/* ─── CovenantU Shared Styles ─── */
@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;600;700;800&family=DM+Sans:wght@300;400;500;600&display=swap');

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

:root {
  --gold: #C8A245;
  --gold-light: #E8D5A0;
  --gold-dim: rgba(200, 162, 69, 0.15);
  --navy: #0A1628;
  --navy-mid: #132040;
  --navy-light: #1A2D55;
  --cream: #F5F0E8;
  --cream-dim: #E8E0D0;
  --white: #FFFFFF;
  --text-light: #B8C4D8;
  --danger: #E74C3C;
  --success: #27AE60;
}

body {
  font-family: 'DM Sans', sans-serif;
  background: var(--navy);
  color: var(--cream);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

.syne { font-family: 'Syne', sans-serif; }

a { color: var(--gold); text-decoration: none; transition: opacity 0.2s; }
a:hover { opacity: 0.8; }

/* ─── Top Navigation ─── */
.top-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 16px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(10, 22, 40, 0.9);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(200, 162, 69, 0.08);
}

.nav-logo {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--gold);
  letter-spacing: 2px;
  text-decoration: none;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-links a {
  font-size: 0.9rem;
  color: var(--text-light);
  transition: color 0.2s;
  text-decoration: none;
}

.nav-links a:hover { color: var(--cream); opacity: 1; }

.nav-links .nav-cta {
  padding: 8px 20px;
  background: var(--gold);
  color: var(--navy);
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.85rem;
  transition: transform 0.2s, box-shadow 0.2s;
}

.nav-links .nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(200, 162, 69, 0.3);
  opacity: 1;
}

/* ─── Page Container ─── */
.page {
  padding-top: 80px;
  min-height: 100vh;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ─── Page Header ─── */
.page-header {
  padding: 60px 0 40px;
  text-align: center;
}

.page-header .label {
  font-size: 12px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 16px;
}

.page-header h1 {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.page-header p {
  color: var(--text-light);
  font-weight: 300;
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ─── Filter Tabs ─── */
.filter-tabs {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.filter-tab {
  padding: 10px 22px;
  border: 1px solid rgba(200, 162, 69, 0.15);
  border-radius: 100px;
  background: transparent;
  color: var(--text-light);
  font-family: 'DM Sans', sans-serif;
  font-size: 0.88rem;
  cursor: pointer;
  transition: all 0.2s;
}

.filter-tab:hover {
  border-color: rgba(200, 162, 69, 0.4);
  color: var(--cream);
}

.filter-tab.active {
  background: var(--gold);
  color: var(--navy);
  border-color: var(--gold);
  font-weight: 600;
}

/* ─── Course Cards ─── */
.courses-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 20px;
  margin-bottom: 80px;
}

.course-card {
  background: var(--navy-mid);
  border-radius: 16px;
  padding: 32px 28px;
  border: 1px solid rgba(200, 162, 69, 0.06);
  transition: border-color 0.3s, transform 0.3s;
  cursor: pointer;
  text-decoration: none;
  color: inherit;
  display: block;
}

.course-card:hover {
  border-color: rgba(200, 162, 69, 0.25);
  transform: translateY(-4px);
  opacity: 1;
}

.course-card .card-level {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 100px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.level-ged { background: rgba(39, 174, 96, 0.15); color: #27AE60; }
.level-associate { background: rgba(52, 152, 219, 0.15); color: #3498DB; }
.level-bachelor { background: rgba(155, 89, 182, 0.15); color: #9B59B6; }
.level-doctoral { background: rgba(200, 162, 69, 0.15); color: var(--gold); }

.course-card .card-icon {
  font-size: 1.8rem;
  margin-bottom: 12px;
  display: block;
}

.course-card h3 {
  font-family: 'Syne', sans-serif;
  font-weight: 600;
  font-size: 1.1rem;
  color: var(--cream);
  margin-bottom: 10px;
  line-height: 1.3;
}

.course-card p {
  font-size: 0.85rem;
  color: var(--text-light);
  line-height: 1.6;
  font-weight: 300;
  margin-bottom: 16px;
}

.course-card .card-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 16px;
  border-top: 1px solid rgba(200, 162, 69, 0.06);
  font-size: 0.82rem;
}

.course-card .card-duration { color: var(--text-light); }
.course-card .card-price { color: var(--gold); font-weight: 600; }

/* ─── Buttons ─── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  border: none;
  border-radius: 10px;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
}

.btn-gold {
  background: var(--gold);
  color: var(--navy);
}

.btn-gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(200, 162, 69, 0.3);
  opacity: 1;
}

.btn-outline {
  background: transparent;
  color: var(--gold);
  border: 1px solid rgba(200, 162, 69, 0.3);
}

.btn-outline:hover {
  border-color: var(--gold);
  background: rgba(200, 162, 69, 0.08);
  opacity: 1;
}

.btn-sm {
  padding: 8px 18px;
  font-size: 0.85rem;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

/* ─── Forms ─── */
.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  color: var(--text-light);
  margin-bottom: 8px;
  font-weight: 500;
}

.form-group input {
  width: 100%;
  padding: 14px 18px;
  background: var(--navy-mid);
  border: 1px solid rgba(200, 162, 69, 0.12);
  border-radius: 10px;
  color: var(--cream);
  font-family: 'DM Sans', sans-serif;
  font-size: 0.95rem;
  transition: border-color 0.2s;
  outline: none;
}

.form-group input:focus {
  border-color: var(--gold);
}

.form-group input::placeholder {
  color: rgba(184, 196, 216, 0.4);
}

.form-card {
  max-width: 440px;
  margin: 0 auto 80px;
  background: var(--navy-mid);
  border-radius: 20px;
  padding: 48px 40px;
  border: 1px solid rgba(200, 162, 69, 0.08);
}

.form-card h2 {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 1.5rem;
  margin-bottom: 8px;
}

.form-card .form-subtitle {
  color: var(--text-light);
  font-size: 0.9rem;
  margin-bottom: 32px;
  font-weight: 300;
}

.form-error {
  padding: 12px 16px;
  background: rgba(231, 76, 60, 0.1);
  border: 1px solid rgba(231, 76, 60, 0.2);
  border-radius: 10px;
  color: #E74C3C;
  font-size: 0.88rem;
  margin-bottom: 16px;
  display: none;
}

.form-footer {
  margin-top: 24px;
  text-align: center;
  font-size: 0.88rem;
  color: var(--text-light);
}

/* ─── Alert ─── */
.alert {
  padding: 14px 20px;
  border-radius: 10px;
  font-size: 0.9rem;
  margin-bottom: 20px;
}

.alert-success {
  background: rgba(39, 174, 96, 0.1);
  border: 1px solid rgba(39, 174, 96, 0.2);
  color: #27AE60;
}

.alert-info {
  background: rgba(52, 152, 219, 0.1);
  border: 1px solid rgba(52, 152, 219, 0.2);
  color: #3498DB;
}

/* ─── Dashboard ─── */
.dashboard-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 40px;
}

.stat-card {
  background: var(--navy-mid);
  border-radius: 14px;
  padding: 24px;
  border: 1px solid rgba(200, 162, 69, 0.06);
}

.stat-card .stat-label {
  font-size: 0.8rem;
  color: var(--text-light);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.stat-card .stat-value {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 1.8rem;
  color: var(--gold);
}

/* ─── Lesson viewer ─── */
.lesson-content {
  background: var(--navy-mid);
  border-radius: 20px;
  padding: 48px;
  border: 1px solid rgba(200, 162, 69, 0.06);
  margin-bottom: 40px;
  line-height: 1.8;
}

.lesson-content h2 {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 1.6rem;
  margin-bottom: 20px;
  color: var(--cream);
}

.lesson-content h3 {
  font-family: 'Syne', sans-serif;
  font-weight: 600;
  font-size: 1.15rem;
  margin: 28px 0 12px;
  color: var(--gold-light);
}

.lesson-content p {
  margin-bottom: 16px;
  color: var(--cream-dim);
  font-weight: 300;
}

.lesson-content ul, .lesson-content ol {
  margin: 12px 0 16px 24px;
  color: var(--cream-dim);
}

.lesson-content li {
  margin-bottom: 8px;
  font-weight: 300;
}

.lesson-content strong { color: var(--cream); font-weight: 600; }

.lesson-content blockquote {
  margin: 24px 0;
  padding: 20px 24px;
  border-left: 3px solid var(--gold);
  background: rgba(200, 162, 69, 0.05);
  border-radius: 0 10px 10px 0;
  font-style: italic;
  color: var(--gold-light);
}

.lesson-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin-bottom: 80px;
}

/* ─── Module sidebar ─── */
.module-lessons {
  list-style: none;
}

.module-lessons li {
  margin-bottom: 4px;
}

.module-lessons a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  border-radius: 10px;
  color: var(--text-light);
  font-size: 0.9rem;
  transition: all 0.2s;
  text-decoration: none;
}

.module-lessons a:hover {
  background: rgba(200, 162, 69, 0.06);
  color: var(--cream);
  opacity: 1;
}

.module-lessons a.active {
  background: rgba(200, 162, 69, 0.1);
  color: var(--gold);
}

.module-lessons .lesson-duration {
  margin-left: auto;
  font-size: 0.78rem;
  color: rgba(184, 196, 216, 0.4);
}

/* ─── Empty State ─── */
.empty-state {
  text-align: center;
  padding: 60px 20px;
}

.empty-state .empty-icon {
  font-size: 3rem;
  margin-bottom: 16px;
  opacity: 0.5;
}

.empty-state h3 {
  font-family: 'Syne', sans-serif;
  font-weight: 600;
  margin-bottom: 8px;
}

.empty-state p {
  color: var(--text-light);
  font-size: 0.9rem;
  margin-bottom: 24px;
}

/* ─── Footer ─── */
.site-footer {
  padding: 40px 24px;
  text-align: center;
  border-top: 1px solid rgba(200, 162, 69, 0.08);
}

.site-footer .logo {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--gold);
  letter-spacing: 2px;
}

.site-footer p {
  margin-top: 8px;
  font-size: 0.8rem;
  color: rgba(184, 196, 216, 0.4);
}

/* ─── Loading ─── */
.loading {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-light);
}

.loading::after {
  content: '';
  display: inline-block;
  width: 24px;
  height: 24px;
  border: 2px solid rgba(200, 162, 69, 0.2);
  border-top-color: var(--gold);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin-left: 12px;
  vertical-align: middle;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ─── Mobile ─── */
@media (max-width: 768px) {
  .top-nav { padding: 12px 20px; }
  .nav-links { gap: 16px; }
  .nav-links a:not(.nav-cta) { display: none; }
  .courses-grid { grid-template-columns: 1fr; }
  .form-card { padding: 32px 24px; margin: 0 12px 80px; }
  .lesson-content { padding: 28px 20px; }
  .dashboard-stats { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 480px) {
  .page { padding-top: 64px; }
  .page-header { padding: 40px 0 24px; }
  .dashboard-stats { grid-template-columns: 1fr; }
}