/* =====================================================
   LEARN WING — Hub Page Styles
   Accent: #4A90D9 (blue)
   ===================================================== */

:root {
  --wing-accent: #4A90D9;
  --wing-accent-light: #6BA8E8;
  --wing-accent-bg: rgba(74, 144, 217, 0.12);
}

/* Layout */
.learn-hub {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem 3rem;
}

/* Hero */
.hub-hero {
  text-align: center;
  padding: 3rem 1rem 2rem;
  max-width: 700px;
  margin: 0 auto;
}

.hub-hero h1 {
  font-size: 2.5rem;
  font-weight: 800;
  color: #fff;
  margin: 0 0 1rem;
  line-height: 1.2;
}

.hub-hero .hero-subtitle {
  font-size: 1.2rem;
  color: var(--ag-text-muted, #9CA3AF);
  line-height: 1.6;
  margin: 0;
}

/* Sections */
.hub-section {
  margin-bottom: 2rem;
}

.hub-section h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: #fff;
  margin: 0 0 0.5rem;
}

.hub-section .section-subtitle {
  font-size: 1rem;
  color: var(--ag-text-muted, #9CA3AF);
  margin: 0 0 1.5rem;
}

/* Card Grid */
.hub-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

/* Individual Cards */
.hub-card {
  display: block;
  background: var(--ag-surface, #1a1f2e);
  border: 1px solid var(--ag-border, rgba(255,255,255,0.1));
  border-radius: 12px;
  padding: 2rem;
  text-decoration: none;
  color: inherit;
  transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
  position: relative;
}

.hub-card:hover {
  transform: translateY(-4px);
  border-color: var(--wing-accent);
  box-shadow: 0 8px 24px rgba(0,0,0,0.3);
}

.hub-card-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
  display: block;
}

.hub-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: #fff;
  margin: 0 0 0.75rem;
}

.hub-card p {
  font-size: 1rem;
  color: var(--ag-text-muted, #9CA3AF);
  line-height: 1.5;
  margin: 0 0 1rem;
}

.hub-card .card-meta {
  font-size: 0.875rem;
  color: var(--wing-accent);
  font-weight: 600;
}

/* Coming Soon Badge */
.coming-soon-badge {
  display: inline-block;
  background: var(--ag-warning, #D4A574);
  color: #000;
  font-size: 0.6875rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  position: absolute;
  top: 1rem;
  right: 1rem;
}

/* Progress Bar (Course Progress) */
.progress-bar-container {
  width: 100%;
  height: 10px;
  background: rgba(255,255,255,0.08);
  border-radius: 5px;
  overflow: hidden;
  margin-bottom: 0.75rem;
}

.progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--wing-accent), var(--wing-accent-light));
  border-radius: 5px;
  transition: width 0.6s ease;
}

.progress-text {
  font-size: 0.875rem;
  color: var(--ag-text-muted, #9CA3AF);
  margin: 0;
}

.login-cta {
  font-size: 0.9375rem;
  color: var(--ag-text-muted, #9CA3AF);
  font-style: italic;
  margin: 0;
}

/* Button */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s;
  min-height: 48px;
  border: none;
}

.btn-primary {
  background: var(--wing-accent);
  color: #fff;
}

.btn-primary:hover {
  background: var(--wing-accent-light);
}

/* Summary Cards (for stats) */
.summary-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1rem;
}

.summary-card {
  background: var(--ag-surface, #1a1f2e);
  border: 1px solid var(--ag-border, rgba(255,255,255,0.1));
  border-radius: 12px;
  padding: 1.5rem;
  text-align: center;
}

.summary-value {
  font-size: 2.5rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--wing-accent), var(--wing-accent-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
}

.summary-label {
  font-size: 0.875rem;
  color: var(--ag-text-muted, #9CA3AF);
  margin-top: 0.25rem;
}

/* Pillar Bar Chart */
.pillar-chart {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.pillar-bar-row {
  display: grid;
  grid-template-columns: 120px 1fr 40px;
  align-items: center;
  gap: 0.75rem;
}

.pillar-bar-label {
  font-size: 0.875rem;
  color: var(--ag-text-muted, #9CA3AF);
  text-align: right;
}

.pillar-bar-track {
  height: 12px;
  background: rgba(255,255,255,0.06);
  border-radius: 6px;
  overflow: hidden;
}

.pillar-bar-fill {
  height: 100%;
  border-radius: 6px;
  transition: width 0.6s ease;
  min-width: 2px;
}

.pillar-bar-count {
  font-size: 0.875rem;
  font-weight: 600;
  color: #fff;
  text-align: right;
}

/* Partner / Featured Card */
.partner-card {
  background: linear-gradient(135deg, rgba(212, 168, 75, 0.08), rgba(212, 168, 75, 0.02));
  border: 2px solid var(--ag-warning, #D4A574);
  border-radius: 12px;
  padding: 2rem;
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}

.partner-badge {
  display: inline-block;
  background: var(--ag-warning, #D4A574);
  color: #000;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 1rem;
}

.partner-card h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: #fff;
  margin: 0 0 0.75rem;
}

.partner-card p {
  font-size: 1rem;
  color: var(--ag-text-muted, #9CA3AF);
  line-height: 1.6;
  margin: 0 0 1.5rem;
}

/* Reassessment Alert */
.reassess-alert {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  background: rgba(212, 168, 75, 0.08);
  border: 1px solid var(--ag-warning, #D4A574);
  border-radius: 12px;
  padding: 1.25rem 1.5rem;
  margin-bottom: 2rem;
}

.reassess-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
}

.reassess-alert strong {
  display: block;
  color: var(--ag-warning, #D4A574);
  font-size: 1rem;
  margin-bottom: 0.25rem;
}

.reassess-alert p {
  color: var(--ag-text-muted, #9CA3AF);
  font-size: 0.9375rem;
  line-height: 1.5;
  margin: 0;
}

/* Footer */
.hub-footer {
  background: rgba(0,0,0,0.3);
  border-top: 1px solid var(--ag-border, rgba(255,255,255,0.1));
  padding: 2rem 1.5rem;
  text-align: center;
}

.hub-footer p {
  color: var(--ag-text-muted, #9CA3AF);
  font-size: 0.875rem;
  margin: 0;
}

.hub-footer a {
  color: #B4D7FF;
  text-decoration: none;
  padding: 12px 8px;
  display: inline-block;
}

.hub-footer a:hover {
  text-decoration: underline;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

/* =====================================================
   RESPONSIVE
   ===================================================== */

@media (max-width: 768px) {
  .hub-hero h1 {
    font-size: 2rem;
  }

  .hub-hero .hero-subtitle {
    font-size: 1rem;
  }

  .hub-cards {
    grid-template-columns: 1fr;
  }

  .summary-cards {
    grid-template-columns: 1fr 1fr;
  }

  .pillar-bar-row {
    grid-template-columns: 90px 1fr 36px;
  }
}

@media (max-width: 480px) {
  .learn-hub,
  .train-hub,
  .measure-hub {
    padding: 0 1rem 2rem;
  }

  .hub-hero {
    padding: 2rem 0.5rem 1.5rem;
  }

  .hub-hero h1 {
    font-size: 1.75rem;
  }

  .hub-card {
    padding: 1.5rem;
  }

  .summary-cards {
    grid-template-columns: 1fr;
  }

  .pillar-bar-row {
    grid-template-columns: 80px 1fr 30px;
    gap: 0.5rem;
  }

  .pillar-bar-label {
    font-size: 0.75rem;
  }
}

/* =====================================================
   KNOWLEDGE ARTICLE CARDS
   ===================================================== */

.knowledge-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.knowledge-card {
  display: block;
  background: var(--ag-surface, #1a1f2e);
  border: 1px solid var(--ag-border, rgba(255,255,255,0.1));
  border-radius: 12px;
  padding: 1.75rem;
  text-decoration: none;
  color: inherit;
  transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
}

.knowledge-card:hover {
  transform: translateY(-4px);
  border-color: var(--wing-accent);
  box-shadow: 0 8px 24px rgba(0,0,0,0.3);
}

.knowledge-card-category {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 3px 10px;
  border-radius: 4px;
  margin-bottom: 0.75rem;
  background: var(--wing-accent-bg, rgba(74, 144, 217, 0.12));
  color: var(--wing-accent, #4A90D9);
}

.knowledge-card-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: #fff;
  margin: 0 0 0.5rem;
  line-height: 1.3;
}

.knowledge-card-excerpt {
  font-size: 0.9375rem;
  color: var(--ag-text-muted, #9CA3AF);
  line-height: 1.5;
  margin: 0 0 1rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.knowledge-card-meta {
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.35);
}

.knowledge-card-meta span + span::before {
  content: '\00B7';
  margin: 0 0.5rem;
}

/* =====================================================
   COURSE WEEK OVERVIEW CARDS
   ===================================================== */

.course-week-cards {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.course-week-card {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  background: var(--ag-surface, #1a1f2e);
  border: 1px solid var(--ag-border, rgba(255,255,255,0.1));
  border-left: 4px solid transparent;
  border-radius: 12px;
  padding: 1.25rem 1.5rem;
  text-decoration: none;
  color: inherit;
  transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
}

.course-week-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(0,0,0,0.2);
}

.course-week-card.complete {
  border-left-color: #22c55e;
}

.course-week-card.in-progress {
  border-left-color: var(--wing-accent, #4A90D9);
}

.course-week-card.locked {
  opacity: 0.5;
  cursor: default;
}

.course-week-card.locked:hover {
  transform: none;
  box-shadow: none;
}

.course-week-number {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--wing-accent, #4A90D9);
  min-width: 48px;
  text-align: center;
}

.course-week-card.complete .course-week-number {
  color: #22c55e;
}

.course-week-info {
  flex: 1;
}

.course-week-title {
  font-size: 1.0625rem;
  font-weight: 700;
  color: #fff;
  margin: 0 0 0.25rem;
}

.course-week-desc {
  font-size: 0.875rem;
  color: var(--ag-text-muted, #9CA3AF);
  margin: 0;
  line-height: 1.4;
}

.course-week-status {
  flex-shrink: 0;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--ag-text-muted, #9CA3AF);
}

.course-week-card.complete .course-week-status {
  color: #22c55e;
}

.course-week-card.in-progress .course-week-status {
  color: var(--wing-accent, #4A90D9);
}

/* Responsive overrides for new components */
@media (max-width: 768px) {
  .knowledge-cards {
    grid-template-columns: 1fr;
  }

  .course-week-card {
    flex-wrap: wrap;
    gap: 0.75rem;
  }
}

@media (max-width: 480px) {
  .knowledge-card {
    padding: 1.25rem;
  }

  .course-week-card {
    padding: 1rem;
  }

  .course-week-number {
    font-size: 1.25rem;
    min-width: 36px;
  }
}