/*
 * Trang Đào tạo Đại học (archive CPT `nganh`) — module undergraduate-page.
 * PORT từ design programs.html: tokens-and-header.css + page-hero-shared.css + static-ui.css.
 * Toàn bộ scope dưới .hf-uglist để cô lập, KHÔNG đụng global/header/footer theme.
 * Font Mulish nạp toàn site qua mega-menu.css (@font-face).
 */

.hf-uglist {
	--blue: #17479D; --orange: #EE6823; --blue-700: #0f3270; --blue-50: #eef3fb; --blue-100: #dde7f6;
	--orange-50: #fdf0e7; --ink: #14213d; --ink-soft: #4a5a76; --muted: #7a879c; --line: #e4eaf2;
	--bg: #ffffff; --bg-soft: #f5f8fc; --radius: 4px; --radius-lg: 6px; --radius-sm: 3px;
	--shadow-sm: 0 1px 3px rgba(20,33,61,.05); --shadow-md: 0 4px 14px rgba(20,33,61,.07); --shadow-lg: 0 10px 28px rgba(20,33,61,.10);
	--maxw: 1360px; --gut: 32px; --ease: cubic-bezier(.22,.61,.36,1);
	color: var(--ink); font-family: 'Mulish', system-ui, sans-serif; line-height: 1.55;
	-webkit-font-smoothing: antialiased;
}
.hf-uglist * { box-sizing: border-box; }
.hf-uglist h1, .hf-uglist h2, .hf-uglist h3, .hf-uglist h4 { margin: 0; line-height: 1.16; letter-spacing: -.01em; font-weight: 700; }
.hf-uglist p { margin: 0; }
.hf-uglist ul { margin: 0; padding: 0; list-style: none; }
.hf-uglist a { color: inherit; text-decoration: none; }
.hf-uglist img { display: block; max-width: 100%; }

/* ===== primitives ===== */
.hf-uglist .hf-shell { max-width: var(--maxw); margin: 0 auto; padding: 0 var(--gut); width: 100%; }
.hf-uglist .hf-eyebrow { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; color: var(--orange); }
.hf-uglist .hf-eyebrow::before { content: ""; width: 22px; height: 3px; border-radius: 2px; background: var(--orange); }
.hf-uglist .hf-tag { display: inline-flex; align-items: center; gap: 6px; font-size: 12.5px; font-weight: 800; padding: 5px 11px; border-radius: 4px; }
.hf-uglist .hf-tag-blue { background: var(--blue-50); color: var(--blue); }
.hf-uglist .hf-tag-orange { background: var(--orange-50); color: var(--orange); }
.hf-uglist .hf-section { padding: 84px 0; }
.hf-uglist .hf-head { max-width: 640px; margin-bottom: 40px; }
.hf-uglist .hf-head h2 { font-size: clamp(28px, 4vw, 42px); margin: 14px 0 14px; }
.hf-uglist .hf-head p { font-size: 17px; color: var(--ink-soft); }

/* ===== hero (page-hero-shared) ===== */
.hf-uglist .hf-phero { background: var(--blue-700); color: #fff; padding: 46px 0 56px; }
.hf-uglist .hf-phero h1 { font-size: clamp(30px, 4.4vw, 50px); font-weight: 700; margin: 14px 0 14px; }
.hf-uglist .hf-phero p { font-size: 17px; color: #dbe5f5; max-width: 620px; }
.hf-uglist .hf-crumb { display: flex; align-items: center; gap: 8px; font-size: 13.5px; font-weight: 700; color: rgba(255,255,255,.7); margin-bottom: 10px; }
.hf-uglist .hf-crumb svg { opacity: .5; }
.hf-uglist .hf-crumb.light { color: rgba(255,255,255,.78); }

/* ===== tabs ===== */
.hf-uglist .hf-tabs { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 32px; background: #fff; padding: 7px; border: 1px solid var(--line); border-radius: 4px; width: fit-content; }
.hf-uglist .hf-tab { padding: 11px 22px; border-radius: 4px; font-weight: 800; font-size: 14.5px; color: var(--ink-soft); transition: background .15s, color .15s; }
.hf-uglist .hf-tab:hover { color: var(--blue); }
.hf-uglist .hf-tab.on { background: var(--blue); color: #fff; }

/* ===== programs list (page-hero-shared) ===== */
.hf-uglist .hf-prog-wrap { display: grid; grid-template-columns: 270px 1fr; gap: 40px; padding-top: 44px; padding-bottom: 80px; align-items: start; }
.hf-uglist .hf-prog-rail { position: sticky; top: 130px; }
.hf-uglist .hf-prog-search { display: flex; align-items: center; gap: 9px; background: var(--bg-soft); border: 1px solid var(--line); border-radius: 4px; padding: 11px 14px; margin-bottom: 18px; }
.hf-uglist .hf-prog-search svg { color: var(--muted); }
.hf-uglist .hf-prog-search input { border: none; outline: none; background: transparent; font-size: 14.5px; font-weight: 600; width: 100%; font-family: inherit; }
.hf-uglist .hf-rail-lab { font-size: 12px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); margin: 4px 0 10px; }
.hf-uglist .hf-rail-item { display: flex; align-items: center; gap: 10px; width: 100%; text-align: left; padding: 11px 13px; border-radius: 4px; font-weight: 700; font-size: 14.5px; color: var(--ink-soft); transition: background .14s, color .14s; }
.hf-uglist .hf-rail-item span:last-child { margin-left: auto; font-size: 12.5px; background: var(--bg-soft); padding: 2px 9px; border-radius: 4px; color: var(--muted); }
.hf-uglist .hf-rail-item:hover { background: var(--blue-50); color: var(--blue); }
.hf-uglist .hf-rail-ic { display: grid; place-items: center; width: 22px; height: 22px; border-radius: 4px; background: var(--bg-soft); color: var(--blue); flex-shrink: 0; }
.hf-uglist .hf-prog-count { font-size: 15px; color: var(--ink-soft); margin-bottom: 18px; }
.hf-uglist .hf-prog-count strong { color: var(--ink); font-size: 17px; }
.hf-uglist .hf-prog-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.hf-uglist .hf-prog-card { text-align: left; border-radius: var(--radius); overflow: hidden; background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow-sm); transition: transform .2s var(--ease), box-shadow .2s; display: flex; flex-direction: column; }
.hf-uglist .hf-prog-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.hf-uglist .hf-prog-card-thumb { position: relative; aspect-ratio: 16 / 9; overflow: hidden; background: #eef1f6; }
.hf-uglist .hf-prog-card-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.hf-uglist .hf-prog-card-body { padding: 18px 20px 20px; }
.hf-uglist .hf-prog-card-body h3 { font-size: 18px; margin: 10px 0 12px; }
.hf-uglist .hf-prog-meta { display: flex; gap: 16px; font-size: 12.5px; color: var(--muted); font-weight: 700; margin-bottom: 14px; }
.hf-uglist .hf-prog-meta span { display: inline-flex; align-items: center; gap: 5px; }
.hf-uglist .hf-prog-link { display: inline-flex; align-items: center; gap: 6px; font-weight: 800; font-size: 13.5px; color: var(--orange); transition: gap .16s; }
.hf-uglist .hf-prog-card:hover .hf-prog-link { gap: 11px; }
.hf-uglist .hf-prog-card-note { font-size: 13.5px; color: var(--ink-soft); margin-top: 10px; margin-bottom: 14px; }
.hf-uglist .hf-empty { padding: 60px; text-align: center; color: var(--muted); font-weight: 600; background: var(--bg-soft); border-radius: var(--radius); }

/* placeholder (ngành thiếu ảnh nguồn — design & impl đều ra placeholder) */
.hf-uglist .hf-prog-card-thumb.hf-ph, .hf-uglist .hf-prog-card-thumb .hf-ph { display: grid; place-items: center; width: 100%; height: 100%; background: linear-gradient(135deg, var(--blue-50), var(--blue-100)); color: var(--blue); }
.hf-uglist .hf-ph span { font-weight: 800; font-size: 13px; text-align: center; padding: 10px; opacity: .75; }

/* ===== interactivity (static-ui.css) ===== */
.hf-uglist .hf-tab-radio, .hf-uglist .hf-facfilter { position: absolute; width: 1px; height: 1px; opacity: 0; margin: 0; padding: 0; border: 0; pointer-events: none; clip: rect(0 0 0 0); overflow: hidden; }
.hf-uglist [data-hf-tabpanel] { display: none; }
.hf-uglist .hf-tab-radio[data-hf-tabgroup="g0"][data-hf-tab="0"]:checked ~ [data-hf-tabgroup="g0"][data-hf-tabpanel="0"],
.hf-uglist .hf-tab-radio[data-hf-tabgroup="g0"][data-hf-tab="1"]:checked ~ [data-hf-tabgroup="g0"][data-hf-tabpanel="1"] { display: block; }
.hf-uglist .hf-tab-radio[data-hf-tabgroup="g0"][data-hf-tab="0"]:checked ~ * .hf-tab[data-hf-tabgroup="g0"][data-hf-tab="0"],
.hf-uglist .hf-tab-radio[data-hf-tabgroup="g0"][data-hf-tab="1"]:checked ~ * .hf-tab[data-hf-tabgroup="g0"][data-hf-tab="1"] { background: var(--blue); color: #fff; }

/* lọc nhóm (CSS radio) */
.hf-uglist .hf-facfilter[data-hf-fac="ngon-ngu"]:checked ~ .hf-prog-main .hf-prog-card:not([data-hf-faculty="ngon-ngu"]),
.hf-uglist .hf-facfilter[data-hf-fac="cntt"]:checked ~ .hf-prog-main .hf-prog-card:not([data-hf-faculty="cntt"]),
.hf-uglist .hf-facfilter[data-hf-fac="kinh-te-luat"]:checked ~ .hf-prog-main .hf-prog-card:not([data-hf-faculty="kinh-te-luat"]),
.hf-uglist .hf-facfilter[data-hf-fac="kinh-doanh"]:checked ~ .hf-prog-main .hf-prog-card:not([data-hf-faculty="kinh-doanh"]),
.hf-uglist .hf-facfilter[data-hf-fac="truyen-thong"]:checked ~ .hf-prog-main .hf-prog-card:not([data-hf-faculty="truyen-thong"]) { display: none; }

/* rail-item active theo filter */
.hf-uglist .hf-facfilter[data-hf-fac="all"]:checked ~ .hf-prog-rail .hf-rail-item[data-hf-facfilter="all"],
.hf-uglist .hf-facfilter[data-hf-fac="ngon-ngu"]:checked ~ .hf-prog-rail .hf-rail-item[data-hf-facfilter="ngon-ngu"],
.hf-uglist .hf-facfilter[data-hf-fac="cntt"]:checked ~ .hf-prog-rail .hf-rail-item[data-hf-facfilter="cntt"],
.hf-uglist .hf-facfilter[data-hf-fac="kinh-te-luat"]:checked ~ .hf-prog-rail .hf-rail-item[data-hf-facfilter="kinh-te-luat"],
.hf-uglist .hf-facfilter[data-hf-fac="kinh-doanh"]:checked ~ .hf-prog-rail .hf-rail-item[data-hf-facfilter="kinh-doanh"],
.hf-uglist .hf-facfilter[data-hf-fac="truyen-thong"]:checked ~ .hf-prog-rail .hf-rail-item[data-hf-facfilter="truyen-thong"] { background: var(--blue); color: #fff; }
.hf-uglist .hf-facfilter[data-hf-fac="all"]:checked ~ .hf-prog-rail .hf-rail-item[data-hf-facfilter="all"] span:last-child,
.hf-uglist .hf-facfilter[data-hf-fac="ngon-ngu"]:checked ~ .hf-prog-rail .hf-rail-item[data-hf-facfilter="ngon-ngu"] span:last-child,
.hf-uglist .hf-facfilter[data-hf-fac="cntt"]:checked ~ .hf-prog-rail .hf-rail-item[data-hf-facfilter="cntt"] span:last-child,
.hf-uglist .hf-facfilter[data-hf-fac="kinh-te-luat"]:checked ~ .hf-prog-rail .hf-rail-item[data-hf-facfilter="kinh-te-luat"] span:last-child,
.hf-uglist .hf-facfilter[data-hf-fac="kinh-doanh"]:checked ~ .hf-prog-rail .hf-rail-item[data-hf-facfilter="kinh-doanh"] span:last-child,
.hf-uglist .hf-facfilter[data-hf-fac="truyen-thong"]:checked ~ .hf-prog-rail .hf-rail-item[data-hf-facfilter="truyen-thong"] span:last-child { background: rgba(255,255,255,.2); color: #fff; }
.hf-uglist .hf-facfilter[data-hf-fac="all"]:checked ~ .hf-prog-rail .hf-rail-item[data-hf-facfilter="all"] .hf-rail-ic,
.hf-uglist .hf-facfilter[data-hf-fac="ngon-ngu"]:checked ~ .hf-prog-rail .hf-rail-item[data-hf-facfilter="ngon-ngu"] .hf-rail-ic,
.hf-uglist .hf-facfilter[data-hf-fac="cntt"]:checked ~ .hf-prog-rail .hf-rail-item[data-hf-facfilter="cntt"] .hf-rail-ic,
.hf-uglist .hf-facfilter[data-hf-fac="kinh-te-luat"]:checked ~ .hf-prog-rail .hf-rail-item[data-hf-facfilter="kinh-te-luat"] .hf-rail-ic,
.hf-uglist .hf-facfilter[data-hf-fac="kinh-doanh"]:checked ~ .hf-prog-rail .hf-rail-item[data-hf-facfilter="kinh-doanh"] .hf-rail-ic,
.hf-uglist .hf-facfilter[data-hf-fac="truyen-thong"]:checked ~ .hf-prog-rail .hf-rail-item[data-hf-facfilter="truyen-thong"] .hf-rail-ic { background: rgba(255,255,255,.18); color: #fff; }

.hf-uglist .hf-prog-card.hf-search-hidden { display: none; }

/* ===== responsive (page-hero-shared) ===== */
@media (max-width: 1080px) {
	.hf-uglist .hf-prog-wrap { grid-template-columns: 1fr; }
	.hf-uglist .hf-prog-rail { position: static; display: flex; flex-wrap: wrap; gap: 8px; }
	.hf-uglist .hf-prog-rail .hf-prog-search { width: 100%; }
	.hf-uglist .hf-rail-lab { width: 100%; }
	.hf-uglist .hf-rail-item { width: auto; }
	.hf-uglist .hf-rail-item span:last-child { margin-left: 6px; }
}
@media (max-width: 720px) {
	.hf-uglist .hf-prog-grid { grid-template-columns: 1fr; }
}
/* ≤600px: --gut co lại 18px (port tokens-and-header.css @media max-width:600px) — khớp bề rộng
   content + chiều cao ảnh 16:9 với design ở mobile (tránh drift dọc dồn khi 1-cột). */
@media (max-width: 600px) {
	.hf-uglist { --gut: 18px; }
	.hf-uglist .hf-section { padding: 56px 0; } /* port home.css @media max-width:600px — khớp VB2 mobile */
}