muted); font-size: .92rem; padding: 5px 10px; margin: 0 -10px;
  border-radius: 8px; transition: background .15s, color .15s;
}
.mega-group li a:hover { background: var(--brand-soft); color: var(--navy); }
.mega-group .ext { font-size: .65em; opacity: .5; margin-left: 4px; }

@media (max-width: 991.98px) {
  .site-nav .navbar-collapse { max-height: calc(100vh - 80px); overflow-y: auto; padding-bottom: 12px; }
  .site-nav .nav-link { border-radius: 10px; }
  .site-nav .mega-panel { box-shadow: none; border-top: 0; padding: 4px 0 12px; margin-top: 0 !important; background: var(--tint); border-radius: var(--radius-sm); }
  .mega-cols-3, .mega-cols-4 { display: block; columns: 1; }
  .mega-group { margin-bottom: 14px; }
}

/* ---------- Footer ---------- */
.site-footer { background: var(--navy-deep); color: rgba(255,255,255,.75); padding-top: 64px; font-size: .95rem; }
.site-footer a { color: rgba(255,255,255,.8); }
.site-footer a:hover { color: var(--brand); }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 48px; padding-bottom: 48px; }
@media (max-width: 991.98px) { .footer-grid { grid-template-columns: 1fr 1fr; } .footer-about { grid-column: 1 / -1; } }
@media (max-width: 575.98px) { .footer-grid { grid-template-columns: 1fr; gap: 32px; } }
.footer-logo { height: 48px; width: auto; margin-bottom: 18px; }
.site-footer h3 { color: #fff; font-size: 1.15rem; line-height: 1.5; margin-bottom: 18px; }
.site-footer h4 { color: var(--brand); font-size: 1rem; margin-bottom: 14px; }
.contact-list, .footer-links ul { list-style: none; padding: 0; margin: 0; }
.contact-list li { display: flex; gap: 12px; margin-bottom: 10px; }
.contact-list i { color: var(--brand); width: 18px; margin-top: 6px; flex: none; text-align: center; }
.footer-links li { margin-bottom: 8px; }
.footer-links li a::before { content: "›"; margin-right: 8px; color: var(--brand); }
.social { display: flex; gap: 10px; }
.social a {
  width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center;
  background: rgba(255,255,255,.08); font-size: 1.1rem; transition: background .2s, color .2s, transform .2s;
}
.social a:hover { background: var(--brand); color: var(--navy-deep); transform: translateY(-2px); }
.visit-list { margin: 0; background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.08); border-radius: var(--radius-sm); padding: 6px 16px; }
.visit-list div { display: flex; justify-content: space-between; padding: 8px 0; }
.visit-list div + div { border-top: 1px solid rgba(255,255,255,.08); }
.visit-list dt { font-weight: 400; }
.visit-list dd { margin: 0; color: #fff; font-weight: 500; font-variant-numeric: tabular-nums; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.08); padding: 18px 0; font-size: .85rem; }
.footer-admin { display: flex; gap: 8px; flex-wrap: wrap; }
.footer-admin a {
  padding: 4px 12px; border-radius: 999px; border: 1px solid rgba(255,209,47,.4); color: var(--brand); font-size: .8rem;
}
.footer-admin a:hover { background: var(--brand); color: var(--navy-deep); }

/* ---------- Back to top ---------- */
.to-top {
  position: fixed; right: 24px; bottom: 24px; z-index: 1040;
  width: 48px; height: 48px; border-radius: 14px; border: 0;
  background: var(--brand); color: var(--navy-deep); box-shadow: var(--shadow-lg);
  opacity: 0; visibility: hidden; transform: translateY(12px); transition: all .25s;
}
.to-top.show { opacity: 1; visibility: visible; transform: none; }
.to-top:hover { background: var(--brand-strong); }


/* ---------- เก็บของเก่าจาก template.php ---------- */
#back-to-top { display: none !important; }          /* ปุ่มเดิม (ใช้ .to-top แทน) */
body { font-family: var(--font-body) !important; }
h1, h2, h3, h4, h5, h6 { font-family: var(--font-head) !important; }

/* =========================================================
   หน้าย่อย (body.subpage) — ปรับโฉมโดยไม่ต้องแก้เนื้อหาเดิม
   ========================================================= */
body.subpage { background: var(--tint); min-height: 100vh; }
body.subpage > main {
  width: 100%; max-width: 1400px; margin: 0 auto; padding: 28px 24px 8px !important;
  flex: 1 0 auto;
}
@media (max-width: 575.98px) { body.subpage > main { padding: 16px 12px 0 !important; } }

/* แถบชื่อหมวด (กล่องเทาด้านบน) */
body.subpage > main > .bg-light:first-child,
body.subpage > main > .row.bg-light:first-child {
  margin: 0 0 14px !important; padding: 26px 28px !important; border: 0 !important;
  border-radius: var(--radius) !important; box-shadow: var(--shadow) !important;
  background: linear-gradient(120deg, var(--navy-deep), var(--navy) 60%, #34318a) !important;
  position: relative; overflow: hidden;
}
body.subpage > main > .bg-light:first-child::after,
body.subpage > main > .row.bg-light:first-child::after {
  content: ""; position: absolute; right: -60px; top: -90px; width: 260px; height: 260px; border-radius: 50%;
  background: radial-gradient(circle, rgba(255,209,47,.25), transparent 70%); pointer-events: none;
}
body.subpage > main > .bg-light:first-child h2,
body.subpage > main > .row.bg-light:first-child h2 {
  color: #fff !important; font-weight: 500 !important; font-size: clamp(1.35rem, 1.1rem + 1vw, 1.9rem);
}
body.subpage > main > .bg-light:first-child h2 i,
body.subpage > main > .row.bg-light:first-child h2 i { color: var(--brand) !important; }

/* เส้นทางนำทาง (breadcrumb) */
body.subpage nav[aria-label="breadcrumb"].bg-warning,
body.subpage .breadcrumb-box.bg-warning {
  background: transparent !important; box-shadow: none !important; padding: 2px 4px !important;
  font-weight: 400 !important; font-size: .92rem;
}
body.subpage .breadcrumb-item + .breadcrumb-item::before { content: "›"; color: var(--muted); }
body.subpage nav[aria-label="breadcrumb"] a,
body.subpage .breadcrumb-box a { color: var(--navy) !important; }
body.subpage nav[aria-label="breadcrumb"] a:hover,
body.subpage .breadcrumb-box a:hover { text-decoration: underline !important; text-decoration-color: var(--brand) !important; }
body.subpage .breadcrumb-item.active,
body.subpage .breadcrumb-box .text-black-50 { color: var(--muted) !important; }
body.subpage .breadcrumb-box .fa-arrow-right { font-size: .7em; }
body.subpage > main > .row.mb-4:nth-child(2) { margin-bottom: 18px !important; }

/* เมนูด้านข้าง */
body.subpage .list-group:has(.list-group-item-warning) {
  border-radius: var(--radius) !important; box-shadow: var(--shadow) !important;
  background: var(--surface); padding: 8px; border: 1px solid var(--line); top: 96px !important;
}
body.subpage .list-group-item-warning {
  background: transparent !important; color: var(--ink) !important; border: 0 !important;
  border-radius: 10px !important; padding: 9px 12px; margin: 1px 0; font-size: .93rem; line-height: 1.5;
  display: flex; align-items: flex-start; gap: 8px; transition: background .15s, color .15s;
}
body.subpage .list-group-item-warning i { color: var(--brand-strong) !important; margin: 4px 0 0 !important; font-size: .85em; }
body.subpage .list-group-item-warning:hover { background: var(--brand-soft) !important; color: var(--navy) !important; }
body.subpage .list-group-item-warning.active {
  background: var(--navy) !important; color: #fff !important; font-weight: 500 !important;
}
body.subpage .list-group-item-warning.active i { color: var(--brand) !important; }

@media (min-width: 1200px) {
  body.subpage main .row > .col-xl-2:has(.list-group-item-warning) { flex: 0 0 290px; width: 290px; }
  body.subpage main .row > .col-xl-10 { flex: 1 1 0; width: auto; min-width: 0; }
}

/* กล่องเนื้อหาหลัก */
body.subpage main .col-lg-9.bg-white,
body.subpage main section.bg-white {
  border-radius: var(--radius) !important; border: 1px solid var(--line) !important;
  box-shadow: var(--shadow) !important; padding: clamp(18px, 2.5vw, 34px) !important;
}
@media (max-width: 991.98px) {
  body.subpage main .col-lg-9.bg-white, body.subpage main section.bg-white { margin-left: calc(var(--bs-gutter-x) * .5); margin-right: calc(var(--bs-gutter-x) * .5); width: auto; }
  body.subpage .list-group:has(.list-group-item-warning) { position: static !important; }
}
/* หัวข้อสีเหลืองเข้มเดิม (อ่านยากบนพื้นขาว) → กรมท่า */
body.subpage main [style*="#cca300"] { color: var(--navy) !important; }
body.subpage .history-timeline h6 { color: var(--navy) !important; border-left-color: var(--brand) !important; }
body.subpage main .text-warning { color: var(--brand-strong) !important; }
body.subpage main a:not(.btn):not(.list-group-item) { color: #2B3A9E; }
body.subpage main a:not(.btn):not(.list-group-item):hover { color: var(--navy-deep); }
body.subpage main .table { --bs-table-border-color: var(--line); }
body.subpage main .table-warning { --bs-table-bg: var(--brand-soft); --bs-table-color: var(--navy); }
body.subpage main .btn-outline-warning { color: var(--navy); border-color: var(--brand-strong); border-radius: 999px; }
body.subpage main .btn-outline-warning:hover { background: var(--brand); color: var(--navy-deep); }
body.subpage main .accordion-item { border-radius: var(--radius-sm) !important; overflow: hidden; border: 1px solid var(--line) !important; }
body.subpage main .accordion-button:not(.collapsed) { background: var(--brand-soft); color: var(--navy) !important; box-shadow: none; }
body.subpage main .accordion-button:focus { box-shadow: 0 0 0 3px rgba(255,209,47,.4); }
body.subpage main img.img-thumbnail { border-radius: var(--radius-sm); border-color: var(--line); }
body.subpage .site-footer { margin-top: 48px; }

/* =========================================================
   หน้าแบบใหม่ (body.page) — ใช้กับหน้าข่าว และหน้าที่จะปรับต่อไป
   ========================================================= */
body.page { background: var(--tint); }
.page-hero {
  background: linear-gradient(120deg, var(--navy-deep), var(--navy) 60%, #34318a);
  color: #fff; padding: 22px 0 34px; position: relative; overflow: hidden;
}
.page-hero::after {
  content: ""; position: absolute; right: -80px; top: -120px; width: 380px; height: 380px; border-radius: 50%;
  background: radial-gradient(circle, rgba(255,209,47,.22), transparent 70%); pointer-events: none;
}
.page-hero .container-xxl { position: relative; z-index: 1; }
.crumbs { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 8px; font-size: .88rem; margin-bottom: 18px; color: rgba(255,255,255,.65); }
.crumbs a { color: rgba(255,255,255,.85); }
.crumbs a:hover { color: var(--brand); }
.crumbs .sep { font-size: .6rem; opacity: .6; }
.page-eyebrow { display: inline-block; color: var(--brand); font-size: .9rem; font-weight: 500; margin-bottom: 4px; }
.page-hero h1 { color: #fff; font-size: clamp(1.45rem, 1.1rem + 1.5vw, 2.3rem); line-height: 1.35; margin: 0; max-width: 900px; }

.page-body { padding: 28px 0 0; }
.page-grid { display: grid; grid-template-columns: 290px minmax(0, 1fr); gap: 24px; align-items: start; }
@media (max-width: 991.98px) { .page-grid { grid-template-columns: 1fr; } .page-grid > aside { order: 2; } }

.side-nav {
  position: sticky; top: 96px; background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); box-shadow: var(--shadow); padding: 10px;
}
.side-nav-title { font-size: .78rem; font-family: var(--font-body) !important; font-weight: 600; letter-spacing: .06em; color: var(--muted); margin: 10px 10px 6px; }
.side-nav a { display: block; padding: 8px 12px; border-radius: 10px; color: var(--ink); font-size: .93rem; line-height: 1.45; transition: background .15s, color .15s; }
.side-nav a:hover { background: var(--brand-soft); color: var(--navy); }
.side-nav a.active { background: var(--navy); color: #fff; font-weight: 500; }
@media (max-width: 991.98px) { .side-nav { position: static; } }

.content-card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: clamp(18px, 2.5vw, 32px);
}
.content-card + .content-card { margin-top: 20px; }

.list-toolbar { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 8px; }
.list-count { margin: 0; color: var(--muted); }
.list-count b { color: var(--ink); }
.search-box { position: relative; flex: 0 1 320px; }
.search-box > i { position: absolute; left: 14px; top: 50%; transform: translateY(-50%); color: var(--muted); font-size: .9rem; }
.search-box input {
  width: 100%; border: 1px solid var(--line); border-radius: 999px; padding: 9px 38px 9px 38px;
  background: var(--tint); font: inherit; color: var(--ink); transition: border-color .2s, background .2s;
}
.search-box input:focus { outline: none; border-color: var(--brand-strong); background: #fff; box-shadow: 0 0 0 3px rgba(255,209,47,.3); }
.search-clear { position: absolute; right: 12px; top: 50%; transform: translateY(-50%); color: var(--muted); }
@media (max-width: 575.98px) { .search-box { flex-basis: 100%; } }

.item-list { list-style: none; padding: 0; margin: 0; }
.item-list li + li { border-top: 1px solid var(--line); }
.item-list a { display: flex; align-items: center; gap: 16px; padding: 14px 6px; color: var(--ink); border-radius: 12px; transition: background .15s; }
.item-list a:hover { background: var(--tint); }
.item-main { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 4px; }
.item-title { line-height: 1.55; font-weight: 500; }
.item-list a:hover .item-title { color: var(--navy); }
.item-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 14px; font-size: .82rem; color: var(--muted); }
.item-meta:empty { display: none; }
.item-go { color: var(--muted); font-size: .8rem; flex: none; transition: transform .2s; }
.item-list a:hover .item-go { transform: translateX(3px); color: var(--navy); }
.item-list.compact a { padding: 10px 4px; gap: 12px; }
.item-list.compact .item-title { font-weight: 400; font-size: .95rem; }

.date-chip {
  flex: none; width: 58px; height: 58px; border-radius: 14px; background: var(--brand-soft);
  display: flex; flex-direction: column; align-items: center; justify-content: center; line-height: 1.1; color: #8A5E00;
}
.date-chip b { font-family: var(--font-head); font-size: 1.35rem; font-weight: 500; color: var(--navy); }
.date-chip span { font-size: .72rem; }
.date-chip.empty { color: var(--muted); background: #F1EEE6; font-size: 1.1rem; }
.item-list.compact .date-chip { width: 48px; height: 48px; border-radius: 12px; }
.item-list.compact .date-chip b { font-size: 1.1rem; }

.badge-new { display: inline-block; background: #E5484D; color: #fff; font-size: .7rem; font-weight: 600; padding: 1px 9px; border-radius: 999px; line-height: 1.6; }
.empty-state { text-align: center; padding: 48px 12px; color: var(--muted); }
.empty-state > i { font-size: 2.4rem; color: #D9C58A; margin-bottom: 10px; display: block; }

.pager { display: flex; flex-wrap: wrap; justify-content: center; gap: 6px; margin-top: 24px; padding-top: 20px; border-top: 1px solid var(--line); }
.pager a, .pager span { min-width: 38px; height: 38px; padding: 0 10px; border-radius: 10px; display: grid; place-items: center; font-size: .92rem; }
.pager a { color: var(--ink); border: 1px solid var(--line); background: #fff; }
.pager a:hover { border-color: var(--brand-strong); background: var(--brand-soft); color: var(--navy); }
.pager .cur { background: var(--navy); color: #fff; font-weight: 500; }
.pager .off { color: #C9C4B8; border: 1px solid var(--line); }
.pager .gap { color: var(--muted); }

.article-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 18px; color: var(--muted); font-size: .9rem; padding-bottom: 18px; margin-bottom: 22px; border-bottom: 1px solid var(--line); }
.pill { display: inline-block; background: var(--brand-soft); color: #7A5300; font-weight: 500; padding: 3px 12px; border-radius: 999px; font-size: .82rem; }
.article-body { font-size: 1.05rem; line-height: 1.95; color: #2A2838; overflow-wrap: anywhere; }
.article-body a { color: #2B3A9E; text-decoration: underline; text-decoration-color: var(--brand); text-underline-offset: 3px; }
.attachments { margin-top: 28px; display: grid; gap: 10px; }
.attachments h2 { font-size: 1rem; margin: 0 0 4px; }
.attach {
  display: flex; align-items: center; gap: 14px; padding: 14px 16px; border: 1px solid var(--line); border-radius: var(--radius-sm);
  color: var(--ink); background: var(--tint); transition: border-color .2s, background .2s;
}
.attach:hover { border-color: var(--brand-strong); background: var(--brand-soft); color: var(--navy); }
.attach > i:first-child { font-size: 1.5rem; color: #C2410C; width: 28px; text-align: center; }
.attach span { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.attach small { color: var(--muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.attach .go { color: var(--muted); }
.article-foot { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px; margin-top: 30px; padding-top: 20px; border-top: 1px solid var(--line); }
.btn-back, .btn-share {
  display: inline-flex; align-items: center; gap: 8px; padding: 9px 18px; border-radius: 999px; font: inherit; font-weight: 500;
  border: 1px solid var(--line); background: #fff; color: var(--navy); cursor: pointer; transition: background .2s, border-color .2s;
}
.btn-back:hover, .btn-share:hover { background: var(--brand-soft); border-color: var(--brand-strong); color: var(--navy-deep); }
.related h2 { font-size: 1.1rem; margin: 0 0 8px; }
body.page .site-footer { margin-top: 56px; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}