/*
 * IStepExcel EduPro — course.css
 * Phase 4 — Course Pages, Archive, Enrollment Modal, Certificate
 */

/* ============================================================
   COURSE HERO
   ============================================================ */
.ise-course-hero {
  position: relative;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 60%, #1a4fa0 100%);
  padding: 60px 0 80px;
  overflow: hidden;
}
.ise-course-hero__bg {
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.ise-course-hero__inner {
  display: grid;
  grid-template-columns: 1fr 400px;
  gap: var(--space-2xl);
  align-items: start;
  position: relative;
  z-index: 1;
}
.ise-course-hero__content { color: #fff; }
.ise-course-hero__cats { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: var(--space-md); }
.ise-cat-pill {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  background: rgba(247,168,0,.2);
  border: 1px solid rgba(247,168,0,.4);
  color: var(--accent);
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 700;
  text-decoration: none;
  transition: background .2s;
}
.ise-cat-pill:hover { background: rgba(247,168,0,.35); }
.ise-cat-pill--sm { font-size: 11px; padding: 3px 10px; }
.ise-course-hero__title {
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  font-weight: 900;
  color: #fff;
  margin-bottom: var(--space-md);
  line-height: 1.15;
}
.ise-course-hero__excerpt { color: rgba(255,255,255,.8); font-size: 16px; margin-bottom: var(--space-lg); line-height: 1.6; }

/* Meta bar */
.ise-course-meta-bar {
  display: flex;
  gap: var(--space-lg);
  flex-wrap: wrap;
  margin-bottom: var(--space-lg);
  padding: var(--space-md) var(--space-lg);
  background: rgba(255,255,255,.08);
  border-radius: var(--radius-md);
  border: 1px solid rgba(255,255,255,.12);
}
.ise-course-meta-item { display: flex; align-items: center; gap: 6px; font-size: 14px; color: rgba(255,255,255,.85); }
.ise-meta-icon { font-size: 16px; }

/* Hero Highlights */
.ise-course-hero__highlights {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: var(--space-lg);
}
.ise-course-hero__highlights li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: rgba(255,255,255,.85);
}
.ise-check-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px; height: 20px;
  background: var(--accent);
  color: var(--primary);
  border-radius: 50%;
  font-size: 11px;
  font-weight: 900;
  flex-shrink: 0;
}

/* Social proof bar */
.ise-course-hero__proof {
  display: flex;
  gap: var(--space-xl);
  padding-top: var(--space-md);
  border-top: 1px solid rgba(255,255,255,.15);
}
.ise-proof-item { text-align: center; }
.ise-proof-item .ise-stars { color: var(--accent); font-size: 14px; }
.ise-proof-item strong { display: block; font-size: 22px; font-weight: 900; color: #fff; }
.ise-proof-item span   { display: block; font-size: 12px; color: rgba(255,255,255,.6); }

/* ──────── ENROLLMENT CARD ──────── */
.ise-enroll-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  box-shadow: 0 24px 64px rgba(0,0,0,.25);
  overflow: hidden;
  position: sticky;
  top: 80px;
}
.ise-enroll-card__thumb { position: relative; height: 200px; overflow: hidden; }
.ise-enroll-card__thumb img { width: 100%; height: 100%; object-fit: cover; }
.ise-enroll-card__play {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(10,45,110,.4);
  color: #fff;
  font-size: 40px;
  cursor: pointer;
  opacity: 0;
  transition: opacity .2s;
}
.ise-enroll-card__thumb:hover .ise-enroll-card__play { opacity: 1; }
.ise-enroll-card__body { padding: var(--space-xl); }

/* Fee display */
.ise-enroll-card__fee { display: flex; align-items: center; gap: 10px; margin-bottom: var(--space-md); flex-wrap: wrap; }
.ise-fee-current { font-size: 32px; font-weight: 900; color: var(--primary); font-family: var(--font-heading); }
.ise-fee-original { font-size: 18px; color: var(--muted); text-decoration: line-through; }
.ise-fee-badge {
  background: #fef3c7;
  color: #92400e;
  border: 1px solid #fde68a;
  border-radius: var(--radius-full);
  padding: 3px 10px;
  font-size: 12px;
  font-weight: 800;
}

/* Batch selector */
.ise-enroll-card__batch { margin-bottom: var(--space-md); }
.ise-enroll-card__batch label { display: block; font-size: 13px; font-weight: 700; margin-bottom: 6px; color: var(--dark); }
.ise-select--enroll { width: 100%; }
.ise-batch-info {
  margin-top: 10px;
  padding: 12px;
  background: var(--light-bg);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  font-size: 12px;
  color: var(--muted);
}
.ise-batch-info i { color: var(--primary-light); width: 14px; }

.ise-enroll-success {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px;
  background: #f0fdf4;
  border: 1px solid #bbf7d0;
  border-radius: var(--radius-md);
  color: #15803d;
  font-weight: 700;
  margin-bottom: var(--space-md);
}
.ise-check-badge {
  width: 28px; height: 28px;
  background: #22c55e;
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 14px;
}
.ise-no-batch-note { font-size: 12px; color: var(--muted); text-align: center; margin-top: 8px; }
.ise-enroll-card__trust { list-style: none; margin: var(--space-md) 0; display: flex; flex-direction: column; gap: 6px; font-size: 12px; color: var(--muted); }
.ise-enroll-card__contact { display: flex; gap: 8px; flex-wrap: wrap; margin-top: var(--space-md); padding-top: var(--space-md); border-top: 1px solid var(--border); }
.ise-contact-link { display: flex; align-items: center; gap: 6px; font-size: 13px; color: var(--primary); text-decoration: none; font-weight: 600; }
.ise-contact-link--whatsapp { color: #16a34a; }

/* ─── STICKY BAR ─── */
.ise-course-sticky-bar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--primary);
  color: #fff;
  padding: 10px 0;
  transform: translateY(-100%);
  opacity: 0;
  transition: all .3s ease;
  box-shadow: var(--shadow-md);
}
.ise-course-sticky-bar.visible { transform: translateY(0); opacity: 1; }
.ise-sticky-bar__inner { display: flex; align-items: center; gap: var(--space-md); }
.ise-sticky-title { font-size: 15px; font-weight: 800; color: #fff; flex: 1; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ise-sticky-meta { display: flex; gap: var(--space-md); font-size: 13px; color: rgba(255,255,255,.75); }
.ise-sticky-fee { font-weight: 900; color: var(--accent); font-size: 16px; }

/* ─── BREADCRUMB ─── */
.ise-breadcrumb { display: flex; align-items: center; gap: 8px; font-size: 13px; color: rgba(255,255,255,.6); margin-bottom: var(--space-md); flex-wrap: wrap; }
.ise-breadcrumb a { color: rgba(255,255,255,.75); text-decoration: none; }
.ise-breadcrumb a:hover { color: var(--accent); }

/* ============================================================
   COURSE BODY / TABS
   ============================================================ */
.ise-course-body { padding: var(--space-2xl) 0; background: var(--light-bg); }
.ise-course-layout { max-width: 900px; }

.ise-content-tabs {
  display: flex;
  gap: 4px;
  border-bottom: 2px solid var(--border);
  margin-bottom: var(--space-xl);
  flex-wrap: wrap;
}
.ise-tab-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px; height: 18px;
  background: var(--accent);
  color: var(--primary);
  border-radius: 50%;
  font-size: 10px;
  font-weight: 900;
  margin-left: 4px;
}
.ise-tab-panel { display: none; animation: ise-fade-up .25s ease; }
.ise-tab-panel.active { display: block; }

@keyframes ise-fade-up {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.ise-course-section { margin-top: var(--space-2xl); }
.ise-course-section h2,
.ise-tab-panel > h2 { font-size: 22px; margin-bottom: var(--space-lg); color: var(--dark); }

/* Learning grid */
.ise-learning-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.ise-learning-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: var(--body-text);
  padding: 10px 14px;
  background: var(--white);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
}

/* Tools grid */
.ise-tools-grid { display: flex; flex-wrap: wrap; gap: 10px; }
.ise-tool-chip {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background: var(--white);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 600;
  color: var(--dark);
  transition: all .2s;
}
.ise-tool-chip:hover { border-color: var(--primary-light); background: rgba(10,45,110,.04); }
.ise-requirements-list { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.ise-requirements-list li { font-size: 14px; color: var(--body-text); padding-left: 24px; position: relative; }
.ise-requirements-list li::before { content: '➤'; position: absolute; left: 0; color: var(--primary-light); font-size: 10px; top: 3px; }

/* Curriculum accordion */
.ise-curriculum-summary {
  display: flex;
  gap: var(--space-lg);
  padding: 12px 16px;
  background: var(--light-bg);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  margin-bottom: var(--space-md);
  font-size: 13px;
  color: var(--muted);
  font-weight: 600;
}
.ise-curriculum-accordion { border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; }
.ise-module-item { border-bottom: 1px solid var(--border); }
.ise-module-item:last-child { border-bottom: none; }
.ise-module-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px var(--space-md);
  width: 100%;
  background: var(--white);
  border: none;
  cursor: pointer;
  text-align: left;
  transition: background .15s;
  gap: var(--space-md);
}
.ise-module-item.open .ise-module-header { background: rgba(10,45,110,.04); }
.ise-module-header:hover { background: var(--light-bg); }
.ise-module-left { display: flex; align-items: center; gap: 12px; flex: 1; }
.ise-module-num {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 900; font-size: 13px; flex-shrink: 0;
}
.ise-module-item.open .ise-module-num { background: var(--accent); color: var(--primary); }
.ise-module-tag { display: block; font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: .5px; }
.ise-module-header strong { font-size: 15px; color: var(--dark); display: block; }
.ise-module-right { display: flex; align-items: center; gap: 16px; font-size: 12px; color: var(--muted); flex-shrink: 0; }
.ise-module-chevron { transition: transform .3s; font-size: 10px; color: var(--muted); }
.ise-module-item.open .ise-module-chevron { transform: rotate(180deg); }
.ise-module-body {
  display: none;
  padding: 0 var(--space-md) var(--space-md);
  background: var(--light-bg);
}
.ise-module-item.open .ise-module-body { display: block; }
.ise-lesson-item { display: flex; align-items: center; gap: 10px; padding: 8px 0; border-bottom: 1px solid var(--border); font-size: 14px; color: var(--body-text); }
.ise-lesson-item:last-child { border-bottom: none; }
.ise-lesson-icon { color: var(--primary-light); font-size: 10px; flex-shrink: 0; }
.ise-module-note { font-size: 13px; color: var(--muted); padding: var(--space-md) 0; }

/* Batch list in tab */
.ise-batches-list { display: flex; flex-direction: column; gap: 12px; }
.ise-batch-row-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-lg);
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  gap: var(--space-lg);
  transition: box-shadow .2s;
}
.ise-batch-row-card:hover { box-shadow: var(--shadow-md); }
.ise-batch-row-card__left { flex: 1; }
.ise-batch-row-card__name { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; }
.ise-batch-row-card__name strong { font-size: 16px; color: var(--dark); }
.ise-batch-row-card__meta { display: flex; gap: var(--space-md); flex-wrap: wrap; font-size: 12px; color: var(--muted); }
.ise-batch-row-card__meta i { color: var(--primary-light); width: 14px; }
.ise-batch-row-card__right { display: flex; flex-direction: column; align-items: flex-end; gap: 8px; flex-shrink: 0; }
.ise-batch-fee { font-size: 20px; font-weight: 900; color: var(--primary); font-family: var(--font-heading); }
.ise-batch-seats { font-size: 12px; color: var(--muted); }
.ise-batch-seats.urgent { color: #ef4444; font-weight: 700; animation: ise-pulse 1.5s infinite; }

/* Faculty tab */
.ise-course-faculty-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px,1fr)); gap: var(--space-lg); }
.ise-course-faculty-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  gap: var(--space-md);
  padding: var(--space-md);
  transition: box-shadow .2s;
}
.ise-course-faculty-card:hover { box-shadow: var(--shadow-md); }
.ise-faculty-card-photo { width: 80px; height: 80px; border-radius: 50%; overflow: hidden; flex-shrink: 0; }
.ise-faculty-card-photo img { width: 100%; height: 100%; object-fit: cover; }
.ise-faculty-card-initial {
  width: 80px; height: 80px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 30px; font-weight: 900;
}
.ise-course-faculty-card__info { flex: 1; }
.ise-faculty-card-name { display: flex; align-items: center; gap: 8px; margin-bottom: 4px; }
.ise-faculty-card-name strong { font-size: 15px; color: var(--dark); }
.ise-linkedin-icon {
  display: flex; align-items: center; justify-content: center;
  width: 20px; height: 20px;
  background: #0077b5; color: #fff;
  border-radius: 4px; font-size: 10px;
  font-weight: 900; text-decoration: none;
}
.ise-faculty-desig { display: block; font-size: 12px; color: var(--muted); margin-bottom: 6px; }
.ise-course-faculty-card__info p { font-size: 13px; color: var(--body-text); line-height: 1.5; margin-bottom: 8px; }
.ise-faculty-stats { display: flex; gap: var(--space-md); font-size: 12px; color: var(--muted); font-weight: 600; }

/* Reviews */
.ise-reviews-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-lg); }
.ise-review-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
}
.ise-review-stars { color: var(--accent); font-size: 16px; margin-bottom: 8px; }
.ise-review-card blockquote { font-size: 14px; color: var(--body-text); line-height: 1.6; margin-bottom: var(--space-md); font-style: italic; }
.ise-reviewer { display: flex; align-items: center; gap: 10px; }
.ise-reviewer-avatar { width: 36px; height: 36px; border-radius: 50%; overflow: hidden; flex-shrink: 0; }
.ise-reviewer-avatar img { width: 100%; height: 100%; object-fit: cover; }
.ise-reviewer-initial { width: 36px; height: 36px; background: var(--primary); color: #fff; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 900; font-size: 14px; }
.ise-reviewer strong { display: block; font-size: 14px; color: var(--dark); }
.ise-reviewer span   { display: block; font-size: 12px; color: var(--muted); }

/* ============================================================
   COURSE ARCHIVE
   ============================================================ */
.ise-archive-hero {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  padding: 60px 0;
  text-align: center;
}
.ise-archive-hero h1 { font-size: 36px; color: #fff; margin-bottom: 12px; }
.ise-archive-hero p  { color: rgba(255,255,255,.75); font-size: 16px; max-width: 600px; margin: 0 auto; }

.ise-archive-filters {
  padding: var(--space-xl) 0;
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  flex-wrap: wrap;
}
.ise-archive-search {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--white);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-full);
  padding: 8px 20px;
  min-width: 240px;
  color: var(--muted);
}
.ise-archive-search .ise-input { border: none; background: none; outline: none; padding: 0; width: 100%; font-size: 14px; }
.ise-archive-cats { display: flex; gap: 8px; flex-wrap: wrap; }
.ise-tab-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,.08);
  border-radius: var(--radius-full);
  font-size: 10px;
  font-weight: 700;
  padding: 1px 6px;
  margin-left: 4px;
}
.ise-archive-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--border);
  margin-bottom: var(--space-xl);
  font-size: 14px;
  color: var(--muted);
}

/* Archive course cards */
.ise-archive-card { background: var(--white); }
.ise-course-card__thumb-link { display: block; }
.ise-course-card__thumb { position: relative; height: 180px; overflow: hidden; background: linear-gradient(135deg, var(--primary), var(--primary-light)); }
.ise-course-card__thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.ise-course-card:hover .ise-course-card__thumb img { transform: scale(1.05); }
.ise-course-card__icon-fallback { height: 100%; display: flex; align-items: center; justify-content: center; font-size: 60px; }
.ise-featured-badge {
  position: absolute;
  top: 10px; left: 10px;
  background: var(--accent);
  color: var(--primary);
  border-radius: var(--radius-full);
  padding: 3px 10px;
  font-size: 11px;
  font-weight: 900;
}
.ise-course-card__body { padding: var(--space-md); }
.ise-course-card__cats { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 8px; }
.ise-course-card__title { font-size: 17px; margin-bottom: 8px; line-height: 1.3; }
.ise-course-card__title a { color: var(--dark); text-decoration: none; }
.ise-course-card__title a:hover { color: var(--primary); }
.ise-course-card__excerpt { font-size: 13px; color: var(--muted); line-height: 1.5; margin-bottom: 10px; }
.ise-course-card__highlights { list-style: none; margin-bottom: var(--space-md); display: flex; flex-direction: column; gap: 4px; font-size: 12px; color: var(--muted); }
.ise-course-card__footer { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 8px; padding-top: var(--space-sm); border-top: 1px solid var(--border); }
.ise-course-meta-row { display: flex; gap: 8px; font-size: 12px; color: var(--muted); }
.ise-course-card__cta { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.ise-course-fee { font-weight: 900; color: var(--primary); font-size: 18px; font-family: var(--font-heading); }

/* Related courses */
.ise-related-courses-section { background: var(--white); }
.ise-section-header-center { text-align: center; margin-bottom: var(--space-xl); }
.ise-section-header-center h2 { font-size: 28px; color: var(--dark); }
.ise-related-courses-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-lg); }
.ise-related-card { border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; text-decoration: none; background: var(--white); transition: all .2s; display: block; }
.ise-related-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.ise-related-card__thumb { height: 140px; overflow: hidden; background: linear-gradient(135deg, var(--primary), var(--primary-light)); }
.ise-related-card__thumb img { width: 100%; height: 100%; object-fit: cover; }
.ise-related-card__icon { height: 100%; display: flex; align-items: center; justify-content: center; font-size: 40px; }
.ise-related-card__body { padding: var(--space-md); }
.ise-related-card__body h3 { font-size: 15px; color: var(--dark); margin-bottom: 8px; line-height: 1.3; }
.ise-related-meta { display: flex; gap: 10px; flex-wrap: wrap; font-size: 12px; color: var(--muted); }
.ise-related-fee { font-weight: 900; color: var(--primary); }

/* ============================================================
   ENROLLMENT MODAL
   ============================================================ */
.ise-enroll-modal {
  background: var(--white);
  border-radius: var(--radius-xl);
  max-width: 560px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  animation: ise-modal-in .3s ease;
}
.ise-enroll-modal__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  padding: var(--space-xl);
  border-bottom: 1px solid var(--border);
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}
.ise-enroll-modal__header h2 { font-size: 20px; color: #fff; margin: 0; }
.ise-enroll-subtitle { font-size: 13px; color: rgba(255,255,255,.7); margin: 4px 0 0; }

/* Step indicator */
.ise-enroll-steps {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg) var(--space-xl);
  background: var(--light-bg);
  border-bottom: 1px solid var(--border);
}
.ise-step { display: flex; flex-direction: column; align-items: center; gap: 4px; position: relative; }
.ise-step-circle {
  width: 32px; height: 32px;
  border-radius: 50%;
  border: 2px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-size: 13px; font-weight: 700;
  color: var(--muted);
  background: var(--white);
  transition: all .3s;
}
.ise-step.active .ise-step-circle { background: var(--primary); border-color: var(--primary); color: #fff; }
.ise-step.completed .ise-step-circle { background: #22c55e; border-color: #22c55e; color: #fff; }
.ise-step span { font-size: 11px; color: var(--muted); font-weight: 600; }
.ise-step.active span { color: var(--primary); }
.ise-step-line { flex: 1; height: 2px; background: var(--border); max-width: 80px; margin: 0 8px; transition: background .3s; }
.ise-step-line.completed { background: #22c55e; }

/* Modal body */
.ise-enroll-modal__body { padding: var(--space-xl); }
.ise-enroll-panel h3 { font-size: 18px; margin-bottom: var(--space-lg); color: var(--dark); }

.ise-batch-confirm-card {
  padding: var(--space-md);
  background: var(--light-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-lg);
}
.ise-batch-confirm-detail { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; font-size: 13px; }
.ise-batch-confirm-detail > div { display: flex; flex-direction: column; }
.ise-batch-confirm-detail label { font-size: 10px; text-transform: uppercase; letter-spacing: .5px; color: var(--muted); font-weight: 700; }
.ise-batch-confirm-detail span  { font-size: 14px; font-weight: 600; color: var(--dark); }
.ise-batch-confirm-fee { font-size: 24px; font-weight: 900; color: var(--primary); margin-top: var(--space-sm); }

.ise-loading-dot { display: inline-block; width: 8px; height: 8px; background: var(--primary); border-radius: 50%; animation: ise-pulse 1s infinite; margin-right: 8px; }

.ise-enroll-login-prompt {
  display: flex; align-items: center; gap: 10px;
  padding: 12px;
  background: #eff6ff;
  border: 1px solid #bfdbfe;
  border-radius: var(--radius-md);
  margin-bottom: var(--space-md);
  font-size: 13px;
  color: #1d4ed8;
}
.ise-enroll-login-prompt i { font-size: 18px; flex-shrink: 0; }
.ise-enroll-login-prompt a { color: #1d4ed8; font-weight: 700; }

.ise-enroll-nav { display: flex; gap: 10px; margin-top: var(--space-md); }

/* Payment options */
.ise-payment-summary {
  padding: var(--space-md);
  background: var(--light-bg);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-lg);
  font-size: 14px;
}
.ise-payment-summary-row { display: flex; justify-content: space-between; padding: 6px 0; border-bottom: 1px solid var(--border); }
.ise-payment-summary-row:last-child { border-bottom: none; font-weight: 900; color: var(--primary); font-size: 16px; }
.ise-payment-options { display: flex; flex-direction: column; gap: 10px; margin-bottom: var(--space-lg); }
.ise-payment-option {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px;
  border: 2px solid var(--border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all .2s;
}
.ise-payment-option.selected { border-color: var(--primary); background: rgba(10,45,110,.04); }
.ise-payment-option__radio {
  width: 18px; height: 18px;
  border-radius: 50%;
  border: 2px solid var(--border);
  flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
}
.ise-payment-option.selected .ise-payment-option__radio {
  border-color: var(--primary);
  background: var(--primary);
}
.ise-payment-option.selected .ise-payment-option__radio::after {
  content: '';
  width: 8px; height: 8px;
  background: #fff;
  border-radius: 50%;
}
.ise-payment-option > div { flex: 1; }
.ise-payment-option strong { display: block; font-size: 14px; color: var(--dark); }
.ise-payment-option span   { display: block; font-size: 12px; color: var(--muted); }
.ise-payment-logos { display: flex; gap: 6px; }
.ise-payment-logos span { padding: 2px 6px; background: var(--border); border-radius: 3px; font-size: 9px; font-weight: 800; color: var(--muted); }
.ise-payment-secure-note { display: flex; align-items: center; gap: 8px; font-size: 12px; color: var(--muted); margin-top: var(--space-md); justify-content: center; }
.ise-payment-secure-note i { color: #22c55e; }

/* Success panel */
.ise-enroll-success-inner { text-align: center; padding: var(--space-xl) 0; }
.ise-success-animation { margin-bottom: var(--space-lg); }
.ise-success-circle {
  width: 80px; height: 80px;
  background: #22c55e;
  border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 36px; color: #fff; font-weight: 900;
  animation: ise-success-pop .4s ease;
}
.ise-success-circle--lg { width: 100px; height: 100px; font-size: 48px; }
@keyframes ise-success-pop {
  from { transform: scale(0); opacity: 0; }
  to   { transform: scale(1); opacity: 1; }
}
.ise-enroll-success-inner h3 { font-size: 24px; margin-bottom: 10px; }
.ise-enroll-success-inner p  { color: var(--muted); font-size: 14px; margin-bottom: var(--space-xl); }
.ise-enroll-success-actions { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }

/* ============================================================
   CONFIRMATION PAGE
   ============================================================ */
.ise-confirmation-page { padding: var(--space-2xl) 0; background: var(--light-bg); min-height: 70vh; }
.ise-confirmation-wrap { max-width: 720px; margin: 0 auto; }
.ise-confirmation-hero { text-align: center; margin-bottom: var(--space-xl); }
.ise-confirmation-hero h1 { font-size: 32px; margin-top: var(--space-lg); margin-bottom: 10px; }
.ise-confirmation-hero p  { color: var(--muted); font-size: 16px; }

.ise-confirmation-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  margin-bottom: var(--space-xl);
  box-shadow: var(--shadow-md);
}
.ise-confirmation-card__header {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  padding: var(--space-lg) var(--space-xl);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.ise-confirmation-card__header h2 { font-size: 18px; color: #fff; margin: 0; }
.ise-confirmation-details { padding: var(--space-xl); display: grid; grid-template-columns: 1fr 1fr; gap: 0; }
.ise-conf-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: var(--space-md);
  border-bottom: 1px solid var(--border);
  border-right: 1px solid var(--border);
}
.ise-conf-item:nth-child(even) { border-right: none; }
.ise-conf-item:nth-last-child(-n+2) { border-bottom: none; }
.ise-conf-label { font-size: 11px; text-transform: uppercase; letter-spacing: .5px; color: var(--muted); font-weight: 700; }
.ise-conf-value { font-size: 15px; font-weight: 600; color: var(--dark); }

.ise-next-steps { background: var(--white); border-radius: var(--radius-xl); padding: var(--space-xl); margin-bottom: var(--space-xl); border: 1px solid var(--border); }
.ise-next-steps h3 { font-size: 18px; margin-bottom: var(--space-lg); }
.ise-next-steps-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: var(--space-md); }
.ise-next-step { display: flex; flex-direction: column; align-items: center; text-align: center; gap: 10px; }
.ise-next-step__icon { font-size: 36px; }
.ise-next-step strong { display: block; font-size: 14px; margin-bottom: 4px; color: var(--dark); }
.ise-next-step p { font-size: 12px; color: var(--muted); line-height: 1.5; }
.ise-confirmation-actions { display: flex; gap: var(--space-md); flex-wrap: wrap; }

/* ============================================================
   ALERT VARIANTS
   ============================================================ */
.ise-alert--info { background: #eff6ff; color: #1d4ed8; border-color: #bfdbfe; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .ise-course-hero__inner { grid-template-columns: 1fr; }
  .ise-course-hero__card-wrap { max-width: 520px; }
  .ise-enroll-card { position: static; }
  .ise-related-courses-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .ise-course-hero { padding: 40px 0; }
  .ise-course-hero__highlights { grid-template-columns: 1fr; }
  .ise-course-meta-bar { flex-direction: column; gap: 8px; }
  .ise-learning-grid { grid-template-columns: 1fr; }
  .ise-reviews-grid { grid-template-columns: 1fr; }
  .ise-course-faculty-grid { grid-template-columns: 1fr; }
  .ise-related-courses-grid { grid-template-columns: 1fr; }
  .ise-confirmation-details { grid-template-columns: 1fr; }
  .ise-conf-item { border-right: none; }
  .ise-next-steps-grid { grid-template-columns: 1fr; }
  .ise-confirmation-actions { flex-direction: column; }
  .ise-archive-filters { flex-direction: column; align-items: stretch; }
  .ise-archive-search { min-width: unset; }
  .ise-batch-confirm-detail { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .ise-enroll-modal { border-radius: var(--radius-lg); }
  .ise-sticky-meta { display: none; }
  .ise-content-tabs { gap: 2px; }
  .ise-tab-btn { font-size: 13px; padding: 8px 12px; }
}
@media (max-width: 360px) {
  .ise-course-hero__highlights { grid-template-columns: 1fr; }
  .ise-enroll-modal { margin: 10px; }
}
@media (min-width: 1280px) {
  .ise-course-hero__inner { grid-template-columns: 1fr 420px; }
}