/* =====================================================
   MOALMS - Main CSS
   Design: Clean & Modern Educational Platform
   ===================================================== */

@import url('https://fonts.googleapis.com/css2?family=Pretendard:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;600&display=swap');

:root {
  --moa-primary:     #1e40af;
  --moa-primary-h:   #1d3a9e;
  --moa-accent:      #f59e0b;
  --moa-accent-h:    #d97706;
  --moa-success:     #10b981;
  --moa-danger:      #ef4444;
  --moa-text:        #111827;
  --moa-text-sub:    #6b7280;
  --moa-border:      #e5e7eb;
  --moa-bg:          #f9fafb;
  --moa-card:        #ffffff;
  --moa-shadow:      0 2px 12px rgba(0,0,0,.08);
  --moa-shadow-lg:   0 8px 40px rgba(0,0,0,.12);
  --moa-radius:      12px;
  --moa-radius-sm:   8px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body { font-family: 'Pretendard', 'Noto Sans KR', sans-serif; color: var(--moa-text); background: var(--moa-bg); }

a { color: inherit; text-decoration: none; }

/* ─── Layout ─────────────────────────────────────── */
.moa-wrap { min-height: 60vh; }
.moa-container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* ─── Hero ───────────────────────────────────────── */
.moa-hero {
  background: linear-gradient(135deg, #1e40af 0%, #1e3a8a 50%, #0f172a 100%);
  padding: 72px 20px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.moa-hero::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at 70% 50%, rgba(245,158,11,.15) 0%, transparent 60%);
  pointer-events: none;
}
.moa-hero-inner { max-width: 640px; margin: 0 auto; position: relative; }
.moa-hero-title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}
.moa-hero-sub { color: rgba(255,255,255,.75); font-size: 1.05rem; margin-bottom: 32px; }

.moa-search-bar {
  display: flex;
  background: #fff;
  border-radius: 50px;
  overflow: hidden;
  box-shadow: 0 4px 24px rgba(0,0,0,.2);
  max-width: 520px;
  margin: 0 auto;
}
.moa-search-bar input {
  flex: 1; border: none; outline: none;
  padding: 14px 20px; font-size: .95rem; font-family: inherit;
}
.moa-search-bar button {
  background: var(--moa-accent); border: none; cursor: pointer;
  padding: 0 22px; transition: background .2s;
}
.moa-search-bar button:hover { background: var(--moa-accent-h); }
.moa-search-bar button svg { width: 20px; height: 20px; display: block; }

/* ─── Category Tabs ──────────────────────────────── */
.moa-category-tabs {
  display: flex; gap: 8px; flex-wrap: wrap;
  padding: 28px 0 0;
}
.moa-cat-tab {
  padding: 7px 18px;
  border-radius: 50px;
  font-size: .875rem; font-weight: 500;
  background: var(--moa-card);
  border: 1.5px solid var(--moa-border);
  color: var(--moa-text-sub);
  transition: all .2s;
  cursor: pointer;
}
.moa-cat-tab:hover,
.moa-cat-tab.active {
  background: var(--moa-primary);
  border-color: var(--moa-primary);
  color: #fff;
}

/* ─── Filter Bar ─────────────────────────────────── */
.moa-filter-bar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 0; gap: 12px; flex-wrap: wrap;
}
.moa-filter-left { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.moa-total-count { font-size: .9rem; color: var(--moa-text-sub); }
.moa-total-count strong { color: var(--moa-primary); }

.moa-level-filter { display: flex; gap: 6px; }
.moa-level-btn {
  padding: 4px 12px; border-radius: 50px; font-size: .8rem;
  background: var(--moa-bg); border: 1.5px solid var(--moa-border);
  color: var(--moa-text-sub); transition: all .15s;
}
.moa-level-btn:hover, .moa-level-btn.active {
  background: var(--moa-primary); border-color: var(--moa-primary); color: #fff;
}

.moa-sort select {
  padding: 7px 14px; border: 1.5px solid var(--moa-border);
  border-radius: var(--moa-radius-sm); font-family: inherit;
  font-size: .875rem; color: var(--moa-text); background: var(--moa-card);
  cursor: pointer; outline: none;
}

/* ─── Course Grid ────────────────────────────────── */
.moa-course-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
  padding-bottom: 48px;
}

.moa-course-card {
  background: var(--moa-card);
  border-radius: var(--moa-radius);
  box-shadow: var(--moa-shadow);
  overflow: hidden;
  transition: transform .25s, box-shadow .25s;
  border: 1px solid var(--moa-border);
}
.moa-course-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--moa-shadow-lg);
}
.moa-card-link { display: block; }

.moa-card-thumb {
  position: relative; aspect-ratio: 16/9; overflow: hidden;
  background: #e5e7eb;
}
.moa-card-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.moa-thumb-placeholder {
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
  font-size: 2.5rem;
  background: linear-gradient(135deg, #dbeafe, #bfdbfe);
}

.moa-badge-free {
  position: absolute; top: 10px; left: 10px;
  background: var(--moa-success); color: #fff;
  font-size: .72rem; font-weight: 700;
  padding: 3px 8px; border-radius: 4px;
}
.moa-badge-level {
  position: absolute; top: 10px; right: 10px;
  background: rgba(0,0,0,.6); color: #fff;
  font-size: .72rem; padding: 3px 8px; border-radius: 4px;
}
.moa-badge-preview {
  background: var(--moa-accent); color: #fff;
  font-size: .7rem; font-weight: 700;
  padding: 2px 7px; border-radius: 4px; margin-left: 6px;
}

.moa-card-body { padding: 16px; }
.moa-card-title {
  font-size: .95rem; font-weight: 700; line-height: 1.45;
  margin-bottom: 6px;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
  overflow: hidden;
}
.moa-card-instructor { font-size: .8rem; color: var(--moa-text-sub); margin-bottom: 8px; }
.moa-card-meta { display: flex; align-items: center; gap: 4px; margin-bottom: 8px; }

.moa-stars { display: inline-flex; align-items: center; gap: 1px; }
.moa-star { font-size: .9rem; line-height: 1; }
.moa-star.full { color: #f59e0b; }
.moa-star.half { color: #f59e0b; opacity: .6; }
.moa-star.empty { color: #d1d5db; }
.moa-rating-num { font-size: .82rem; font-weight: 600; color: var(--moa-text); margin-left: 4px; }
.moa-review-count { font-size: .78rem; color: var(--moa-text-sub); }

.moa-card-stats {
  display: flex; gap: 10px; font-size: .78rem;
  color: var(--moa-text-sub); margin-bottom: 10px;
}
.moa-card-price strong { font-size: 1rem; color: var(--moa-primary); }
.moa-free-text { color: var(--moa-success); }

/* ─── Empty State ────────────────────────────────── */
.moa-empty {
  text-align: center; padding: 80px 20px;
  color: var(--moa-text-sub);
}
.moa-empty-icon { font-size: 3rem; margin-bottom: 16px; }
.moa-empty p { font-size: 1rem; margin-bottom: 20px; }

/* ─── Pagination ─────────────────────────────────── */
.moa-pagination { display: flex; justify-content: center; padding: 32px 0; }
.moa-pagination ul {
  display: flex; gap: 4px; list-style: none;
}
.moa-pagination li a, .moa-pagination li.moa-dots {
  display: flex; align-items: center; justify-content: center;
  min-width: 36px; height: 36px; padding: 0 8px;
  border-radius: var(--moa-radius-sm);
  border: 1.5px solid var(--moa-border);
  background: var(--moa-card);
  font-size: .875rem; color: var(--moa-text);
  transition: all .15s;
}
.moa-pagination li a:hover, .moa-pagination li.active a {
  background: var(--moa-primary); border-color: var(--moa-primary); color: #fff;
}

/* ─── Course Detail ──────────────────────────────── */
.moa-course-header {
  background: linear-gradient(135deg, #0f172a 0%, #1e3a8a 100%);
  color: #fff; padding: 48px 0;
}
.moa-course-header-inner {
  display: grid; grid-template-columns: 1fr 340px; gap: 40px; align-items: start;
}
@media (max-width: 768px) {
  .moa-course-header-inner { grid-template-columns: 1fr; }
}

.moa-breadcrumb { font-size: .82rem; color: rgba(255,255,255,.6); margin-bottom: 12px; }
.moa-breadcrumb a { color: rgba(255,255,255,.7); }
.moa-breadcrumb a:hover { color: #fff; }
.moa-breadcrumb span { margin: 0 6px; }

.moa-course-title {
  font-size: clamp(1.4rem, 3vw, 2rem); font-weight: 800;
  letter-spacing: -0.02em; margin-bottom: 12px; line-height: 1.35;
}
.moa-course-desc-short { color: rgba(255,255,255,.8); font-size: .95rem; margin-bottom: 16px; line-height: 1.6; }
.moa-course-meta-row {
  display: flex; align-items: center; gap: 8px;
  font-size: .85rem; color: rgba(255,255,255,.75); flex-wrap: wrap;
}
.moa-meta-divider { color: rgba(255,255,255,.3); }
.moa-instructor-info {
  display: flex; align-items: center; gap: 8px;
  margin-top: 16px; font-size: .9rem; color: rgba(255,255,255,.8);
}
.moa-inst-avatar {
  width: 28px; height: 28px; border-radius: 50%; object-fit: cover;
  border: 2px solid rgba(255,255,255,.3);
}

/* 수강신청 카드 */
.moa-enroll-card {
  background: var(--moa-card); color: var(--moa-text);
  border-radius: var(--moa-radius); box-shadow: var(--moa-shadow-lg);
  overflow: hidden; position: sticky; top: 80px;
}
.moa-enroll-thumb img { width: 100%; display: block; }
.moa-enroll-price { padding: 16px 20px 8px; }
.moa-price-num { font-size: 1.6rem; font-weight: 800; color: var(--moa-primary); }
.moa-price-free { font-size: 1.4rem; font-weight: 700; color: var(--moa-success); }

.moa-enroll-info {
  list-style: none; padding: 0 20px 20px;
  border-top: 1px solid var(--moa-border); margin-top: 12px; padding-top: 12px;
}
.moa-enroll-info li { font-size: .875rem; color: var(--moa-text-sub); padding: 5px 0; }

/* ─── Buttons ────────────────────────────────────── */
.moa-btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 10px 20px; border-radius: var(--moa-radius-sm);
  font-family: inherit; font-size: .9rem; font-weight: 600;
  cursor: pointer; border: 1.5px solid var(--moa-border);
  background: var(--moa-card); color: var(--moa-text);
  transition: all .2s; text-align: center;
  white-space: nowrap;
}
.moa-btn:hover { background: var(--moa-bg); }
.moa-btn-primary { background: var(--moa-primary); border-color: var(--moa-primary); color: #fff; }
.moa-btn-primary:hover { background: var(--moa-primary-h); border-color: var(--moa-primary-h); }
.moa-btn-enroll { background: var(--moa-accent); border-color: var(--moa-accent); color: #fff; width: calc(100% - 40px); margin: 0 20px 12px; font-size: 1rem; padding: 13px; }
.moa-btn-enroll:hover { background: var(--moa-accent-h); border-color: var(--moa-accent-h); }
.moa-btn-learning { background: var(--moa-primary); border-color: var(--moa-primary); color: #fff; width: calc(100% - 40px); margin: 0 20px 12px; font-size: 1rem; padding: 13px; }
.moa-btn-edit { width: calc(100% - 40px); margin: 0 20px 12px; }
.moa-btn-sm { padding: 6px 14px; font-size: .82rem; }
.moa-btn-xs { padding: 3px 10px; font-size: .75rem; }
.moa-btn-danger { background: #fff; color: var(--moa-danger); border-color: #fca5a5; }
.moa-btn-danger:hover { background: #fef2f2; }
.moa-btn-outline { background: transparent; border: 2px dashed var(--moa-border); color: var(--moa-text-sub); }
.moa-btn-outline:hover { border-color: var(--moa-primary); color: var(--moa-primary); background: #eff6ff; }

/* ─── Course Body / Sections ─────────────────────── */
.moa-course-body { padding: 40px 0; }
.moa-course-main { max-width: 760px; }

.moa-section { background: var(--moa-card); border-radius: var(--moa-radius); padding: 28px; margin-bottom: 24px; border: 1px solid var(--moa-border); }
.moa-section-title { font-size: 1.15rem; font-weight: 700; margin-bottom: 20px; padding-bottom: 14px; border-bottom: 2px solid var(--moa-border); }

.moa-course-desc { font-size: .95rem; line-height: 1.8; color: var(--moa-text); }

/* Curriculum */
.moa-section-block { border: 1px solid var(--moa-border); border-radius: var(--moa-radius-sm); margin-bottom: 8px; overflow: hidden; }
.moa-section-header {
  display: flex; align-items: center; gap: 10px;
  padding: 14px 18px; background: #f8fafc;
  cursor: pointer; font-size: .9rem; user-select: none;
}
.moa-section-header:hover { background: #f1f5f9; }
.moa-section-arrow { font-size: .7rem; color: var(--moa-text-sub); transition: transform .2s; }
.moa-section-count { margin-left: auto; font-size: .8rem; color: var(--moa-text-sub); }

.moa-lesson-list { list-style: none; display: none; }
.moa-lesson-list.open { display: block; }

.moa-lesson-item { border-top: 1px solid var(--moa-border); }
.moa-lesson-item a, .moa-lesson-locked {
  display: flex; align-items: center; gap: 10px;
  padding: 12px 18px; font-size: .875rem;
  transition: background .15s; cursor: pointer;
}
.moa-lesson-item a:hover { background: #f0f9ff; }
.moa-lesson-locked { color: var(--moa-text-sub); }
.moa-lesson-icon { font-size: .7rem; color: var(--moa-primary); flex-shrink: 0; }
.moa-lesson-name { flex: 1; }
.moa-lesson-dur { font-size: .78rem; color: var(--moa-text-sub); white-space: nowrap; }

/* ─── Review ─────────────────────────────────────── */
.moa-review-summary { margin-bottom: 20px; }
.moa-avg-rating { display: flex; align-items: center; gap: 10px; }
.moa-avg-num { font-size: 3rem; font-weight: 800; color: var(--moa-accent); line-height: 1; }
.moa-review-total { font-size: .85rem; color: var(--moa-text-sub); }

.moa-write-review { background: #f8fafc; border-radius: var(--moa-radius-sm); padding: 20px; margin-bottom: 24px; border: 1px solid var(--moa-border); }
.moa-write-review h3 { font-size: 1rem; font-weight: 700; margin-bottom: 12px; }

.moa-star-select { display: flex; flex-direction: row-reverse; justify-content: flex-end; gap: 4px; margin-bottom: 12px; }
.moa-star-select input { display: none; }
.moa-star-select label { font-size: 1.8rem; color: #d1d5db; cursor: pointer; transition: color .15s; }
.moa-star-select input:checked ~ label,
.moa-star-select label:hover,
.moa-star-select label:hover ~ label { color: #f59e0b; }

.moa-write-review textarea {
  width: 100%; padding: 10px 14px; border: 1.5px solid var(--moa-border);
  border-radius: var(--moa-radius-sm); font-family: inherit; font-size: .875rem;
  resize: vertical; min-height: 80px; margin-bottom: 10px; outline: none;
}
.moa-write-review textarea:focus { border-color: var(--moa-primary); }

.moa-review-item { padding: 18px 0; border-bottom: 1px solid var(--moa-border); }
.moa-review-item:last-child { border-bottom: none; }
.moa-review-header { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; }
.moa-reviewer { font-weight: 600; font-size: .9rem; }
.moa-review-date { font-size: .78rem; color: var(--moa-text-sub); margin-left: auto; }
.moa-review-content { font-size: .875rem; line-height: 1.7; color: var(--moa-text); }
.moa-empty-text { color: var(--moa-text-sub); font-size: .875rem; padding: 20px 0; }

/* ─── Mypage ─────────────────────────────────────── */
.moa-mypage-header {
  padding: 40px 0 0; margin-bottom: 24px;
}
.moa-user-info { display: flex; align-items: center; gap: 16px; }
.moa-avatar {
  width: 56px; height: 56px; border-radius: 50%;
  background: var(--moa-primary); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem; font-weight: 700;
}
.moa-user-info h2 { font-size: 1.3rem; font-weight: 700; }
.moa-user-info p { color: var(--moa-text-sub); font-size: .875rem; }

.moa-mypage-tabs {
  display: flex; gap: 4px; padding-bottom: 0; margin-bottom: 28px;
  border-bottom: 2px solid var(--moa-border);
}
.moa-tab {
  padding: 10px 20px; font-size: .9rem; font-weight: 600;
  color: var(--moa-text-sub); border-bottom: 3px solid transparent;
  margin-bottom: -2px; transition: all .15s;
}
.moa-tab:hover { color: var(--moa-primary); }
.moa-tab.active { color: var(--moa-primary); border-bottom-color: var(--moa-primary); }

.moa-my-course-list { display: flex; flex-direction: column; gap: 16px; padding-bottom: 40px; }
.moa-my-course-item {
  background: var(--moa-card); border: 1px solid var(--moa-border);
  border-radius: var(--moa-radius); padding: 16px;
  display: flex; gap: 16px; align-items: center;
}
.moa-my-course-thumb { width: 140px; height: 90px; object-fit: cover; border-radius: var(--moa-radius-sm); flex-shrink: 0; }
.moa-thumb-placeholder-sm {
  width: 140px; height: 90px; flex-shrink: 0; border-radius: var(--moa-radius-sm);
  background: #dbeafe; display: flex; align-items: center; justify-content: center;
  font-size: 1.8rem;
}
.moa-my-course-info { flex: 1; min-width: 0; }
.moa-my-course-info h3 { font-size: 1rem; font-weight: 700; margin-bottom: 4px; }
.moa-my-course-info h3 a:hover { color: var(--moa-primary); }
.moa-my-course-inst { font-size: .8rem; color: var(--moa-text-sub); margin-bottom: 10px; }
.moa-my-progress { display: flex; align-items: center; gap: 10px; margin-bottom: 6px; }
.moa-progress-track {
  flex: 1; height: 8px; background: var(--moa-border); border-radius: 50px; overflow: hidden;
}
.moa-progress-fill { height: 100%; background: var(--moa-primary); border-radius: 50px; transition: width .3s; }
.moa-my-progress > span { font-size: .78rem; color: var(--moa-text-sub); white-space: nowrap; }
.moa-my-course-stat { font-size: .78rem; color: var(--moa-text-sub); }
.moa-my-course-actions { display: flex; flex-direction: column; gap: 6px; flex-shrink: 0; }

/* ─── Tables ─────────────────────────────────────── */
.moa-table-wrap { overflow-x: auto; background: var(--moa-card); border-radius: var(--moa-radius); border: 1px solid var(--moa-border); margin-bottom: 24px; }
.moa-table { width: 100%; border-collapse: collapse; font-size: .875rem; }
.moa-table th { background: #f8fafc; padding: 12px 16px; text-align: left; font-weight: 600; border-bottom: 1.5px solid var(--moa-border); white-space: nowrap; }
.moa-table td { padding: 12px 16px; border-bottom: 1px solid var(--moa-border); vertical-align: middle; }
.moa-table tr:last-child td { border-bottom: none; }
.moa-table tr:hover td { background: #f9fafb; }

.moa-status-badge {
  display: inline-block; padding: 3px 10px; border-radius: 50px;
  font-size: .75rem; font-weight: 600;
}
.status-0 { background: #fee2e2; color: #dc2626; }
.status-1 { background: #dbeafe; color: #1d4ed8; }
.status-2 { background: #dcfce7; color: #16a34a; }

.moa-progress-mini { display: flex; align-items: center; gap: 8px; }
.moa-progress-mini .moa-progress-fill { height: 6px; }
.moa-progress-mini span { font-size: .75rem; color: var(--moa-text-sub); }
.moa-progress-mini { width: 120px; }
.moa-progress-mini .moa-progress-track { flex: 1; }

.moa-empty-td { text-align: center; padding: 40px; color: var(--moa-text-sub); }