/* /khoa-hoc-chi-tiet.html — course landing page (owner: learn agent). Scoped under .p-course (boot page "course"). */
.p-course{ --kd-head:68px; }
@media (min-width:768px){ .p-course{ --kd-head:78px; } }

/* ---------- hero ---------- */
.p-course .kd-hero{ padding-bottom:28px; }
.p-course .kd-hero__inner{ display:grid; gap:20px; align-items:start; }
.p-course .kd-hero__text{ display:grid; gap:10px; justify-items:start; min-width:0; }
.p-course .kd-hero .ta-pagehead__title{ font-size:clamp(26px, 1rem + 2vw, 40px); max-width:26ch; }
.p-course .kd-facts{ list-style:none; margin:4px 0 0; padding:0; display:flex; flex-wrap:wrap; gap:8px; }
.p-course .kd-facts li{ display:inline-flex; align-items:center; gap:7px; min-height:32px; padding:5px 12px; border-radius:var(--ta-r-pill); background:rgba(255,255,255,.1); border:1px solid rgba(255,231,163,.32); color:rgba(255,246,225,.96); font-size:13px; font-weight:700; }
.p-course .kd-facts .ta-ico{ width:15px; height:15px; color:#FDE68A; flex:0 0 auto; }
.p-course .kd-hero__rating{ display:inline-flex; align-items:center; gap:8px; font-size:13px; color:#FFE7A3; }
.p-course .kd-hero__rating b{ font-size:16px; color:#fff; }
.p-course .kd-skel-lines{ display:grid; gap:10px; width:min(100%,560px); }
.p-course .kd-skel{ display:block; height:14px; border-radius:8px; background:rgba(255,255,255,.14); animation:kdPulse 1.1s ease-in-out infinite alternate; }
.p-course .kd-skel--w80{ width:80%; } .p-course .kd-skel--w60{ width:60%; } .p-course .kd-skel--chips{ width:90%; height:32px; border-radius:var(--ta-r-pill); }
@keyframes kdPulse{ from{ opacity:.5; } to{ opacity:1; } }

/* preview (phones/tablets in the hero; desktop inside the buy card) */
.p-course .kd-preview{ position:relative; display:block; width:100%; aspect-ratio:16/9; border-radius:18px; overflow:hidden; background:#2A0B0D; border:4px solid #fff; box-shadow:0 18px 36px rgba(0,0,0,.35); isolation:isolate; }
.p-course .kd-preview--skel{ background:rgba(255,255,255,.12); border-color:rgba(255,255,255,.25); box-shadow:none; animation:kdPulse 1.1s ease-in-out infinite alternate; }
.p-course .kd-preview img{ position:absolute; inset:0; width:100%; height:100%; object-fit:cover; object-position:var(--focus, 50% 62%); transition:transform .6s var(--ta-ease-out); }
.p-course .kd-preview:hover img{ transform:scale(1.04); }
.p-course .kd-preview__shade{ position:absolute; inset:0; background:linear-gradient(180deg, rgba(20,4,6,.05) 30%, rgba(20,4,6,.72) 100%); }
.p-course .kd-preview__play{ position:absolute; left:50%; top:46%; width:66px; height:66px; margin:-33px 0 0 -33px; border-radius:50%; display:grid; place-items:center; background:rgba(224,38,45,.95); color:#fff; box-shadow:0 0 0 9px rgba(255,255,255,.25), 0 12px 26px rgba(0,0,0,.4); transition:transform .2s var(--ta-ease); }
.p-course .kd-preview:hover .kd-preview__play{ transform:scale(1.08); }
.p-course .kd-preview__play svg{ width:26px; height:26px; margin-left:4px; }
.p-course .kd-preview__tag{ position:absolute; left:12px; top:12px; }
.p-course .kd-preview__cap{ position:absolute; left:14px; right:14px; bottom:12px; display:flex; align-items:center; justify-content:space-between; gap:10px; color:#fff; font-size:13.5px; text-shadow:0 1px 4px rgba(0,0,0,.5); }
.p-course .kd-preview__cap b{ min-width:0; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; font-weight:800; }
.p-course .kd-preview__cap span{ flex:0 0 auto; padding:2px 8px; border-radius:6px; background:rgba(0,0,0,.6); font-size:12px; font-weight:800; font-variant-numeric:tabular-nums; text-shadow:none; }

/* ---------- layout ---------- */
.p-course .kd-layout{ display:grid; grid-template-columns:minmax(0,1fr); gap:20px; margin-top:20px; align-items:start; }
.p-course .kd-full{ grid-column:1 / -1; margin-top:8px; }
.p-course .kd-main{ min-width:0; display:grid; gap:16px; }
.p-course .kd-buy__media{ display:none; }
@media (min-width:1024px){
  .p-course .kd-hero{ padding-bottom:40px; }
  .p-course .kd-hero__inner{ grid-template-columns:minmax(0,1fr) 360px; gap:40px; min-height:250px; }
  .p-course .kd-hero__inner > .kd-preview{ display:none; }
  .p-course .kd-hero__inner > .kd-preview--skel{ display:block; aspect-ratio:auto; height:220px; align-self:end; }
  .p-course .kd-layout{ grid-template-columns:minmax(0,1fr) 360px; gap:40px; }
  .p-course .kd-aside{ grid-column:2; grid-row:1; position:sticky; top:calc(var(--kd-head) + 14px); margin-top:-246px; z-index:5; }
  .p-course .kd-main{ grid-column:1; grid-row:1; }
  .p-course .kd-buy__media{ display:block; margin:-1px -1px 0; border-width:0; border-radius:var(--ta-r-xl) var(--ta-r-xl) 0 0; box-shadow:none; }
}

/* ---------- buy card ---------- */
.p-course .kd-buy{ background:#fff; border:1px solid #EFE6DC; border-radius:var(--ta-r-xl); box-shadow:0 16px 40px rgba(60,20,10,.14); overflow:hidden; }
.p-course .kd-buy > :not(.kd-buy__media){ margin-inline:18px; }
.p-course .kd-buy--skel{ display:grid; gap:12px; padding:18px; }
.p-course .kd-buy--skel > *{ margin:0; }
.p-course .kd-skel-btn{ height:48px; border-radius:var(--ta-r-lg); }
.p-course .kd-buy__state{ margin-top:18px; }
.p-course .kd-buy__price{ display:flex; flex-wrap:wrap; align-items:center; justify-content:space-between; gap:8px; margin-top:16px; }
.p-course .kd-buy__price .ta-price__now--free{ font-size:28px; font-weight:900; color:#15803D; }
.p-course .kd-buy__pill{ display:inline-flex; align-items:center; gap:6px; padding:4px 10px; border-radius:var(--ta-r-pill); background:var(--ta-green-50); border:1px solid #BBF7D0; color:#15803D; font-size:12px; font-weight:800; }
.p-course .kd-buy__pill .ta-ico{ width:14px; height:14px; }
.p-course .kd-buy__sub{ margin-top:4px; font-size:12.5px; font-weight:600; color:var(--ta-muted); }
.p-course .kd-buy__note{ margin-top:10px; font-size:13px; line-height:1.55; color:var(--ta-text-2); }
.p-course .kd-buy__ctas{ display:grid; gap:10px; margin-top:14px; }
.p-course .kd-buy__contact{ display:grid; grid-template-columns:1fr 1fr; gap:8px; }
.p-course .kd-buy__contact .ta-btn{ padding-inline:8px; font-size:12.5px; }
.p-course .kd-buy__prog{ display:flex; align-items:center; gap:12px; margin-top:12px; padding:12px; border-radius:var(--ta-r-lg); background:var(--ta-cream); border:1px solid #F1E2C4; }
.p-course .kd-buy__prog b{ display:block; font-size:14.5px; }
.p-course .kd-buy__prog span{ font-size:12.5px; color:var(--ta-muted); }
.p-course .kd-incl{ margin-top:16px; padding-top:14px; border-top:1px dashed var(--ta-line-2); }
.p-course .kd-incl__title{ font-size:12px; font-weight:900; letter-spacing:.1em; text-transform:uppercase; color:var(--ta-gold-700); }
.p-course .kd-incl ul{ list-style:none; margin:8px 0 0; padding:0; display:grid; gap:8px; }
.p-course .kd-incl li{ display:flex; align-items:flex-start; gap:9px; font-size:13.5px; color:var(--ta-text-2); }
.p-course .kd-incl .ta-ico{ width:16px; height:16px; margin-top:2px; color:var(--ta-ink); flex:0 0 auto; }
.p-course .kd-buy__foot{ display:grid; gap:12px; margin-top:16px; margin-bottom:18px; padding-top:14px; border-top:1px solid var(--ta-line); }
.p-course .kd-buy__link{ display:inline-flex; align-items:center; gap:8px; padding:0; border:0; background:none; text-align:left; font-size:13px; font-weight:800; color:var(--ta-maroon-500); cursor:pointer; text-decoration:underline; text-decoration-color:rgba(163,21,28,.35); text-underline-offset:3px; }
.p-course .kd-buy__link .ta-ico{ width:16px; height:16px; flex:0 0 auto; }

/* progress ring (real CourseProgress.percent) */
.p-course .kd-prog__ring{ --p:0; flex:0 0 auto; width:56px; height:56px; border-radius:50%; display:grid; place-items:center; background:conic-gradient(var(--ta-green) calc(var(--p) * 1%), #EDE4DA 0); }
.p-course .kd-prog__ring span{ width:44px; height:44px; border-radius:50%; display:grid; place-items:center; background:#fff; font-size:12.5px; font-weight:900; color:#15803D; font-variant-numeric:tabular-nums; }

/* ---------- section nav ---------- */
.p-course .kd-nav{ position:sticky; top:var(--kd-head); z-index:20; background:rgba(255,255,255,.97); border:1px solid #EFEAE4; border-radius:var(--ta-r-lg); box-shadow:0 6px 16px rgba(60,20,10,.06); padding:0 6px; -webkit-backdrop-filter:blur(6px); backdrop-filter:blur(6px); }
.p-course .kd-nav__a{ display:inline-flex; align-items:center; text-decoration:none; }
.p-course .kd-nav__a[aria-current="true"]{ color:var(--ta-maroon-500); }
.p-course .kd-nav__a[aria-current="true"]::after{ content:""; position:absolute; left:12px; right:12px; bottom:-1px; height:3px; border-radius:3px 3px 0 0; background:var(--ta-red); }
.p-course .kd-sec{ scroll-margin-top:calc(var(--kd-head) + 64px); background:#fff; border:1px solid #EFEAE4; border-radius:var(--ta-r-xl); box-shadow:0 8px 22px rgba(60,20,10,.06); padding:18px 16px; }
@media (min-width:768px){ .p-course .kd-sec{ padding:24px 26px; } }
.p-course .kd-h2{ font-family:var(--ta-font-title); font-weight:700; font-size:clamp(20px, 1rem + .6vw, 25px); line-height:1.25; color:var(--ta-maroon-500); }
.p-course .kd-h3{ display:flex; align-items:center; gap:8px; font-size:16px; font-weight:900; color:var(--ta-text); }
.p-course .kd-h3 .ta-ico{ width:18px; height:18px; color:var(--ta-gold-700); }
.p-course .kd-desc{ margin-top:12px; max-width:none; font-size:15px; }
.p-course .kd-desc ul li::marker{ color:var(--ta-red); }

/* outcomes */
.p-course .kd-learn{ margin-top:16px; padding:16px; border-radius:var(--ta-r-lg); background:linear-gradient(180deg, var(--ta-cream) 0%, #fff 100%); border:1px solid #F1E2C4; }
.p-course .kd-learn__list{ list-style:none; margin:12px 0 0; padding:0; display:grid; grid-template-columns:1fr; gap:10px 22px; }
.p-course .kd-learn__list li{ position:relative; padding-left:28px; font-size:14px; line-height:1.5; color:var(--ta-text-2); }
.p-course .kd-learn__list li::before{ content:""; position:absolute; left:0; top:1px; width:20px; height:20px; border-radius:50%; background:var(--ta-green) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23fff' stroke-width='3.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12.5l4.5 4.5L19 7.5'/%3E%3C/svg%3E") center/12px no-repeat; box-shadow:0 2px 6px rgba(22,163,74,.3); }
.p-course .kd-learn__more{ display:inline-flex; align-items:center; gap:6px; margin-top:12px; font-size:13px; font-weight:800; color:var(--ta-maroon-500); }
.p-course .kd-learn__more .ta-ico{ width:14px; height:14px; }
@media (min-width:768px){ .p-course .kd-learn__list{ grid-template-columns:1fr 1fr; } }

/* curriculum */
.p-course .kd-cur__head{ display:flex; flex-wrap:wrap; align-items:flex-end; justify-content:space-between; gap:8px 16px; }
.p-course .kd-cur__sum{ margin-top:4px; font-size:13.5px; color:var(--ta-muted); }
.p-course .kd-cur__sum b{ color:#15803D; }
.p-course .kd-cur__toggle{ border:0; background:none; padding:6px 0; font-size:13px; font-weight:800; color:var(--ta-ink-700); cursor:pointer; text-decoration:underline; text-underline-offset:3px; }
.p-course .kd-cur{ display:grid; gap:10px; margin-top:14px; }
.p-course .kd-mod{ border:1px solid var(--ta-line); border-radius:var(--ta-r-lg); overflow:hidden; background:#fff; }
.p-course .kd-mod > summary{ list-style:none; cursor:pointer; display:grid; grid-template-columns:auto minmax(0,1fr) auto; align-items:center; gap:4px 12px; padding:13px 14px; background:#FBF6EF; }
.p-course .kd-mod > summary::-webkit-details-marker{ display:none; }
.p-course .kd-mod > summary::after{ content:""; grid-column:3; grid-row:1 / span 2; width:18px; height:18px; background:var(--ta-maroon-500); -webkit-mask:var(--ta-ic-chev) center/18px no-repeat; mask:var(--ta-ic-chev) center/18px no-repeat; transition:transform .2s; }
.p-course .kd-mod[open] > summary::after{ transform:rotate(180deg); }
.p-course .kd-mod[open] > summary{ border-bottom:1px solid var(--ta-line); }
.p-course .kd-mod__no{ grid-row:1 / span 2; align-self:center; padding:4px 9px; border-radius:8px; background:var(--ta-maroon-600); color:#fff; font-size:11px; font-weight:900; letter-spacing:.06em; text-transform:uppercase; white-space:nowrap; }
.p-course .kd-mod__title{ font-size:15px; font-weight:800; color:var(--ta-text); }
.p-course .kd-mod__meta{ grid-column:2; font-size:12.5px; color:var(--ta-muted); }
.p-course .kd-lessons{ list-style:none; margin:0; padding:0; }
.p-course .kd-les{ display:grid; grid-template-columns:28px minmax(0,1fr); gap:4px 12px; padding:12px 14px; border-top:1px solid var(--ta-line); }
.p-course .kd-les:first-child{ border-top:0; }
.p-course .kd-les__st{ width:28px; height:28px; border-radius:50%; display:grid; place-items:center; font-size:12px; font-weight:900; color:var(--ta-muted); border:1.5px solid #D9D0C6; background:#fff; }
.p-course .kd-les__st .ta-ico{ width:14px; height:14px; }
.p-course .kd-les.is-done .kd-les__st{ background:var(--ta-green); border-color:var(--ta-green); color:#fff; }
.p-course .kd-les.is-preview:not(.is-done) .kd-les__st{ border-color:var(--ta-buy); color:var(--ta-buy); background:var(--ta-rose-50); }
.p-course .kd-les.is-locked .kd-les__st{ background:#F4F1EE; color:var(--ta-muted-2); border-color:#E5DED6; }
.p-course .kd-les__main{ min-width:0; }
.p-course .kd-les__title{ font-size:14.5px; font-weight:700; color:var(--ta-text); line-height:1.4; }
.p-course a.kd-les__title:hover{ color:var(--ta-maroon-500); text-decoration:underline; text-underline-offset:3px; }
.p-course .kd-les.is-locked .kd-les__title{ color:var(--ta-text-2); }
.p-course .kd-les__no{ color:var(--ta-muted); font-weight:800; }
.p-course .kd-les__sum{ margin-top:2px; font-size:13px; line-height:1.5; color:var(--ta-muted); }
.p-course .kd-les__side{ grid-column:2; display:flex; flex-wrap:wrap; align-items:center; gap:8px; }
.p-course .kd-les__tag{ display:inline-flex; align-items:center; gap:5px; padding:2px 9px; border-radius:var(--ta-r-pill); background:var(--ta-rose-50); border:1px solid var(--ta-rose-200); color:var(--ta-buy); font-size:11.5px; font-weight:900; }
.p-course .kd-les__tag .ta-ico{ width:13px; height:13px; }
.p-course .kd-les__tag--done{ background:var(--ta-green-50); border-color:#BBF7D0; color:#15803D; }
.p-course .kd-les__dur{ font-size:12px; font-weight:700; color:var(--ta-muted); font-variant-numeric:tabular-nums; }
@media (min-width:768px){
  .p-course .kd-les{ grid-template-columns:28px minmax(0,1fr) auto; align-items:center; }
  .p-course .kd-les__side{ grid-column:3; grid-row:1; justify-content:flex-end; }
}
.p-course .kd-prog{ display:flex; flex-wrap:wrap; align-items:center; gap:12px; margin-top:14px; padding:12px 14px; border-radius:var(--ta-r-lg); background:var(--ta-cream); border:1px solid #F1E2C4; }
.p-course .kd-prog__text{ flex:1 1 200px; display:grid; gap:2px; }
.p-course .kd-prog__text b{ font-size:14.5px; }
.p-course .kd-prog__text span{ font-size:12.5px; color:var(--ta-muted); }

/* prepare */
.p-course .kd-prep{ list-style:none; margin:14px 0 0; padding:0; display:grid; grid-template-columns:1fr; gap:10px; }
.p-course .kd-prep li{ display:flex; gap:12px; align-items:flex-start; padding:12px; border-radius:var(--ta-r-lg); border:1px solid var(--ta-line); background:#FFFCF7; }
.p-course .kd-prep__ico{ flex:0 0 auto; width:40px; height:40px; border-radius:12px; display:grid; place-items:center; background:var(--ta-rose-50); color:var(--ta-red); border:1px solid var(--ta-rose-200); }
.p-course .kd-prep__ico .ta-ico{ width:20px; height:20px; }
.p-course .kd-prep b{ display:block; font-size:14px; color:var(--ta-text); }
.p-course .kd-prep span{ font-size:13px; line-height:1.5; color:var(--ta-muted); }
@media (min-width:768px){ .p-course .kd-prep{ grid-template-columns:1fr 1fr; } }

/* teacher */
.p-course .kd-teacher{ display:grid; gap:16px; margin-top:14px; align-items:center; }
.p-course .kd-teacher__ph{ position:relative; margin:0; border-radius:var(--ta-r-xl); overflow:hidden; aspect-ratio:4/3; box-shadow:0 12px 26px rgba(60,20,10,.16); border:4px solid #fff; outline:2px solid var(--ta-gold-500); }
.p-course .kd-teacher__ph img{ width:100%; height:100%; object-fit:cover; }
.p-course .kd-teacher__name{ font-family:var(--ta-font-title); font-weight:700; font-size:20px; color:var(--ta-maroon-500); }
.p-course .kd-teacher__role{ font-size:13px; font-weight:700; color:var(--ta-gold-700); }
.p-course .kd-teacher__text{ margin-top:8px; font-size:14px; line-height:1.65; color:var(--ta-text-2); }
.p-course .kd-teacher__facts{ list-style:none; margin:12px 0 0; padding:0; display:grid; gap:8px; }
.p-course .kd-teacher__facts li{ display:flex; align-items:center; gap:10px; font-size:13.5px; color:var(--ta-text-2); }
.p-course .kd-teacher__facts .ta-ico{ width:18px; height:18px; color:var(--ta-red); flex:0 0 auto; }
.p-course .kd-teacher__more{ display:inline-flex; align-items:center; gap:6px; margin-top:12px; font-size:13px; font-weight:800; color:var(--ta-maroon-500); }
.p-course .kd-teacher__more .ta-ico{ width:14px; height:14px; }
@media (min-width:768px){ .p-course .kd-teacher{ grid-template-columns:minmax(0,280px) minmax(0,1fr); gap:24px; } }
.p-course #hoi-dap .ta-acc{ margin-top:14px; }
.p-course .ta-acc__body a{ color:var(--ta-maroon-500); font-weight:800; }

/* reviews */
.p-course #kd-reviews{ display:grid; gap:14px; margin-top:14px; }
.p-course .kd-rv__sum{ display:flex; align-items:center; gap:14px; padding:14px; border-radius:var(--ta-r-lg); background:var(--ta-cream); }
.p-course .kd-rv__avg{ font-family:var(--ta-font-display); font-size:40px; line-height:1; color:var(--ta-maroon-500); }
.p-course .kd-rv__sum span{ display:block; font-size:12.5px; color:var(--ta-muted); }
.p-course .kd-rv__list{ display:grid; gap:10px; }
.p-course .kd-rv{ padding:14px; border-radius:var(--ta-r-lg); border:1px solid var(--ta-line); }
.p-course .kd-rv__head{ display:flex; align-items:center; gap:10px; }
.p-course .kd-rv__head > div{ flex:1; display:grid; }
.p-course .kd-rv__head b{ font-size:14px; } .p-course .kd-rv__head span{ font-size:12px; color:var(--ta-muted); }
.p-course .kd-rv__av{ width:38px; height:38px; border-radius:50%; display:grid; place-items:center; background:var(--ta-maroon-600); color:#fff; font-weight:900; }
.p-course .kd-rv__text{ margin-top:8px; font-size:14px; line-height:1.6; color:var(--ta-text-2); }
.p-course .kd-rv__reply{ margin-top:8px; padding:10px 12px; border-radius:10px; background:var(--ta-cream); font-size:13px; color:var(--ta-text-2); }
.p-course .kd-rv__mine{ display:flex; flex-wrap:wrap; align-items:center; gap:10px; font-size:13.5px; color:var(--ta-text-2); }
.p-course .kd-rv__mine > span{ display:inline-flex; align-items:center; gap:6px; }
.p-course .kd-rv__hint{ display:flex; align-items:flex-start; gap:8px; font-size:13.5px; line-height:1.5; color:var(--ta-muted); }
.p-course .kd-rv__hint .ta-ico{ flex:none; width:16px; height:16px; margin-top:2px; color:var(--ta-ink); }
.p-course .kd-rv__hint a{ color:var(--ta-maroon-500); font-weight:800; text-decoration:underline; }
.p-course .kd-rvform{ display:grid; gap:12px; padding:16px; border-radius:var(--ta-r-lg); border:1px dashed var(--ta-line-2); background:#FFFCF7; }
.p-course .kd-rvform__title{ font-size:15px; font-weight:900; }
.p-course .kd-rate{ border:0; margin:0; padding:0; display:grid; gap:6px; }
.p-course .kd-rate__stars{ display:inline-flex; flex-direction:row-reverse; justify-content:flex-end; gap:4px; }
.p-course .kd-rate__stars input{ position:absolute; opacity:0; width:1px; height:1px; }
.p-course .kd-rate__stars label{ cursor:pointer; color:#E5DED6; padding:2px; border-radius:6px; }
.p-course .kd-rate__stars label .ta-ico{ width:28px; height:28px; }
.p-course .kd-rate__stars input:checked ~ label,.p-course .kd-rate__stars label:hover,.p-course .kd-rate__stars label:hover ~ label{ color:#F59E0B; }
.p-course .kd-rate__stars input:focus-visible + label{ outline:2px solid var(--ta-ink); outline-offset:2px; }
.p-course .kd-rvform .ta-btn{ justify-self:start; }

/* after */
.p-course .kd-sugg .ta-box__head{ flex-wrap:wrap; }
.p-course .kd-sugg__more{ display:inline-flex; align-items:center; gap:6px; font-size:12.5px; font-weight:800; color:#fff; }
.p-course .kd-sugg__more .ta-ico{ width:14px; height:14px; }
.p-course .kd-sugg .ta-box__title{ margin:0; }
.p-course #kd-after{ padding-bottom:12px; }

/* mobile bar */
.p-course .kd-bar__sub{ font-size:11.5px; color:var(--ta-muted); overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
.p-course .kd-bar__free,.p-course .kd-bar__ok{ color:#15803D !important; }
.p-course .kd-bar .ta-btn--cart{ padding-inline:12px; }

/* shared learn helpers (khoa-hoc-lib.js) */
.p-course .lx-modal-text{ margin:0 0 12px; font-size:14px; line-height:1.6; color:var(--ta-text-2); }
.p-course .lx-actform{ display:grid; gap:12px; }
.p-course .lx-code{ font-weight:800; letter-spacing:.08em; text-transform:uppercase; }

@media (prefers-reduced-motion:reduce){
  .p-course .kd-skel,.p-course .kd-preview--skel{ animation:none; }
  .p-course .kd-preview img,.p-course .kd-preview__play{ transition:none; }
}
.p-course .kd-preview__art,.p-course .kd-preview__art > *{ position:absolute; inset:0; }

/* filler card when fewer than 3 other courses */
.p-course .kd-morecard{
  position:relative; overflow:hidden; display:flex; flex-direction:column; align-items:flex-start; gap:8px; min-height:240px; padding:22px 20px; border-radius:var(--ta-r-xl); color:#fff;
  background:var(--ta-g-maroon-card), var(--ta-tx-seigaiha), radial-gradient(120% 140% at 100% 0%, #9B1D22 0%, #6A1015 55%, #4E0B0F 100%);
  background-size:auto, 36px 18px, auto; box-shadow:0 10px 26px rgba(40,6,8,.2); transition:transform .18s, box-shadow .18s;
}
.p-course .kd-morecard::after{ content:""; position:absolute; right:-24px; bottom:-30px; width:150px; height:150px; opacity:.18; background:var(--ta-ic-blossom-gold) center/contain no-repeat; pointer-events:none; }
.p-course .kd-morecard:hover{ transform:translateY(-3px); box-shadow:0 16px 34px rgba(40,6,8,.28); }
.p-course .kd-morecard__kicker{ font-size:11px; font-weight:900; letter-spacing:.14em; text-transform:uppercase; color:#FDE68A; }
.p-course .kd-morecard__title{ font-family:var(--ta-font-title); font-weight:700; font-size:22px; line-height:1.25; }
.p-course .kd-morecard__text{ font-size:13.5px; line-height:1.55; color:rgba(255,246,220,.94); }
.p-course .kd-morecard__cta{ margin-top:auto; display:inline-flex; align-items:center; gap:6px; padding:8px 14px; border-radius:var(--ta-r-sm); background:#fff; color:var(--ta-text); font-size:12.5px; font-weight:900; }
.p-course .kd-morecard__cta .ta-ico{ width:14px; height:14px; }


/* chapter header on phones: chip above the title */
@media (max-width:599px){
  .p-course .kd-mod > summary{ grid-template-columns:minmax(0,1fr) auto; gap:2px 10px; padding:12px; }
  .p-course .kd-mod__no{ grid-row:auto; grid-column:1; justify-self:start; padding:2px 7px; font-size:10px; }
  .p-course .kd-mod__title{ grid-column:1; }
  .p-course .kd-mod__meta{ grid-column:1; }
  .p-course .kd-mod > summary::after{ grid-column:2; grid-row:1 / span 3; }
  .p-course .kd-les{ padding:12px; gap:4px 10px; }
}
.p-course .kd-buy__end{ height:18px; }
/* "Chờ xác nhận" chip (demo build / admins only; same look as .cx-tbc in lop-hoc-shared.css): access period, instructor */
.p-course .cx-tbc{ display:inline-flex; align-items:center; gap:4px; vertical-align:middle; margin-left:6px; padding:1px 8px 1px 6px; border-radius:var(--ta-r-pill); border:1px dashed #D4A24C; background:#FFF8E6; color:#7A4E08; font-family:var(--ta-font-ui); font-size:11px; font-weight:800; font-style:normal; letter-spacing:0; line-height:1.6; white-space:nowrap; text-transform:none; }
.p-course .cx-tbc .ta-ico{ width:12px; height:12px; flex:0 0 auto; }