/* PTL Style Meridian — thẻ khoá học dùng chung (render_courses.php). Chỉ dùng token của template.css. */
.ptl-meridian-course {
  display: grid; grid-template-columns: minmax(280px, 40%) minmax(0, 1fr); gap: 40px; align-items: start;
  padding: 30px; margin-bottom: 20px;
  background: var(--ptl-meridian-bg-surface); border: 1px solid var(--ptl-meridian-border-subtle); border-radius: 18px;
}
.ptl-meridian-course-side img { display: block; width: 100%; border-radius: 14px; }
.ptl-meridian-course-price { width: 100%; margin-top: 22px; border-collapse: collapse; font-size: 15px; }
.ptl-meridian-course-price td { padding: 12px 6px; border-top: 1px solid var(--ptl-meridian-border-subtle); vertical-align: top; line-height: 1.55; color: var(--ptl-meridian-text-secondary); }
.ptl-meridian-course-price td:first-child { width: 34%; font-weight: 700; color: var(--ptl-meridian-text-brand); }
.ptl-meridian-course-price .hl { color: #16a34a; }
.ptl-meridian-course-actions { display: flex; gap: 10px; margin-top: 18px; }
.ptl-meridian-course-actions a {
  flex: 1; text-align: center; padding: 12px 14px; border-radius: var(--ptl-meridian-radius); font-size: 14px; font-weight: 800;
  background: var(--ptl-meridian-bg-hover); color: var(--ptl-meridian-text-primary);
}
.ptl-meridian-course-actions a:first-child { background: var(--ptl-meridian-brand); color: #fff; }
.ptl-meridian-course-actions a:hover { filter: brightness(1.06); }
.ptl-meridian-course-body { max-width: 900px; font-size: 16px; line-height: 1.75; color: var(--ptl-meridian-text-primary); }
.ptl-meridian-course-body h2 { margin: 0 0 14px; font-size: 26px; line-height: 1.25; font-weight: 800; color: var(--ptl-meridian-text-brand); }
.ptl-meridian-course-body p { margin: 0 0 12px; }
.ptl-meridian-course-body strong { display: block; margin-top: 16px; font-size: 14px; letter-spacing: .02em; color: var(--ptl-meridian-text-brand); }
.ptl-meridian-course-body ul { margin: 0 0 12px; padding-left: 22px; }
.ptl-meridian-course-body li { margin: 4px 0; }
@media (max-width: 860px) {
  .ptl-meridian-course { grid-template-columns: 1fr; gap: 22px; padding: 18px; }
  .ptl-meridian-course-side { max-width: 460px; }
  .ptl-meridian-course-body h2 { font-size: 22px; }
}