/* ============================================================
   COMPONENT — Card
   ============================================================ */

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--trans);
  box-shadow: 0 2px 10px rgba(0, 116, 75, 0.04);
  display: block;
}

/* When card is itself a link, kill default link styles */
a.card { text-decoration: none; color: inherit; cursor: pointer; }
a.card:hover { color: inherit; }
.card:hover {
  transform: translateY(-4px);
  border-color: var(--primary-100);
  box-shadow: 0 14px 32px rgba(0, 116, 75, 0.12);
}

.card-media {
  aspect-ratio: 16 / 10;
  background: linear-gradient(135deg, var(--primary-light), var(--primary));
  position: relative; overflow: hidden;
}
.card-media::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,.1), transparent 60%);
}
.card-media .tag {
  position: absolute; top: 12px; left: 12px; z-index: 2;
  background: var(--surface); color: var(--primary-dark);
  padding: 4px 12px; border-radius: 8px;
  font-family: var(--font-heading);
  font-size: var(--fs-badge); font-weight: 700;
  border: 1px solid rgba(0, 116, 75, 0.15);
}

.card-body { padding: 18px 20px 20px; }
.card-title {
  font-family: var(--font-display);
  font-weight: 700; font-size: var(--fs-h4); line-height: 1.35;
  margin-bottom: 10px;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
  overflow: hidden;
  color: var(--text-strong);
}
.card-meta {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  font-family: var(--font-heading);
  font-size: var(--fs-badge); color: var(--text-muted);
}
/* การ์ดพันธมิตร — grid-4 แคบ ลดขนาดหัวการ์ดให้พอดี */
.partner-courses .card-title { font-size: 13pt; line-height: 1.3; }
.card-meta .dot { width: 3px; height: 3px; background: currentColor; border-radius: 50%; opacity: .5; }

/* Course card extras */
.course-card .card-body .price {
  font-family: var(--font-display);
  font-weight: 700; color: var(--primary-dark); font-size: 14pt;
}
.course-card .card-body .free-tag {
  background: var(--primary-50); color: var(--primary-dark);
  padding: 4px 10px; border-radius: var(--radius-pill);
  font-family: var(--font-heading);
  font-size: var(--fs-badge); font-weight: 700;
}

/* Course meta row: จำนวนบทเรียน · ระยะเวลา (อ่านจาก API) */
.course-card .course-meta {
  display: flex; align-items: center;
  gap: 8px; flex-wrap: wrap;
  padding: 8px 10px;
  margin-bottom: 12px;
  background: var(--primary-50, #edf6f0);
  border-radius: var(--radius-sm, 8px);
  font-family: var(--font-heading);
  font-size: var(--fs-badge);
  color: var(--primary-dark, #005c3b);
}
.course-card .course-meta-item {
  display: inline-flex; align-items: center; gap: 6px;
  font-weight: 600;
}
.course-card .course-meta-item i { font-size: 12pt; opacity: .9; }
.course-card .course-meta-sep { opacity: .4; font-weight: 400; }

/* ============================================================
   Course-card extras — ใช้ได้ทุกหน้าที่มี .course-card
   (รวมจาก home.css เดิม เพื่อให้ courses/index ใช้ได้ด้วย)
   ============================================================ */
.card-dur-overlay {
  position: absolute; bottom: 12px; right: 12px; z-index: 3;
  color: #fff;
  font-family: var(--font-heading);
  font-size: 13pt; font-weight: 600;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

/* Status badge (เปิดรับ/เลย/เต็ม/ปิด) — มุมขวาบนของรูป */
.course-status-badge {
  position: absolute; top: 14px; right: 14px; z-index: 3;
  padding: 4px 12px; border-radius: 999px;
  font-family: var(--font-heading);
  font-size: var(--fs-badge); font-weight: 700;
  letter-spacing: .02em;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
  backdrop-filter: blur(6px);
}
.course-status-badge.badge-open    { background: rgba(46, 160, 67, .95);   color: #fff; }
.course-status-badge.badge-full    { background: rgba(220, 53, 69, .95);   color: #fff; }
.course-status-badge.badge-expired { background: rgba(108, 117, 125, .95); color: #fff; }
.course-status-badge.badge-closed  { background: rgba(73, 80, 87, .95);    color: #fff; }
.course-status-badge.badge-soon    { background: rgba(255, 180, 73, .95);  color: #5a3a00; }

/* Featured chip — "แนะนำ" มุมซ้ายบน */
.course-featured-chip {
  position: absolute; top: 14px; left: 14px; z-index: 3;
  padding: 4px 10px; border-radius: 999px;
  font-family: var(--font-heading);
  font-size: var(--fs-badge); font-weight: 700;
  background: linear-gradient(135deg, #ffd54f 0%, #ff9800 100%);
  color: #5a3a00;
  box-shadow: 0 4px 10px rgba(255, 152, 0, .35);
  letter-spacing: .02em;
  display: inline-flex; align-items: center; gap: 4px;
}
.course-featured-chip i { font-size: 11pt; }

/* Registration info row — ใต้ card-body */
.course-card .course-reg-info {
  display: flex; flex-wrap: wrap; gap: 10px;
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px dashed var(--line);
  font-family: var(--font-heading);
  font-size: var(--fs-badge);
  color: var(--text-muted);
}
.course-card .course-reg-info > span {
  display: inline-flex; align-items: center; gap: 5px;
}
.course-card .course-reg-info .text-danger { color: #dc3545; font-weight: 700; }
.course-card .course-rounds  { color: var(--secondary-blue); font-weight: 600; }
.course-card .course-deadline { color: var(--orange);       font-weight: 600; }

/* "ปิดรับ DATE" — บังคับขึ้นบรรทัดใหม่ทุกครั้ง */
.course-card .course-reg-info .course-deadline { flex-basis: 100%; width: 100%; }

/* Difficulty + Language chips */
.course-card .course-chips {
  display: flex; flex-wrap: wrap; gap: 6px;
  margin-top: 8px;
}
.course-card .course-chips .chip {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 3px 9px; border-radius: 999px;
  font-family: var(--font-heading);
  font-size: var(--fs-badge); font-weight: 600;
  background: rgba(0, 0, 0, .04);
  color: var(--text-muted);
  border: 1px solid rgba(0, 0, 0, .06);
}
.course-card .chip-diff-beginner     { background: rgba(46, 160, 67, .12);  color: #1e7d34; border-color: rgba(46, 160, 67, .25); }
.course-card .chip-diff-intermediate { background: rgba(255, 152, 0, .14);  color: #b35900; border-color: rgba(255, 152, 0, .28); }
.course-card .chip-diff-advanced     { background: rgba(220, 53, 69, .12);  color: #a02030; border-color: rgba(220, 53, 69, .25); }
.course-card .chip-lang { background: rgba(31, 92, 219, .10); color: #1f5cdb; border-color: rgba(31, 92, 219, .22); }