/* Classes Page Styles - Original Design */

.classes-page {
  max-width: var(--content-max-width);
  margin: 0 auto;
  padding: var(--space-6) var(--space-4) var(--space-8);
  display: grid;
  gap: var(--space-6);
}

.classes-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.classes-title {
  margin: 0 0 var(--space-1);
  font-size: 1.75rem;
}

.classes-subtitle {
  margin: 0;
  color: var(--muted);
}

.classes-summary {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.classes-summary-item {
  min-width: 140px;
  padding: var(--space-3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
}

.classes-summary-label {
  color: var(--muted);
  font-size: 13px;
}

.classes-summary-value {
  font-size: 1.5rem;
  font-weight: 600;
}

.classes-section {
  display: grid;
  gap: var(--space-3);
}

.classes-section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.classes-section-title {
  margin: 0;
  font-size: 1.2rem;
}

.classes-section-subtitle {
  margin: var(--space-1) 0 0;
  color: var(--muted);
}

.classes-section-count {
  font-size: 13px;
  color: var(--muted);
}

.classes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--space-3);
}

.class-card {
  transition: all var(--dur-smooth) var(--ease-smooth);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  min-height: 100%;
}

.class-card:hover {
  border-color: color-mix(in oklab, var(--text) 20%, var(--border));
  box-shadow: 0 8px 20px color-mix(in oklab, var(--text) 8%, transparent);
}

.class-media {
  position: relative;
  width: 100%;
  height: 160px;
  overflow: hidden;
  background: color-mix(in oklab, var(--muted) 10%, transparent);
}

.class-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.class-image-container {
  height: 270px;
}
.class-image-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: color-mix(in oklab, var(--muted) 10%, transparent);
  color: var(--muted);
}

.tag {
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  border: 1px solid var(--border);
  background: color-mix(in oklab, var(--surface) 85%, transparent);
  color: var(--text);
}

.class-tags {
  position: absolute;
  top: 12px;
  left: 12px;
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

/* Class Content */
.class-content {
  padding: var(--space-4);
  display: grid;
  gap: var(--space-3);
  flex: 1;
}

.class-title {
  font-size: 1rem;
  font-weight: 600;
  margin: 0;
  color: var(--text);
  line-height: 1.4;
}

.class-title a {
  color: inherit;
  text-decoration: none;
}

.class-meta {
  display: grid;
  gap: 6px;
}

.meta-item {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--muted);
  font-size: 14px;
}

/* Class Action Button */
.class-actions {
  margin-top: auto;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

/* Section Headers */
.section-title {
  font-size: 24px;
  font-weight: 700;
  color: var(--text);
  margin: 32px 0 24px 0;
}

/* Empty States */
.empty-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: 60px 20px;
}

.empty-state-icon {
  font-size: 48px;
  margin-bottom: 16px;
  opacity: 0.5;
}

.empty-state-title {
  font-size: 20px;
  font-weight: 600;
  color: var(--text);
  margin: 0 0 8px 0;
}

.empty-state-subtitle {
  color: var(--muted);
  margin: 0;
}

/* Pagination Styles */
.pagination-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-3) var(--space-4);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  width: 100%;
  min-height: 56px;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.pagination-info {
  display: flex;
  flex-direction: column;
  font-size: 14px;
  color: var(--muted);
  font-weight: 500;
  min-width: 180px;
}

.page-info {
  font-size: 12px;
  margin-top: 2px;
}

.pagination-controls {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  flex-wrap: wrap;
}

.pagination-button {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 10px 12px;
  font-size: 13px;
  font-weight: 500;
  border-radius: 8px;
  text-decoration: none;
  transition: all 0.15s ease;
  user-select: none;
  cursor: pointer;
  min-width: 44px;
  text-align: center;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.pagination-button:hover {
  border-color: color-mix(in oklab, var(--text) 20%, var(--border));
  transform: translateY(-1px);
}

.pagination-button.active {
  background: var(--text);
  border: 1px solid var(--text);
  color: var(--bg);
  font-weight: 600;
  cursor: default;
}

.pagination-ellipsis {
  color: var(--muted);
  padding: 8px 4px;
  font-size: 13px;
  user-select: none;
}

.pagination-nav:hover {
  transform: translateY(-1px);
}

/* Class Detail Page Styles */
.class-detail-content {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: var(--space-8);
  margin-top: var(--space-6);
}

.class-detail-main {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.class-hero-image {
  position: relative;
  width: 100%;
  height: 400px;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--muted);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--dur-base) var(--ease);
}

.hero-image:hover {
  transform: scale(1.02);
}

.hero-image-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
}

.class-header {
  padding: var(--space-4) 0;
}

.class-badges {
  display: flex;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
  flex-wrap: wrap;
}

.class-category {
  background: linear-gradient(135deg, var(--accent) 0%, #2563eb 100%);
  color: white;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--space-2);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.class-family {
  background: var(--surface);
  color: var(--text);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--space-2);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border: 1px solid var(--border);
}

.class-variant {
  background: var(--muted);
  color: var(--text);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--space-2);
  font-size: 12px;
  font-weight: 600;
  text-transform: capitalize;
  letter-spacing: 0.5px;
}

.class-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
  margin: 0 0 var(--space-2) 0;
  line-height: 1.3;
}

.class-subtitle {
  font-size: 16px;
  color: var(--muted);
  margin: 0;
  line-height: 1.6;
}

.class-description {
  background: var(--surface);
  border-radius: var(--radius);
  padding: var(--space-5);
  border: 1px solid var(--border);
}

.class-description h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
  margin: 0 0 var(--space-3) 0;
}

.description-text {
  color: var(--muted);
  line-height: 1.7;
  font-size: 15px;
}

.class-recording {
  background: var(--surface);
  border-radius: var(--radius);
  padding: var(--space-5);
  border: 1px solid var(--border);
}

.class-recording h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
  margin: 0 0 var(--space-3) 0;
}

.recording-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: linear-gradient(135deg, var(--accent) 0%, #2563eb 100%);
  color: white;
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius);
  text-decoration: none;
  font-weight: 500;
  transition: all var(--dur-base) var(--ease);
  box-shadow: 0 2px 8px rgba(59, 130, 246, 0.3);
}

.recording-link:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
}

.class-detail-sidebar {
  position: sticky;
  top: 20px;
  height: fit-content;
}

.enrollment-card {
  background: var(--surface);
  border-radius: var(--radius);
  padding: var(--space-5);
  border: 1px solid var(--border);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.enrollment-status {
  text-align: center;
  margin-bottom: var(--space-4);
}

.status-badge {
  display: inline-block;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--space-2);
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.status-badge.free {
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
  color: white;
}

.status-badge.paid {
  background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
  color: white;
}

.status-badge.restricted {
  background: linear-gradient(135deg, #6366f1 0%, #4f46e5 100%);
  color: white;
}

.class-time-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
  padding-bottom: var(--space-5);
  border-bottom: 1px solid var(--border);
}

.time-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  color: var(--text);
}

.time-item svg {
  color: var(--accent);
  flex-shrink: 0;
  margin-top: 2px;
}

.time-label {
  font-size: 12px;
  color: var(--muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.time-value {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  margin-top: 2px;
}

.enrollment-action {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius);
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  transition: all var(--dur-base) var(--ease);
  border: none;
  cursor: pointer;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent) 0%, #2563eb 100%);
  color: white;
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(59, 130, 246, 0.4);
}

.btn-full {
  width: 100%;
}

.enrolled-status {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-4);
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
  color: white;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 15px;
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

/* Responsive Design */

/* Responsive Design */
@media (max-width: 1024px) {
  .class-card {
    flex: 0 0 calc(50% - 12px);
    max-width: calc(50% - 12px);
  }
}

@media (max-width: 768px) {
  .class-card {
    flex: 0 0 100%;
    max-width: 100%;
  }

  .pagination-container {
    flex-direction: column;
    gap: 16px;
    height: auto;
    min-height: 52px;
  }

  .pagination-info {
    order: -1;
  }
}

/* Class Detail Page Styles - Code IT Style */

/* Course Header Banner */
.course-header-banner {
  display: grid;
  grid-template-columns: 1fr 400px;
  gap: var(--space-6);
  padding: var(--space-6) 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: var(--space-6);
}

.header-left {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.header-badges {
  display: flex;
  gap: var(--space-2);
}

.upcoming-badge {
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
  color: white;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius);
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.course-title {
  font-size: 42px;
  font-weight: 800;
  color: var(--text);
  margin: 0;
  line-height: 1.2;
}

.course-subtitle {
  font-size: 18px;
  color: var(--muted);
  margin: 0;
  line-height: 1.5;
}

.course-meta {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.meta-tag {
  background: var(--muted);
  color: var(--text);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--space-1);
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.header-right {
  display: flex;
  align-items: flex-start;
  justify-content: center;
}

.header-image {
  width: 100%;
  height: 280px;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--muted);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.header-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.header-image-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
}

/* Course Info Card */
.course-info-card {
  background: var(--surface);
  border-radius: var(--radius);
  padding: var(--space-5);
  border: 1px solid var(--border);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.info-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--text);
  font-weight: 600;
  font-size: 15px;
}

.info-item svg {
  color: var(--accent);
}

.info-note {
  margin-top: var(--space-3);
  padding-top: var(--space-3);
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 14px;
  line-height: 1.6;
}

/* Seats Card */
.seats-card {
  background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
  border-radius: var(--radius);
  padding: var(--space-5);
  border: 1px solid #f59e0b;
  box-shadow: 0 4px 12px rgba(245, 158, 11, 0.2);
}

.seats-status {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: #92400e;
  font-weight: 700;
  font-size: 16px;
  margin-bottom: var(--space-3);
}

.seats-status svg {
  color: #d97706;
}

.early-bird {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: #92400e;
  font-size: 14px;
  font-weight: 600;
}

.early-bird svg {
  color: #dc2626;
  flex-shrink: 0;
}

/* Course Overview Section */
.course-overview-section {
  background: var(--surface);
  border-radius: var(--radius);
  padding: var(--space-6);
  border: 1px solid var(--border);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-4);
  border-bottom: 2px solid var(--border);
}

.section-title {
  font-size: 24px;
  font-weight: 700;
  color: var(--text);
  margin: 0;
}

.section-badge {
  background: linear-gradient(135deg, var(--accent) 0%, #2563eb 100%);
  color: white;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius);
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.overview-content h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
  margin: 0 0 var(--space-3) 0;
}

/* Recording Section */
.class-recording-section {
  background: var(--surface);
  border-radius: var(--radius);
  padding: var(--space-5);
  border: 1px solid var(--border);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.class-recording-section h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
  margin: 0 0 var(--space-3) 0;
}

/* Sidebar Card */
.enrollment-sidebar-card {
  background: var(--surface);
  border-radius: var(--radius);
  padding: var(--space-6);
  border: 1px solid var(--border);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.sidebar-header {
  text-align: center;
  margin-bottom: var(--space-5);
  padding-bottom: var(--space-5);
  border-bottom: 2px solid var(--border);
}

.sidebar-header h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
  margin: 0;
}

.included-items {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
  padding-bottom: var(--space-5);
  border-bottom: 1px solid var(--border);
}

.included-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--text);
  font-weight: 500;
  font-size: 14px;
}

.included-item svg {
  color: #10b981;
  flex-shrink: 0;
}

.class-time-sidebar {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
  padding-bottom: var(--space-5);
  border-bottom: 1px solid var(--border);
}

.time-sidebar-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
}

.time-sidebar-item svg {
  color: var(--accent);
  flex-shrink: 0;
  margin-top: 2px;
}

.time-sidebar-item div {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.sidebar-label {
  font-size: 11px;
  color: var(--muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.sidebar-value {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
}

.enrollment-sidebar-action {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.access-badge {
  text-align: center;
}

.badge {
  display: inline-block;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.badge.free {
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
  color: white;
}

.badge.paid {
  background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
  color: white;
}

.badge.restricted {
  background: linear-gradient(135deg, #6366f1 0%, #4f46e5 100%);
  color: white;
}

.enroll-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  width: 100%;
  padding: var(--space-4) var(--space-5);
  background: linear-gradient(135deg, var(--accent) 0%, #2563eb 100%);
  color: white;
  border: none;
  border-radius: var(--radius);
  font-size: 16px;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--dur-base) var(--ease);
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
}

.enroll-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(59, 130, 246, 0.5);
}

.enrolled-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-4);
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
  color: white;
  border-radius: var(--radius);
  font-weight: 700;
  font-size: 16px;
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.4);
}

/* Detail Page Responsive */
@media (max-width: 1024px) {
  .course-header-banner {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }

  .header-image {
    height: 200px;
  }

  .class-detail-content {
    grid-template-columns: 1fr;
  }

  .class-detail-sidebar {
    position: static;
  }

  .course-title {
    font-size: 32px;
  }
}

@media (max-width: 768px) {
  .course-title {
    font-size: 28px;
  }

  .course-subtitle {
    font-size: 16px;
  }

  .enrollment-sidebar-card {
    padding: var(--space-4);
  }

  .section-title {
    font-size: 20px;
  }
}