/**
 * Course Catalog Styles
 * Consistently using the portal design system.
 */

.course-catalog-page {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  min-height: auto;
  background: transparent;
  width: min(100%, 1280px);
  margin: 0 auto;
}

.course-catalog-page .courses-section {
  background: transparent;
  padding: 0;
}

/* Keep the catalog content flush with the sidebar instead of double-centering */
.course-catalog-page .courses-catalog-wrapper {
  width: 100%;
  max-width: none;
  margin: 0;
}

.course-catalog-page .courses-page-header-main {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.course-catalog-page .courses-page-header-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: var(--radius-lg);
  background: var(--accent-subtle);
  color: var(--accent);
  flex-shrink: 0;
}

.course-catalog-page .courses-page-header-icon svg {
  width: 28px;
  height: 28px;
}

.course-catalog-page .courses-catalog-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.course-catalog-page .courses-catalog-group-spaced {
  margin-bottom: 64px;
}

.course-catalog-page .courses-page-header {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  background: var(--surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
}

.course-catalog-page .courses-page-header .material-icons-outlined {
  font-size: 48px;
  color: var(--accent);
}

.course-catalog-page .courses-page-header h1 {
  margin: 0;
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.course-catalog-page .courses-page-header p {
  margin: var(--space-1) 0 0 0;
  color: var(--muted);
  font-size: 1.1rem;
  max-width: 72ch;
}

.course-catalog-page .courses-section-title {
  font-size: 1.5rem;
  font-weight: 800;
  margin: 0 0 var(--space-1);
  letter-spacing: -0.01em;
  color: var(--text);
  display: block;
  padding: 0;
  border: 0;
}

.course-catalog-page .courses-section-subtitle {
  color: var(--muted);
  margin-bottom: var(--space-5);
  font-size: 1rem;
}

.course-catalog-page .courses-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--space-6);
  max-width: none;
  margin: 0;
  width: 100%;
}

.course-catalog-page .course-card {
  background: var(--surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all 0.3s ease;
  box-shadow: var(--shadow-sm);
}

.course-catalog-page .course-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
  box-shadow: var(--shadow-md);
}

.course-catalog-page .course-card-header {
  position: relative;
  aspect-ratio: 16/9;
  background: var(--bg);
}

.course-catalog-page .course-card-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.course-catalog-page .course-card-cover-placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--accent-subtle) 0%, var(--bg) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}

.course-catalog-page .course-card-body {
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  flex: 1;
}

.course-catalog-page .course-title {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.3;
  color: var(--text);
}

.course-catalog-page .course-subtitle {
  font-size: 0.9rem;
  color: var(--muted);
  margin-top: var(--space-1);
  line-clamp: 2;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.course-catalog-page .course-meta {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: var(--space-2);
}

/* Progress Styles */
.course-catalog-page .progress-container {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.course-catalog-page .progress-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
}

.course-catalog-page .progress-label {
  font-weight: 600;
  color: var(--muted);
}

.course-catalog-page .progress-percentage {
  font-weight: 700;
  color: var(--accent);
}

.course-catalog-page .progress-bar {
  height: 8px;
  background: var(--bg);
  border-radius: 999px;
  overflow: hidden;
}

.course-catalog-page .progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent-strong));
  border-radius: 999px;
  transition: width 0.5s ease;
}

.course-catalog-page .course-card-action {
  padding: var(--space-5);
  padding-top: 0;
}

.course-catalog-page .continue-learning-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 12px;
  background: var(--accent);
  color: var(--text-on-accent);
  border-radius: var(--radius-md);
  font-weight: 700;
  text-decoration: none;
  transition: all 0.2s ease;
}

.course-catalog-page .continue-learning-btn:hover {
  background: var(--accent-strong);
  transform: scale(1.02);
}

.course-catalog-page .button-group {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2);
}

.course-catalog-page .preview-btn,
.course-catalog-page .buy-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 10px;
  border-radius: var(--radius-md);
  font-weight: 700;
  text-decoration: none;
  transition: all 0.2s ease;
}

.course-catalog-page .preview-btn {
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border-subtle);
}

.course-catalog-page .preview-btn:hover {
  background: var(--surface);
  border-color: var(--border);
}

.course-catalog-page .buy-btn {
  background: var(--accent);
  color: var(--text-on-accent);
}

.course-catalog-page .buy-btn:hover {
  background: var(--accent-strong);
}

@media (max-width: 768px) {
  .course-catalog-page .courses-page-header {
    padding: var(--space-5);
  }
  .course-catalog-page .courses-page-header-main {
    flex-direction: column;
    text-align: center;
  }
  .course-catalog-page .courses-grid {
    grid-template-columns: 1fr;
  }
  .course-catalog-page {
    max-width: 100%;
  }
}

/* ============================================
   COURSE LEARN PAGE STYLES
   ============================================ */

.learn-container {
  padding: var(--space-6);
  max-width: var(--content-max-width);
  margin: 0;
}

@media (min-width: 992px) {
  /* Internal View: Flush to sidebar */
  .app-shell.has-sidebar .learn-container {
    padding-left: 0;
    padding-right: var(--space-6);
  }

  /* Internal Course Detail View: Flush to sidebar */
  .app-shell.has-sidebar .course-detail-container {
    padding-left: 0;
    padding-right: 0;
  }
  .app-shell.has-sidebar .course-detail-container > section {
    padding-left: 0 !important;
    padding-right: 0 !important;
  }
  .app-shell.has-sidebar
    .course-detail-container
    > section
    > .course-detail-shell {
    margin-left: 0 !important;
    padding-left: 0 !important;
    max-width: none !important;
    width: 100% !important;
  }
}

.course-detail-container {
  padding-left: var(--space-4);
  padding-right: var(--space-4);
}

.course-detail-page {
  background: transparent;
  min-height: auto;
  width: min(100%, 1280px);
  margin: 0 auto;
}

.course-detail-shell {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.course-detail-block {
  width: 100%;
}

.course-detail-block--continue {
  margin-top: var(--space-2);
}

.course-detail-block--content {
  margin-top: var(--space-1);
}

.course-certificate-page {
  color: var(--text);
}

.course-certificate-card {
  color: var(--text);
}

.course-certificate-preview {
  color: var(--text);
}

.course-header {
  margin-bottom: var(--space-6);
}

.course-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: var(--space-2);
}

.progress-display {
  font-size: 14px;
  color: var(--muted);
}

.continue-section {
  background: var(--surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  margin-bottom: var(--space-8);
}

.continue-btn,
.module-btn,
.exam-btn {
  display: inline-flex;
  align-items: center;
  padding: 10px 20px;
  background: linear-gradient(
    135deg,
    var(--accent) 0%,
    var(--accent-strong) 100%
  );
  color: white;
  text-decoration: none;
  border-radius: var(--radius-md);
  font-weight: 600;
  transition: all 0.2s ease;
}

.continue-btn:hover,
.module-btn:hover,
.exam-btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.course-learn-page {
  width: 100%;
}

.course-learn-modules-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--space-6);
}

.course-learn-modules-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr));
  gap: var(--space-6);
  align-items: stretch;
}

.course-learn-grid-item {
  min-width: 0;
}

.course-learn-module-card {
  background: var(--surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  height: 100%;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.course-learn-module-header,
.course-learn-module-content {
  min-width: 0;
}

.course-learn-module-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text);
  text-decoration: none;
  line-height: 1.35;
}

.course-learn-module-title:hover {
  color: var(--accent);
}

.course-learn-module-badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-2);
}

.course-learn-badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  background: var(--accent-contrast);
  color: var(--accent);
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 500;
}

.course-learn-module-summary {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.6;
}

.course-learn-module-footer {
  margin-top: auto;
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
}

.course-learn-module-progress {
  font-size: 13px;
  color: var(--muted);
}

@media (min-width: 1200px) {
  .course-learn-modules-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .course-learn-module-footer {
    align-items: stretch;
  }

  .course-learn-module-footer .module-btn {
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 768px) {
  .course-detail-page {
    max-width: 100%;
  }
}