/* Course Form Styles */
.course-form-container {
  max-width: 800px;
  margin: 0 auto;
}

.course-form {
  background: white;
  border-radius: 16px;
  padding: 2rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  border: 1px solid var(--border);
}

.task-form-container {
  max-width: 800px;
  margin: 0 auto;
}

.task-form {
  background: white;
  border-radius: 16px;
  padding: 2rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  border: 1px solid var(--border);
}

.form-section {
  margin-bottom: 2rem;
  padding-bottom: 2rem;
}

.form-section + .form-section {
  border-top: 1px solid var(--border);
  padding-top: 2rem;
}

.section-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
}

.form-input {
  width: 100%;
  padding: 0.875rem 1rem;
  border: 2px solid var(--border);
  border-radius: 8px;
  font-size: 1rem;
  transition: all 0.3s ease;
  background: white;
  color: var(--text-primary);
}

.form-input:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(8, 145, 178, 0.1);
}

.form-textarea {
  width: 100%;
  padding: 0.875rem 1rem;
  border: 2px solid var(--border);
  border-radius: 8px;
  font-size: 1rem;
  transition: all 0.3s ease;
  background: white;
  color: var(--text-primary);
  resize: vertical;
  min-height: 100px;
  font-family: inherit;
}

.form-textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(8, 145, 178, 0.1);
}

.form-help {
  font-size: 0.8rem;
  color: var(--text-light);
  margin-top: 0.5rem;
}

/* Copy Notice */
.copy-notice {
  display: flex;
  align-items: center;
  gap: 12px;
  max-width: 1200px;
  margin: 0 auto 24px;
  padding: 16px 20px;
  background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
  border: 1px solid #bfdbfe;
  border-radius: 12px;
  color: #1e40af;
  font-size: 0.95rem;
  line-height: 1.5;
  box-shadow: 0 2px 8px rgba(59, 130, 246, 0.1);
}

.copy-notice svg {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  color: #3b82f6;
}

.copy-notice strong {
  color: #1e3a5f;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.radio-group {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.radio-option {
  position: relative;
}

.radio-option input[type="radio"] {
  position: absolute;
  opacity: 0;
  cursor: pointer;
}

.radio-label {
  display: block;
  padding: 1rem;
  border: 2px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.3s ease;
  background: white;
}

.radio-option input[type="radio"]:checked + .radio-label {
  border-color: var(--primary-color);
  background: var(--secondary-color);
}

.radio-content {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.radio-title {
  font-weight: 600;
  color: var(--text-primary);
}

.radio-description {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.input-with-button {
  display: flex;
  gap: 0.5rem;
}

.input-with-button .form-input {
  flex: 1;
}

.form-actions {
  display: flex;
  gap: 1rem;
  justify-content: flex-end;
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

/* Page Header */
.page-header {
  margin-bottom: 2rem;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.breadcrumb a {
  color: var(--primary-color);
  text-decoration: none;
  transition: color 0.2s ease;
}

.breadcrumb a:hover {
  color: var(--primary-dark);
}

.breadcrumb-separator {
  color: var(--text-light);
}

.breadcrumb-current {
  color: var(--text-primary);
  font-weight: 500;
}

/* Course Header Card */
.course-header-card {
  background: white;
  border-radius: 16px;
  padding: 2rem;
  margin-bottom: 2rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  border: 1px solid var(--border);
}

.course-header-content {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 2rem;
}

.course-info {
  flex: 1;
}

.course-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1rem;
  line-height: 1.2;
}

.course-instructor {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1rem;
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.course-instructor svg {
  color: var(--primary-color);
}

.course-description {
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text-secondary);
  max-width: 600px;
}

.course-progress-section {
  display: flex;
  align-items: center;
  gap: 2rem;
  flex-shrink: 0;
}

.progress-circle-container {
  position: relative;
}

.progress-circle {
  transform: rotate(-90deg);
}

.progress-fill {
  transition: stroke-dashoffset 0.5s ease;
}

.progress-text {
  font-size: 1.25rem;
  font-weight: 700;
  fill: var(--primary-color);
  text-anchor: middle;
  dominant-baseline: middle;
}

.progress-stats {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.stat-item {
  text-align: center;
}

.stat-number {
  display: block;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color);
  line-height: 1;
}

.stat-label {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-top: 0.25rem;
}

/* Content Section */
.content-section {
  background: white;
  border-radius: 16px;
  padding: 2rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  border: 1px solid var(--border);
}

.section-header {
  margin-bottom: 2rem;
}

.section-title {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.section-title svg {
  color: var(--primary-color);
}

.section-subtitle {
  color: var(--text-secondary);
  font-size: 1rem;
}

/* Course Cards */
.courses-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.course-card {
  background: white;
  border-radius: 16px;
  padding: 1.5rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  border: 1px solid var(--border);
  transition: all 0.3s ease;
  position: relative;
}

.course-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

.course-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1rem;
  gap: 0.5rem;
}

.course-card-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  margin-bottom: 1rem;
}

.course-card-body .course-name {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  line-height: 1.4;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.course-card-body .course-description {
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 1rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.course-card-body .course-details {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.course-hst {
  display: block;
  font-size: 0.8rem;
  color: var(--text-light);
  font-weight: 400;
}

.course-card-body .course-date {
  display: block;
  font-size: 0.85rem;
  color: var(--text-light);
  margin-top: 0.75rem;
}

.course-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.course-menu-btn {
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  border-radius: 6px;
  color: var(--text-light);
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
}

.course-menu-btn:hover {
  background: var(--surface);
  color: var(--text-primary);
}

.course-status-badge {
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
}

.course-status-badge.archived {
  background: #f3f4f6;
  color: #6b7280;
}

.course-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1rem;
}

.course-type-badge {
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
}

.course-type-badge.public {
  background: #dcfce7;
  color: #16a34a;
}

.course-type-badge.private {
  background: #fef3c7;
  color: #d97706;
}

.course-menu {
  position: relative;
}

.menu-btn {
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  border-radius: 6px;
  color: var(--text-light);
  transition: all 0.3s ease;
}

.menu-btn:hover {
  background: var(--surface);
  color: var(--text-primary);
}

.course-menu-dropdown {
  position: absolute;
  top: 100%;
  right: 0;
  background: white;
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
  min-width: 150px;
  z-index: 100;
  display: none;
}

.course-menu-dropdown.show {
  display: block;
}

.menu-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  text-decoration: none;
  color: var(--text-primary);
  font-size: 0.9rem;
  border: none;
  background: none;
  width: 100%;
  text-align: left;
  cursor: pointer;
  transition: background 0.3s ease;
}

.menu-item:hover {
  background: var(--surface);
}

.menu-item.delete {
  color: #ef4444;
}

.menu-item.delete:hover {
  background: #fee2e2;
}

.course-content {
  margin-bottom: 1.5rem;
}

.course-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  line-height: 1.4;
}

.course-description {
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 1rem;
}

.course-details {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.course-price,
.course-code,
.course-created {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.9rem;
}

.price-label,
.code-label,
.created-label {
  color: var(--text-light);
}

.price-value {
  font-weight: 600;
  color: var(--primary-color);
}

.code-value {
  font-family: "Courier New", monospace;
  background: var(--surface);
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  font-weight: 600;
}

.created-value {
  color: var(--text-secondary);
}

.course-actions {
  display: flex;
  gap: 0.75rem;
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

/* Assignments Grid */
.assignments-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 1.5rem;
}

.assignment-card {
  background: white;
  border-radius: 12px;
  padding: 1.5rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  border: 1px solid var(--border);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.assignment-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

.assignment-card.overdue {
  border-left: 4px solid #ef4444;
}

.assignment-card.due_soon {
  border-left: 4px solid #f59e0b;
}

.assignment-card.active {
  border-left: 4px solid var(--primary-color);
}

/* Assignment Menu Dropdown */
.assignment-menu {
  position: relative;
}

.assignment-menu-dropdown {
  position: absolute;
  top: 100%;
  right: 0;
  background: white;
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
  min-width: 180px;
  z-index: 100;
  display: none;
  overflow: hidden;
}

.assignment-menu-dropdown.show {
  display: block;
  animation: dropdownFadeIn 0.2s ease-out;
}

@keyframes dropdownFadeIn {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.assignment-menu-dropdown .menu-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.875rem 1rem;
  text-decoration: none;
  color: var(--text-primary);
  font-size: 0.9rem;
  border: none;
  background: none;
  width: 100%;
  text-align: left;
  cursor: pointer;
  transition: all 0.2s ease;
  border-bottom: 1px solid var(--border);
}

.assignment-menu-dropdown .menu-item:last-child {
  border-bottom: none;
}

.assignment-menu-dropdown .menu-item:hover {
  background: var(--surface);
  color: var(--primary-color);
}

.assignment-menu-dropdown .menu-item.delete {
  color: #ef4444;
}

.assignment-menu-dropdown .menu-item.delete:hover {
  background: #fef2f2;
  color: #dc2626;
}

.assignment-menu-dropdown .menu-item svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.assignment-header {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.assignment-status-badge {
  padding: 0.375rem 0.875rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border: 1px solid transparent;
}

.assignment-status-badge.overdue {
  background: linear-gradient(135deg, #fef2f2 0%, #fee2e2 100%);
  color: #dc2626;
  border-color: #fecaca;
}

.assignment-status-badge.due_soon {
  background: linear-gradient(135deg, #fffbeb 0%, #fef3c7 100%);
  color: #d97706;
  border-color: #fed7aa;
}

.assignment-status-badge.active {
  background: linear-gradient(135deg, var(--secondary-color) 0%, #e0f2fe 100%);
  color: var(--primary-color);
  border-color: #bae6fd;
}

.assignment-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
}

.assignment-description {
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1rem;
}

.assignment-meta {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.meta-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.meta-item svg {
  color: var(--primary-color);
}

.assignment-progress-bar {
  margin-bottom: 1.5rem;
}

.progress-bar {
  width: 100%;
  height: 8px;
  background: var(--border);
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 0.5rem;
}

.progress-fill {
  height: 100%;
  background: var(--primary-color);
  transition: width 0.3s ease;
}

.progress-label {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.assignment-actions {
  margin-top: auto;
}

/* Empty State Improvements */
.empty-state {
  text-align: center;
  padding: 4rem 2rem;
  background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
  border-radius: 16px;
  border: 2px dashed var(--border);
  margin: 2rem 0;
}

.empty-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 1.5rem;
  background: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-light);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.empty-title {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}

.empty-description {
  color: var(--text-secondary);
  margin-bottom: 2rem;
  max-width: 400px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.6;
  font-size: 1rem;
}

/* Responsive Design */
@media (max-width: 768px) {
  .course-header-content {
    flex-direction: column;
    gap: 1.5rem;
  }

  .course-progress-section {
    align-self: center;
    justify-content: center;
  }

  .assignments-grid {
    grid-template-columns: 1fr;
  }

  .course-title {
    font-size: 1.5rem;
  }

  .course-header-card {
    padding: 1.5rem;
  }

  .content-section {
    padding: 1.5rem;
  }

  .toast {
    right: 10px;
    left: 10px;
    min-width: auto;
    max-width: none;
  }

  .assignment-menu-dropdown {
    right: -10px;
    min-width: 160px;
  }

  .empty-state {
    padding: 2rem 1rem;
  }

  .empty-icon {
    width: 60px;
    height: 60px;
  }

  .empty-title {
    font-size: 1.25rem;
  }
}

@media (max-width: 480px) {
  .course-header-card {
    padding: 1rem;
  }

  .content-section {
    padding: 1rem;
  }

  .assignment-card {
    padding: 1rem;
  }

  .course-title {
    font-size: 1.25rem;
  }
}

/* Additional styles for better spacing and layout */
.form-select {
  width: 100%;
  padding: 0.875rem 1rem;
  border: 2px solid var(--border);
  border-radius: 8px;
  font-size: 1rem;
  background-color: white;
  color: var(--text-primary);
  transition: all 0.3s ease;
}

.form-select:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(8, 145, 178, 0.1);
}

.form-select[multiple] {
  min-height: 120px;
  padding: 0.5rem;
}

.form-select[multiple] option {
  padding: 0.5rem;
  margin: 0.25rem 0;
  border-radius: 4px;
  background: white;
  color: var(--text-primary);
}

.form-select[multiple] option:checked {
  background: var(--primary-color);
  color: white;
}

.form-select[multiple] option:hover {
  background: var(--surface);
  color: var(--primary-color);
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
}

.form-checkbox {
  width: 1.125rem;
  height: 1.125rem;
  border: 2px solid var(--border);
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.3s ease;
  flex-shrink: 0;
  appearance: none;
  position: relative;
}

.form-checkbox:checked {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
}

.form-checkbox:checked::after {
  content: "";
  position: absolute;
  top: 2px;
  left: 6px;
  width: 5px;
  height: 10px;
  border: solid white;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.form-checkbox:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(8, 145, 178, 0.1);
}

.checkbox-text {
  user-select: none;
}

.form-select.error,
.form-checkbox.error {
  border-color: #ef4444;
}

.form-select.error:focus,
.form-checkbox.error:focus {
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.course-type-badge.pending {
  background: #fef08a;
  color: #92400e;
}

.course-card.pending {
  border: 2px solid #f59e0b;
  background: #fffbeb;
  box-shadow: 0 4px 12px rgba(245, 158, 11, 0.15);
}

.course-card.pending .course-content {
  padding: 0.5rem 0;
}

.student-course-card {
  position: relative;
  display: flex;
  flex-direction: column;
  height: auto;
  min-height: 280px;
  padding: 1.5rem;
}

.student-course-card .course-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1rem;
}

.student-course-card .course-progress-circle {
  flex-shrink: 0;
}

.student-course-card .course-content {
  flex: 1;
  margin-bottom: 1rem;
}

.student-course-card .course-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  line-height: 1.4;
}

.student-course-card .course-instructor {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 0.75rem;
  font-style: italic;
}

.student-course-card .course-description {
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 1rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.student-course-card .course-stats {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
  padding: 1rem;
  background: var(--surface);
  border-radius: 8px;
}

.student-course-card .stat-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.875rem;
}

.student-course-card .stat-label {
  color: var(--text-light);
  font-weight: 500;
}

.student-course-card .stat-value {
  font-weight: 600;
  color: var(--text-primary);
}

.student-course-card .course-actions {
  margin-top: auto;
}

.progress-ring {
  transform: rotate(-90deg);
  width: 50px;
  height: 50px;
}

.progress-ring-circle {
  stroke-dasharray: 100.53;
  stroke-dashoffset: 100.53;
  transition: stroke-dashoffset 0.5s ease;
  stroke: #e5e7eb;
  stroke-width: 4;
  fill: transparent;
}

.progress-ring-circle.progress-fill {
  stroke: var(--primary-color);
}

.progress-text {
  font-size: 12px;
  fill: var(--primary-color);
  font-weight: 600;
  text-anchor: middle;
  dominant-baseline: middle;
}

/* Pending card highlight */
.course-card.pending {
  border: 2px solid #facc15; /* amber-400 */
  border-radius: 14px;
  background: #fff;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

/* Tighter consistent margins */

/* Title spacing for pending block */
.pending-title {
  font-size: 20px;
  font-weight: 600;
  margin: 40px 0 10px 0;
  color: #1f2937;
}

/* --- Pending Verification Cards --- */
.pending-verifications {
  margin-bottom: 2.5rem;
}

.pending-verifications .section-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.1rem;
  font-weight: 600;
  color: #92400e;
  margin-bottom: 1rem;
}

.pending-verifications .section-title svg {
  color: #f59e0b;
}

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

.pending-card {
  background: #fffbeb;
  border: 2px solid #fcd34d;
  border-radius: 14px;
  padding: 1.25rem 1.5rem;
  box-shadow: 0 2px 8px rgba(245, 158, 11, 0.12);
  transition: all 0.3s ease;
}

.pending-card:hover {
  box-shadow: 0 4px 16px rgba(245, 158, 11, 0.2);
  transform: translateY(-2px);
}

.pending-card-header {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 0.75rem;
}

.pending-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #fef3c7;
  border-radius: 10px;
  color: #d97706;
}

.pending-info {
  flex: 1;
  min-width: 0;
}

.pending-info h3 {
  font-size: 1rem;
  font-weight: 600;
  color: #1f2937;
  margin: 0 0 0.25rem 0;
  line-height: 1.3;
}

.pending-email {
  font-size: 0.85rem;
  color: #6b7280;
  margin: 0;
}

.pending-details {
  display: flex;
  gap: 1.5rem;
  padding: 0.75rem 0;
  margin: 0 0 1rem 0;
  border-top: 1px solid #fde68a;
  border-bottom: 1px solid #fde68a;
}

.pending-label {
  font-size: 0.8rem;
  color: #92400e;
  font-weight: 500;
}

.course-title,
.course-description {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
  display: block;
}

@media (max-width: 768px) {
  .courses-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .student-course-card {
    min-height: auto;
  }

  .student-course-card .course-header {
    flex-direction: column;
    gap: 1rem;
    align-items: flex-start;
  }

  .student-course-card .course-progress-circle {
    align-self: flex-end;
  }

  .student-course-card .course-stats {
    margin: 1rem 0;
  }
}

/* Assignment and Task Styles */
.assignments-section,
.tasks-section {
  background: white;
  border-radius: 12px;
  border: 1px solid var(--border);
  overflow: hidden;
  margin-bottom: 2rem;
}

.assignments-list,
.tasks-list {
  padding: 0;
}

.assignment-card,
.task-card {
  padding: 1.5rem;
  border-bottom: 1px solid var(--border);
  transition: background 0.2s ease;
}

.assignment-card:hover,
.task-card:hover {
  background: var(--surface);
  border-color: transparent;
}

.assignment-card:last-child,
.task-card:last-child {
  border-bottom: none;
}

.assignment-header,
.task-header {
  display: flex;
  justify-content: between;
  align-items: flex-start;
  margin-bottom: 1rem;
}

.assignment-title,
.task-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
  flex: 1;
}

.assignment-actions,
.task-actions {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.assignment-content,
.task-content {
  color: var(--text-secondary);
}

.assignment-description,
.task-description {
  margin-bottom: 1rem;
  line-height: 1.6;
}

.assignment-details,
.task-details {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
}

.assignment-detail,
.task-detail {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.875rem;
}

.detail-label {
  color: var(--text-light);
  font-weight: 500;
}

.detail-value {
  color: var(--text-primary);
  font-weight: 600;
}

/* Assignment Form Styles */
.assignment-form-container,
.task-form-container {
  max-width: 800px;
  margin: 0 auto;
}

.assignment-form,
.task-form {
  background: white;
  border-radius: 12px;
  border: 1px solid var(--border);
  padding: 2rem;
}

.form-section {
  margin-bottom: 2rem;
  padding-bottom: 2rem;
}

.form-section + .form-section {
  border-top: 1px solid var(--border);
  padding-top: 2rem;
}

.section-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.section-description {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  font-size: 0.9rem;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.form-label {
  display: block;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 0.75rem;
  border: 2px solid var(--border);
  border-radius: 8px;
  font-size: 0.9rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  background: white;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-textarea {
  resize: vertical;
  min-height: 100px;
}

.form-select[multiple] {
  min-height: 120px;
}

.form-help {
  font-size: 0.8rem;
  color: var(--text-light);
  margin-top: 0.25rem;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  font-weight: 500;
}

.checkbox-text {
  color: var(--text-primary);
}

.form-actions {
  display: flex;
  justify-content: flex-end;
  gap: 1rem;
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

/* Tasks Container */
.tasks-container {
  margin-bottom: 1.5rem;
}

.task-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem;
  margin-bottom: 1rem;
}

.task-item:last-child {
  margin-bottom: 0;
}

.task-marks {
  background: var(--primary);
  color: white;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  font-size: 0.8rem;
  font-weight: 600;
}

.task-badge {
  display: inline-block;
  background: var(--secondary);
  color: white;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
  margin-top: 0.5rem;
}

.task-badge.new {
  background: var(--success);
}

.add-task-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  padding: 1rem;
  border: 2px dashed var(--border);
  border-radius: 8px;
  background: var(--surface);
}

/* Modal Styles */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.modal-content {
  background: white;
  border-radius: 12px;
  width: 90%;
  max-width: 600px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

.modal-content.large {
  max-width: 800px;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem;
  border-bottom: 1px solid var(--border);
}

.modal-header h3 {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
}

.modal-close {
  background: none;
  border: none;
  padding: 0.5rem;
  cursor: pointer;
  color: var(--text-light);
  border-radius: 4px;
  transition: background 0.2s ease;
}

.modal-close:hover {
  background: var(--surface);
}

.modal-body {
  padding: 1.5rem;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 1rem;
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  padding: 16px;
  border-top: 1px solid #e5e7eb;
  background-color: #fff;
}

/* Confirm/Warning Modal */
.confirm-modal-content {
  max-width: 420px;
  text-align: center;
  padding: 2rem 1.5rem 1.5rem;
}

.confirm-modal-content .modal-icon-wrap {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
}

.confirm-modal-content .modal-icon-wrap.warning {
  background: #fef3c7;
  color: #d97706;
}

.confirm-modal-content .modal-icon-wrap.danger {
  background: #fee2e2;
  color: #dc2626;
}

.confirm-modal-content .modal-icon-wrap.info {
  background: #dbeafe;
  color: #2563eb;
}

.confirm-modal-content h3 {
  margin: 0 0 0.5rem;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
}

.confirm-modal-content p {
  margin: 0 0 1.5rem;
  color: #6b7280;
  font-size: 0.9rem;
  line-height: 1.5;
}

.confirm-modal-content .course-summary {
  background: #f9fafb;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  padding: 0.75rem 1rem;
  margin-bottom: 1.5rem;
  text-align: left;
  font-size: 0.875rem;
}

.confirm-modal-content .course-summary div {
  display: flex;
  justify-content: space-between;
  padding: 0.25rem 0;
}

.confirm-modal-content .course-summary div + div {
  border-top: 1px solid #e5e7eb;
}

.confirm-modal-content .course-summary .label {
  color: #6b7280;
}

.confirm-modal-content .course-summary .value {
  font-weight: 600;
  color: var(--text-primary);
}

.confirm-modal-content .modal-actions {
  justify-content: center;
  margin-top: 0;
  padding-top: 0;
  border-top: none;
}

.btn-warning {
  border-color: #d97706;
  color: #d97706;
}

.btn-warning:hover {
  background: #d97706;
  color: white;
}

/* Existing Tasks List */
.existing-tasks-list {
  max-height: 400px;
  overflow-y: auto;
}

.existing-task-item {
  padding: 1rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-bottom: 0.5rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.existing-task-item:hover {
  background: var(--surface);
  border-color: var(--primary);
}

.existing-task-item:last-child {
  margin-bottom: 0;
}

.existing-task-item h4 {
  margin: 0 0 0.5rem 0;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
}

.existing-task-item p {
  margin: 0 0 0.5rem 0;
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.4;
}

.task-meta {
  font-size: 0.8rem;
  color: var(--text-light);
}

/* Tasks Grid */
.tasks-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 1.5rem;
}

.task-card {
  background: white;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
  transition: all 0.2s ease;
  position: relative;
  overflow: hidden;
}

.task-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-color), #0891b2);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}

.task-card:hover::before {
  transform: scaleX(1);
}

.task-card:hover {
  border-color: transparent;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  transform: translateY(-2px);
}

/* Empty State */

/* Utility Classes */
.hidden {
  display: none !important;
}

/* Button Variants */
.btn-secondary {
  background: #f1f5f9;
  color: #475569;
  border: 2px solid #e2e8f0;
}

.btn-secondary:hover {
  background: #e2e8f0;
  border-color: #cbd5e1;
  transform: translateY(-1px);
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: 1rem;
}

/* Loading States */
.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  pointer-events: none;
}

.btn .animate-spin {
  animation: spin 1s linear infinite;
}

@keyframes spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

/* Toast Notifications - Enhanced */
.toast {
  position: fixed;
  top: 20px;
  right: 20px;
  min-width: 320px;
  max-width: 500px;
  padding: 1rem 1.5rem;
  border-radius: 12px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  animation: slideInRight 0.3s ease-out;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

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

.toast-error {
  background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
  color: white;
}

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

.toast-info {
  background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
  color: white;
}

.toast-content {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex: 1;
  font-weight: 500;
}

.toast-close {
  background: none;
  border: none;
  color: inherit;
  cursor: pointer;
  padding: 0.25rem;
  border-radius: 6px;
  opacity: 0.8;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.toast-close:hover {
  opacity: 1;
  background: rgba(255, 255, 255, 0.1);
  transform: scale(1.1);
}

@keyframes slideInRight {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

.empty-state {
  text-align: center;
  padding: 4rem 2rem;
  background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
  border-radius: 16px;
  border: 2px dashed var(--border);
  margin: 2rem 0;
}

.empty-icon {
  margin-bottom: 1rem;
  color: var(--text-light);
}

.empty-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.empty-description {
  margin-bottom: 1.5rem;
  max-width: 400px;
  margin-left: auto;
  margin-right: auto;
}

/* Loading Animation */
.animate-spin {
  animation: spin 1s linear infinite;
}

@keyframes spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

/* Responsive Design */
@media (max-width: 768px) {
  .assignment-header,
  .task-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }

  .assignment-actions,
  .task-actions {
    width: 100%;
    justify-content: flex-start;
  }

  .assignment-details,
  .task-details {
    grid-template-columns: 1fr;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .form-actions {
    flex-direction: column-reverse;
  }

  .add-task-buttons {
    flex-direction: column;
  }

  .modal-content {
    width: 95%;
    margin: 1rem;
  }

  .tasks-grid {
    grid-template-columns: 1fr;
  }
}

/* Course Overview Styles */
.course-overview {
  margin-bottom: 2rem;
}

.overview-card {
  background: white;
  border-radius: 12px;
  border: 1px solid var(--border);
  overflow: hidden;
}

.overview-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem;
  border-bottom: 1px solid var(--border);
}

.overview-header h3 {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
}

.course-type-badge {
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.course-type-badge.public {
  background: #dbeafe;
  color: #1e40af;
}

.course-type-badge.private {
  background: #f3e8ff;
  color: #7c3aed;
}

.overview-content {
  padding: 1.5rem;
}

.course-description {
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.course-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.stat-item {
  text-align: center;
  padding: 1rem;
  background: var(--surface);
  border-radius: 8px;
}

.stat-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 0.25rem;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-light);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.share-section {
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}

.share-label {
  display: block;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
}

.share-input-group {
  display: flex;
  gap: 0.5rem;
}

.share-input {
  flex: 1;
  padding: 0.75rem;
  border: 2px solid var(--border);
  border-radius: 8px;
  font-size: 0.9rem;
  background: var(--surface);
  color: var(--text-secondary);
}

.share-input:focus {
  outline: none;
  border-color: var(--primary);
}

/* Section Header */
.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem;
  border-bottom: 1px solid var(--border);
}

.section-header h3 {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
}

@media (max-width: 768px) {
  .overview-header,
  .section-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }

  .course-stats {
    grid-template-columns: repeat(2, 1fr);
  }

  .share-input-group {
    flex-direction: column;
  }
}

/* ── Create Course Redesign ── */
.create-course-layout {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 26px;
  align-items: start;
}
.create-course-main {
  display: flex;
  flex-direction: column;
  gap: 20px;
  min-width: 0;
}
.create-course-aside {
  position: sticky;
  top: 88px;
  align-self: start;
  display: flex;
  flex-direction: column;
  gap: 18px;
  max-height: calc(100vh - 88px - 100px);
}

.section-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 28px 32px;
  animation: rise 0.3s ease both;
}
@keyframes rise {
  from { opacity: 0; transform: translateY(5px); }
  to { opacity: 1; transform: none; }
}
.section-card h2 {
  font-size: 16.5px;
  font-weight: 700;
  margin: 0 0 4px;
  color: var(--text-primary);
}
.section-sub {
  font-size: 12.5px;
  color: var(--text-secondary);
  margin: 0 0 20px;
}
.private-flag {
  display: inline-block;
  font-size: 10.5px;
  font-weight: 700;
  color: var(--primary-dark);
  background: var(--secondary-color);
  padding: 2px 8px;
  border-radius: 100px;
  margin-left: 8px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  vertical-align: 2px;
}

.field {
  margin-bottom: 18px;
}
.field:last-child {
  margin-bottom: 0;
}
.field label {
  display: block;
  font-size: 13px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 7px;
}
.field label .req {
  color: #e0435c;
}
.field label .opt {
  display: inline-block;
  font-size: 10.5px;
  font-weight: 700;
  color: var(--text-secondary);
  background: #f1f3f6;
  padding: 1px 7px;
  border-radius: 100px;
  margin-left: 6px;
  letter-spacing: 0.02em;
  vertical-align: 2px;
}
.hint {
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 6px;
  line-height: 1.5;
}
.row-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.row-with-btn {
  display: flex;
  gap: 10px;
}
.row-with-btn input {
  flex: 1;
}

.prefix-input {
  position: relative;
}
.prefix-input span {
  position: absolute;
  left: 13px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-secondary);
  font-size: 14px;
  pointer-events: none;
}
.prefix-input input {
  padding-left: 25px;
}

.counter {
  display: flex;
  justify-content: flex-end;
  font-size: 11px;
  color: var(--text-light);
  margin-top: 5px;
}

/* Type selection cards */
.type-grid {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.type-card {
  position: relative;
  border: 1.4px solid var(--border);
  border-radius: 10px;
  padding: 16px 18px;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}
.type-card:hover {
  border-color: var(--text-light);
}
.type-card strong {
  display: block;
  font-size: 14.5px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 2px;
}
.type-card span {
  font-size: 13px;
  color: var(--text-secondary);
}
.type-card.selected {
  border-color: #3b8fd6;
  background: #e5f2fe;
}

.type-grid-disabled .type-card {
  cursor: default;
  pointer-events: none;
  opacity: 0.85;
}

.type-grid-disabled .type-card:hover {
  border-color: var(--border);
}

.type-grid-disabled .type-card.selected {
  border-color: #3b8fd6;
  background: #e5f2fe;
  opacity: 1;
}

/* Conditional sections */
.conditional {
  display: none;
}
.conditional.show {
  display: block;
  animation: rise 0.25s ease both;
}

/* Toggle switch */
.toggle-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  cursor: pointer;
}
.toggle-row .toggle-copy strong {
  display: block;
  font-size: 13.5px;
  font-weight: 700;
  margin-bottom: 2px;
}
.toggle-row .toggle-copy p {
  margin: 0;
  font-size: 12.5px;
  color: var(--text-secondary);
}
.switch {
  position: relative;
  width: 38px;
  height: 22px;
  border-radius: 100px;
  background: var(--border);
  flex-shrink: 0;
  transition: background 0.15s;
  margin-top: 2px;
}
.switch::after {
  content: "";
  position: absolute;
  top: 2.5px;
  left: 2.5px;
  width: 17px;
  height: 17px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.25);
  transition: transform 0.15s;
}
.switch.on {
  background: var(--primary-color);
}
.switch.on::after {
  transform: translateX(16px);
}

.btn-generate {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0 16px;
  border-radius: 8px;
  border: 1.4px solid var(--border);
  background: #fff;
  font-size: 13px;
  font-weight: 700;
  color: var(--text-primary);
  cursor: pointer;
  white-space: nowrap;
}
.btn-generate:hover {
  border-color: var(--primary-dark);
  color: var(--primary-dark);
}
.btn-generate svg {
  width: 14px;
  height: 14px;
}

/* Preview card */
.preview-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}
.preview-banner {
  height: 70px;
  background: linear-gradient(135deg, var(--primary-color) 0%, #57c2ce 100%);
  position: relative;
}
.preview-badge {
  position: absolute;
  top: 10px;
  right: 10px;
  background: rgba(255, 255, 255, 0.95);
  color: var(--text-primary);
  font-size: 10px;
  font-weight: 700;
  padding: 4px 9px;
  border-radius: 100px;
  display: flex;
  align-items: center;
  gap: 4px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.preview-badge svg {
  width: 10px;
  height: 10px;
}
.preview-body {
  padding: 16px 18px 18px;
}
.preview-eyebrow {
  font-size: 10.5px;
  font-weight: 700;
  color: var(--primary-dark);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 6px;
}
.preview-title {
  font-size: 15.5px;
  font-weight: 800;
  margin: 0 0 6px;
  line-height: 1.3;
  color: var(--text-primary);
}
.preview-title.placeholder {
  color: var(--text-light);
  font-weight: 600;
}
.preview-desc {
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.55;
  margin: 0 0 14px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.preview-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 14px;
}
.meta-chip {
  font-size: 10.5px;
  font-weight: 700;
  color: var(--text-secondary);
  background: #f1f3f6;
  padding: 4px 8px;
  border-radius: 6px;
}
.meta-chip.code-required {
  background: #fef3c7;
  color: #d97706;
}
.preview-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px dashed var(--border);
  padding-top: 12px;
}
.preview-price {
  font-size: 16px;
  font-weight: 800;
  color: var(--text-primary);
}
.preview-price.free {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 9999px;
  background: #dcfce7;
  color: #16a34a;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}
.preview-price.free small {
  display: none;
}
.preview-price small {
  font-size: 10.5px;
  font-weight: 600;
  color: var(--text-secondary);
}
.preview-hst {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-top: 2px;
}

.preview-cta {
  font-size: 11.5px;
  font-weight: 700;
  color: #fff;
  background: var(--text-primary);
  padding: 6px 13px;
  border-radius: 7px;
}

/* Checklist card */
.checklist-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px 20px;
}
.checklist-head span {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-primary);
}
.progress-track {
  height: 6px;
  border-radius: 100px;
  background: #eef1f4;
  overflow: hidden;
  margin: 12px 0 14px;
}
.progress-fill {
  height: 100%;
  background: var(--primary-color);
  border-radius: 100px;
  width: 0%;
  transition: width 0.3s ease;
}
.check-item {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 12.5px;
  color: var(--text-secondary);
  padding: 5px 0;
}
.check-item .dot {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 1.4px solid var(--border);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.check-item .dot svg {
  width: 9px;
  height: 9px;
  opacity: 0;
  stroke: #fff;
}
.check-item.done {
  color: var(--text-primary);
}
.check-item.done .dot {
  background: var(--primary-color);
  border-color: var(--primary-color);
}
.check-item.done .dot svg {
  opacity: 1;
}

/* Fixed action bar */
.action-bar {
  position: fixed;
  bottom: 0;
  left: 280px;
  right: 0;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  border-top: 1px solid var(--border);
  padding: 14px 40px;
  z-index: 30;
}
.action-bar-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  align-items: center;
}
.action-hint {
  font-size: 12px;
  color: var(--text-secondary);
  margin-right: auto;
  display: flex;
  align-items: center;
  gap: 6px;
}
.action-hint svg {
  width: 14px;
  height: 14px;
  color: var(--text-light);
}

/* Responsive */
@media (max-width: 920px) {
  .create-course-layout {
    grid-template-columns: 1fr;
    padding: 0 0 130px;
  }
  .create-course-aside {
    position: static;
    order: -1;
  }
  .action-bar {
    left: 0;
  }
  .section-card {
    padding: 22px 18px;
  }
  .row-2 {
    grid-template-columns: 1fr;
  }
  .action-hint {
    display: none;
  }
}

/* ==========================================================================
   My Courses — Stats, Toolbar, Course Cards, List View
   ========================================================================== */

.courses-page {
  --private: #7c4fe0;
  --private-dark: #6633cc;
  --private-soft: #f2edfd;
  --archived: #6b7688;
  --archived-soft: #eef0f3;
  --warn: #b5790a;
  --warn-soft: #fdf3d8;
  --warn-border: #f0dfa0;
  --danger: #e0435c;
  --accent-tint: rgba(8, 145, 178, 0.1);
  --accent-dark: #0e7490;
  --radius: 12px;
}

/* ---------- Stats ---------- */
.stats-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-bottom: 26px;
}

.stat-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.stat-icon {
  width: 38px;
  height: 38px;
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.stat-icon svg {
  width: 18px;
  height: 18px;
}

.stat-value {
  font-size: 19px;
  font-weight: 800;
  line-height: 1.15;
}

.stat-label {
  font-size: 11.5px;
  color: var(--text-secondary);
  font-weight: 600;
  white-space: nowrap;
}

/* ---------- Pending verification alert ---------- */
.alert {
  background: var(--warn-soft);
  border: 1px solid var(--warn-border);
  border-radius: var(--radius);
  padding: 18px 22px;
  margin-bottom: 26px;
}

.alert-head {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 14px;
  font-weight: 700;
  color: var(--warn);
  margin-bottom: 14px;
}

.alert-head svg {
  width: 17px;
  height: 17px;
}

.verify-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  background: #fff;
  border: 1px solid var(--warn-border);
  border-radius: 10px;
  padding: 16px 18px;
  flex-wrap: wrap;
}

.verify-left {
  display: flex;
  gap: 12px;
  min-width: 220px;
}

.verify-icon {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  background: var(--warn-soft);
  color: var(--warn);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.verify-icon svg {
  width: 17px;
  height: 17px;
}

.verify-title {
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 2px;
}

.verify-email {
  font-size: 12.5px;
  color: var(--text-secondary);
}

.verify-dates {
  display: flex;
  gap: 16px;
  margin-top: 8px;
  font-size: 11.5px;
  color: var(--text-secondary);
  flex-wrap: wrap;
}

.verify-dates b {
  color: var(--text-primary);
  font-weight: 600;
}

.verify-right {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 10px;
  flex-shrink: 0;
}

/* ---------- Toolbar ---------- */
.toolbar {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.search-box {
  position: relative;
  flex: 1;
  min-width: 200px;
}

.search-box svg {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  color: var(--text-light);
}

.search-box input {
  width: 100%;
  padding: 9px 12px 9px 36px;
  border: 1.4px solid var(--border);
  border-radius: 9px;
  font-size: 13.5px;
  background: #fff;
}

.search-box input:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px var(--accent-tint, rgba(8, 145, 178, 0.1));
}

.tabs {
  display: flex;
  gap: 4px;
  background: #eef0f3;
  padding: 4px;
  border-radius: 10px;
  overflow-x: auto;
  max-width: 100%;
}

.tab {
  padding: 7px 14px;
  border-radius: 7px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}

.tab .count {
  font-size: 11px;
  font-weight: 700;
  background: rgba(0, 0, 0, 0.06);
  padding: 1px 6px;
  border-radius: 100px;
}

.tab.active {
  background: #fff;
  color: var(--text-primary);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.06);
}

.tab.active .count {
  background: rgba(8, 145, 178, 0.12);
  color: var(--primary-dark, #0e7490);
}

.toolbar-right {
  display: flex;
  gap: 10px;
  margin-left: auto;
  align-items: center;
  flex-wrap: wrap;
}

#sortSelect {
  border: 1.4px solid var(--border);
  border-radius: 9px;
  padding: 9px 30px 9px 12px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  background: #fff;
  cursor: pointer;
}

#sortSelect:focus {
  outline: none;
  border-color: var(--primary-color);
}

.view-toggle {
  display: flex;
  border: 1.4px solid var(--border);
  border-radius: 9px;
  overflow: hidden;
  flex-shrink: 0;
}

.view-btn {
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #fff;
  color: var(--text-light);
  cursor: pointer;
  border: none;
}

.view-btn svg {
  width: 16px;
  height: 16px;
}

.view-btn.active {
  background: rgba(8, 145, 178, 0.1);
  color: var(--primary-dark, #0e7490);
}

/* ---------- Course grid (card view) ---------- */
.course-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.course-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  position: relative;
  display: flex;
  transition: box-shadow 0.15s, transform 0.15s;
  min-width: 0;
  padding: 0;
  box-shadow: none;
}

.course-card:hover {
  box-shadow: 0 6px 18px rgba(20, 30, 45, 0.07);
}

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

.course-grid:not(.list) .course-card:hover {
  transform: translateY(-1px);
}

.course-accent {
  flex-shrink: 0;
}

.course-grid:not(.list) .course-accent {
  width: 100%;
  height: 5px;
  border-radius: 12px 12px 0 0;
  position: absolute;
  top: 0;
  left: 0;
}

.course-grid:not(.list) .course-card {
  flex-direction: column;
  padding-top: 5px;
}

.course-accent.public {
  background: var(--primary-color);
}

.course-accent.private {
  background: var(--private);
}

.course-accent.archived {
  background: var(--archived);
}

.course-body {
  padding: 18px 20px 16px;
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.kebab-wrap {
  position: absolute;
  top: 14px;
  right: 16px;
  z-index: 6;
}

.kebab-btn {
  width: 28px;
  height: 28px;
  border-radius: 7px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-light);
  cursor: pointer;
  background: transparent;
  border: none;
}

.kebab-btn:hover {
  background: #f1f3f6;
  color: var(--text-primary);
}

.kebab-btn svg {
  width: 17px;
  height: 17px;
}

.kebab-menu {
  position: absolute;
  top: 32px;
  right: 0;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 10px;
  box-shadow: 0 10px 30px rgba(20, 30, 45, 0.14);
  padding: 6px;
  min-width: 150px;
  z-index: 20;
  display: none;
}

.kebab-menu.open {
  display: block;
  animation: pop 0.12s ease both;
}

@keyframes pop {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: none; }
}

.kebab-item {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 8px 10px;
  border-radius: 7px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  cursor: pointer;
  white-space: nowrap;
  width: 100%;
  background: none;
  border: none;
  font-family: inherit;
  text-decoration: none;
}

.kebab-item svg {
  width: 15px;
  height: 15px;
  color: var(--text-secondary);
  flex-shrink: 0;
}

.kebab-item:hover {
  background: #f4f6f8;
}

.kebab-item.danger {
  color: var(--danger);
}

.kebab-item.danger svg {
  color: var(--danger);
}

.kebab-divider {
  height: 1px;
  background: var(--border);
  margin: 4px 2px;
}

.card-top {
  margin-bottom: 10px;
  padding-right: 30px;
}

.type-badge {
  font-size: 10.5px;
  font-weight: 800;
  padding: 4px 10px;
  border-radius: 100px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  white-space: nowrap;
}

.type-badge svg {
  width: 11px;
  height: 11px;
  flex-shrink: 0;
}

.type-badge.public {
  background: rgba(8, 145, 178, 0.1);
  color: var(--primary-dark, #0e7490);
}

.type-badge.private {
  background: var(--private-soft);
  color: var(--private-dark);
}

.type-badge.archived {
  background: var(--archived-soft);
  color: var(--archived);
}

.course-title {
  font-size: 16px;
  font-weight: 800;
  margin: 0 0 4px;
  line-height: 1.3;
}

.course-desc {
  font-size: 12.5px;
  color: var(--text-secondary);
  margin: 0 0 12px;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.code-chip-slot {
  margin-bottom: 12px;
}

.code-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  font-weight: 600;
  background: var(--private-soft);
  color: var(--private-dark);
  padding: 5px 10px;
  border-radius: 7px;
  width: fit-content;
  white-space: nowrap;
}

.code-chip svg {
  width: 13px;
  height: 13px;
  flex-shrink: 0;
}

.no-code {
  color: var(--text-light);
  font-size: 12.5px;
}

.course-meta-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 6px;
  gap: 10px;
}

.price-block {
  display: flex;
  align-items: baseline;
  gap: 6px;
  flex-wrap: wrap;
}

.price {
  font-size: 17px;
  font-weight: 800;
  white-space: nowrap;
}

.price.free {
  color: var(--primary-dark, #0e7490);
}

.hst-note {
  font-size: 11px;
  color: var(--text-light);
  font-weight: 600;
  white-space: nowrap;
}

.enrolled {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 12px;
  color: var(--text-secondary);
  font-weight: 600;
  white-space: nowrap;
  flex-shrink: 0;
}

.enrolled svg {
  width: 14px;
  height: 14px;
  color: var(--text-light);
  flex-shrink: 0;
}

.created-date {
  font-size: 11px;
  color: var(--text-light);
  margin-bottom: 14px;
  white-space: nowrap;
}

.course-footer {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid var(--border);
}

.btn-view {
  flex: 1;
  background: var(--primary-color);
  color: #fff;
  border: none;
  border-radius: 9px;
  padding: 10px 14px;
  font-size: 13.5px;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.15s;
  text-align: center;
  white-space: nowrap;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn-view:hover {
  text-decoration: none;
}

.btn-view:hover {
  background: var(--primary-dark);
}

.btn-view.archived-btn {
  background: var(--archived);
}

.btn-view.archived-btn:hover {
  background: #565f6e;
}

.btn-copy {
  flex: 1;
  background: #fff;
  color: var(--primary-color);
  border: 1.5px solid var(--primary-color);
  border-radius: 9px;
  padding: 10px 14px;
  font-size: 13.5px;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
  text-align: center;
  white-space: nowrap;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.btn-copy:hover {
  background: var(--primary-color);
  color: #fff;
  text-decoration: none;
}

.btn-copy svg {
  width: 15px;
  height: 15px;
}

.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-secondary);
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.empty-state svg {
  width: 44px;
  height: 44px;
  color: var(--text-light);
  margin-bottom: 14px;
}

.empty-state p {
  margin: 0;
  font-size: 14px;
}

/* ---------- List view ---------- */
.list-header {
  display: none;
  align-items: center;
  gap: 14px;
  padding: 0 20px 8px 25px;
  font-size: 11px;
  font-weight: 700;
  color: var(--text-light);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.course-grid.list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-width: 0;
}

.course-grid.list .list-header {
  display: flex;
}

.list-header span {
  flex-shrink: 0;
}

.lh-type { width: 34px; text-align: center; }
.lh-title { flex: 1; min-width: 0; }
.lh-code { width: 82px; }
.lh-price { width: 100px; }
.lh-students { width: 64px; }
.lh-created { width: 84px; }
.lh-action { width: 104px; }
.lh-kebab { width: 28px; }

.course-grid.list .course-card {
  flex-direction: row;
  align-items: stretch;
  min-width: 0;
}

.course-grid.list .course-accent {
  width: 5px;
  height: auto;
  border-radius: 12px 0 0 12px;
  flex-shrink: 0;
}

.course-grid.list .course-body {
  flex-direction: row;
  align-items: center;
  gap: 14px;
  padding: 13px 20px 13px 20px;
  min-width: 0;
}

.course-grid.list .card-top {
  width: 34px;
  flex-shrink: 0;
  margin-bottom: 0;
  padding-right: 0;
  display: flex;
  justify-content: center;
}

.course-grid.list .type-badge {
  width: 28px;
  height: 28px;
  padding: 0;
  border-radius: 50%;
  justify-content: center;
}

.course-grid.list .type-badge svg {
  width: 14px;
  height: 14px;
}

.course-grid.list .type-badge span.label {
  display: none;
}

.course-grid.list .course-title {
  flex: 1;
  min-width: 0;
  margin-bottom: 0;
  font-size: 14.5px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.course-grid.list .course-desc {
  display: none;
}

.course-grid.list .code-chip-slot {
  width: 82px;
  flex-shrink: 0;
  margin-bottom: 0;
  overflow: hidden;
}

.course-grid.list .code-chip {
  font-size: 11px;
  padding: 4px 8px;
}

.course-grid.list .course-meta-row {
  display: contents;
}

.course-grid.list .price-block {
  width: 100px;
  flex-shrink: 0;
  flex-direction: column;
  align-items: flex-start;
  gap: 1px;
  margin-bottom: 0;
}

.course-grid.list .enrolled {
  width: 64px;
  flex-shrink: 0;
}

.course-grid.list .created-date {
  width: 84px;
  flex-shrink: 0;
  margin-bottom: 0;
}

.course-grid.list .course-footer {
  width: 104px;
  flex-shrink: 0;
  margin-top: 0;
  padding-top: 0;
  border-top: none;
}

.course-grid.list .btn-view {
  width: 100%;
  padding: 8px 10px;
  font-size: 12.5px;
}

.course-grid.list .kebab-wrap {
  position: static;
  width: 28px;
  flex-shrink: 0;
}

/* ---------- Responsive ---------- */
@media (max-width: 1180px) {
  .course-grid:not(.list) {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 1020px) {
  .lh-students,
  .course-grid.list .enrolled { display: none; }
}

@media (max-width: 900px) {
  .lh-code,
  .course-grid.list .code-chip-slot { display: none; }
}

@media (max-width: 780px) {
  .stats-row {
    grid-template-columns: repeat(2, 1fr);
  }

  .stat-card {
    padding: 12px 14px;
  }

  .toolbar {
    gap: 10px;
  }

  .search-box {
    max-width: none;
  }

  .toolbar-right {
    width: 100%;
    justify-content: space-between;
  }

  .course-grid:not(.list) {
    grid-template-columns: 1fr;
  }

  .list-header { display: none !important; }

  .course-grid.list .course-card { flex-direction: row; }
  .course-grid.list .course-accent { width: 5px; height: auto; border-radius: 12px 0 0 12px; }
  .course-grid.list .course-body {
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
    padding: 16px 18px;
  }
  .course-grid.list .card-top { width: auto; padding-right: 30px; }
  .course-grid.list .course-title { white-space: normal; font-size: 15px; }
  .course-grid.list .course-desc { display: -webkit-box; }
  .course-grid.list .code-chip-slot { display: block; width: auto; margin-bottom: 12px; }
  .course-grid.list .code-chip { font-size: 12px; padding: 5px 10px; }
  .course-grid.list .course-meta-row {
    display: flex;
    width: auto;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 6px;
  }
  .course-grid.list .price-block { width: auto; flex-direction: row; align-items: baseline; }
  .course-grid.list .enrolled { display: flex; width: auto; }
  .course-grid.list .created-date { width: auto; display: block; margin-bottom: 14px; }
  .course-grid.list .course-footer { width: auto; border-top: 1px solid var(--border); padding-top: 14px; margin-top: 0; }
  .course-grid.list .btn-view { width: 100%; font-size: 13.5px; padding: 10px 14px; }
  .course-grid.list .kebab-wrap { position: absolute; top: 14px; right: 16px; width: auto; }
}

@media (max-width: 480px) {
  .stats-row {
    grid-template-columns: 1fr 1fr;
  }
}

/* ===== Course Details / Show Page ===== */

.course-details-page {
  max-width: 1200px;
  margin: 0 auto;
}

.course-details-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 1.5rem;
  align-items: start;
}

.course-details-main {
  min-width: 0;
}

.course-details-sidebar {
  min-width: 0;
}

/* Info Card */
.info-card {
  background: white;
  border-radius: 12px;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
  border: 1px solid var(--border);
}

.info-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

.info-card-header .info-card-title {
  margin-bottom: 0;
}

.info-card-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0 0 1rem;
}

.info-grid {
  display: grid;
  gap: 0.5rem;
}

.info-row {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid #f3f4f6;
}

.info-row:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.info-label {
  flex-shrink: 0;
  width: 130px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-light);
}

.info-value {
  flex: 1;
  font-size: 0.9rem;
  color: var(--text-primary);
  word-break: break-word;
}

.info-value.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.2rem 0.65rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.3px;
  width: auto;
  flex: none;
}

.info-value.badge.public {
  background: #dcfce7;
  color: #16a34a;
}

.info-value.badge.private {
  background: #f3e8ff;
  color: #7c3aed;
}

.info-value.code-value {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  cursor: pointer;
  transition: opacity 0.2s ease;
  width: auto;
  flex: none;
}

.info-value.code-value:hover {
  opacity: 0.75;
}

/* Share Link */
.share-link-box {
  display: flex;
  gap: 0.5rem;
}

.share-link-input {
  flex: 1;
  padding: 0.625rem 1rem;
  border: 2px solid var(--border);
  border-radius: 8px;
  font-size: 0.875rem;
  color: var(--text-secondary);
  background: var(--surface);
  cursor: default;
}

/* Sidebar Actions */
.action-buttons-vertical {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.btn-block {
  width: 100%;
  justify-content: center;
}

/* Students Section */
.students-grid {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.student-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  transition: all 0.2s ease;
}

.student-card:hover {
  border-color: var(--primary-color);
  box-shadow: 0 1px 4px rgba(8, 145, 178, 0.08);
}

.student-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, #0891b2 0%, #06b6d4 100%);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 700;
  flex-shrink: 0;
  letter-spacing: 0.5px;
}

.student-info {
  flex: 1;
  min-width: 0;
}

.student-name {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.15rem;
}

.student-email {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-bottom: 0.1rem;
}

.student-enrolled-date {
  font-size: 0.75rem;
  color: var(--text-light);
}

/* Assignment Card Header */
.assignment-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.assignment-name {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
  flex: 1;
  min-width: 0;
}

/* Assignment Status Badge Variants */
.assignment-status-badge.published {
  background: #dcfce7;
  color: #16a34a;
  border-color: #bbf7d0;
}

.assignment-status-badge.scheduled {
  background: #dbeafe;
  color: #2563eb;
  border-color: #bfdbfe;
}

.assignment-status-badge.draft {
  background: #f3f4f6;
  color: #6b7280;
  border-color: #e5e7eb;
}

/* Assignment Deadline & Late Note */
.assignment-deadline {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.assignment-deadline svg {
  flex-shrink: 0;
  color: var(--primary-color);
}

.assignment-late {
  font-size: 0.75rem;
  color: #d97706;
  font-weight: 500;
}

/* Dropdown Items */
.dropdown-item {
  display: block;
  width: 100%;
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
  color: var(--text-primary);
  background: none;
  border: none;
  text-align: left;
  cursor: pointer;
  transition: background 0.15s ease;
  text-decoration: none;
}

.dropdown-item:hover {
  background: var(--surface);
}

.dropdown-item.text-danger {
  color: #ef4444;
}

.dropdown-item.text-danger:hover {
  background: #fef2f2;
}

/* Empty State Small */
.empty-state.small {
  padding: 2.5rem 1.5rem;
  margin: 0;
}

/* Copy Assignment Modal */
.modal-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
}

.modal-description {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin: 0.5rem 0 0;
}

.modal-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.5rem;
}

.course-selection-list {
  max-height: 400px;
  overflow-y: auto;
  padding: 0.5rem 0;
}

.course-selection-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.625rem 1rem;
  cursor: pointer;
  transition: background 0.15s ease;
}

.course-selection-item:hover {
  background: var(--surface);
}

.course-selection-item input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--primary-color);
  flex-shrink: 0;
}

.course-selection-item .course-info {
  flex: 1;
  min-width: 0;
}

.course-selection-item .course-name {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.15rem;
}

.course-selection-item .course-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.8rem;
}

.course-selection-item .course-type {
  text-transform: capitalize;
  font-weight: 500;
  color: var(--primary-color);
}

.course-selection-item .course-date {
  color: var(--text-light);
}

/* ═══════════════════════════════════════════
   Tasks Page (My Tasks)
   ═══════════════════════════════════════════ */
.tasks-page {
  --tasks-card-bg: #fff;
  --tasks-radius: 16px;
}

.tasks-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.task-card {
  background: var(--tasks-card-bg);
  border-radius: var(--tasks-radius);
  padding: 1.5rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  border: 1px solid var(--border);
  transition: all 0.3s ease;
  position: relative;
}

.task-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
  border-color: transparent;
}

.task-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1rem;
}

.task-number {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
  color: #fff;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.task-actions {
  position: relative;
}

.task-menu-btn {
  background: #f3f4f6;
  border: none;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
  color: var(--text-secondary);
}

.task-menu-btn:hover {
  background: #e5e7eb;
}

.task-menu-dropdown {
  position: absolute;
  right: 0;
  top: 100%;
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
  border: 1px solid var(--border);
  min-width: 180px;
  z-index: 100;
  display: none;
  overflow: hidden;
}

.task-menu-dropdown.show {
  display: block;
}

.menu-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  cursor: pointer;
  transition: background 0.2s;
  border: none;
  background: none;
  width: 100%;
  text-align: left;
  font-size: 0.875rem;
  color: var(--text-primary);
  text-decoration: none;
}

.menu-item:hover {
  background: #f9fafb;
}

.menu-item.danger {
  color: #ef4444;
}

.menu-item.danger:hover {
  background: #fef2f2;
}

.task-body {
  margin-bottom: 1rem;
}

.task-name {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.language-badge {
  font-size: 0.75rem;
  padding: 0.25rem 0.625rem;
  border-radius: 20px;
  font-weight: 500;
  white-space: nowrap;
}

.language-badge.java {
  background: #fef3c7;
  color: #d97706;
}

.language-badge.sql {
  background: #dbeafe;
  color: #2563eb;
}

.language-badge.python {
  background: #d1fae5;
  color: #059669;
}

.language-badge.cpp {
  background: #e0e7ff;
  color: #4f46e5;
}

.language-badge.default {
  background: #f3f4f6;
  color: #6b7280;
}

.task-stats {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.task-stat {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

.task-stat svg {
  width: 16px;
  height: 16px;
  stroke: #9ca3af;
  flex-shrink: 0;
}

.task-status {
  font-size: 0.75rem;
  font-weight: 500;
  padding: 0.25rem 0.5rem;
  border-radius: 6px;
}

.task-status.draft {
  background: #fef3c7;
  color: #92400e;
}

.task-status.published {
  background: #d1fae5;
  color: #065f46;
}

.task-date {
  font-size: 0.8125rem;
  color: #9ca3af;
}

.tasks-toolbar {
  display: flex;
  gap: 1rem;
  align-items: center;
  flex-wrap: wrap;
}

.tasks-toolbar .search-box {
  max-width: 340px;
}

/* Responsive */
@media (max-width: 900px) {
  .course-details-layout {
    grid-template-columns: 1fr;
  }

  .info-label {
    width: 100px;
  }
}

@media (max-width: 768px) {
  .tasks-grid {
    grid-template-columns: 1fr;
  }

  .tasks-toolbar {
    flex-direction: column;
    align-items: stretch;
  }

  .tasks-toolbar .search-box {
    max-width: none;
  }

  .tasks-toolbar select {
    width: 100% !important;
  }

  .task-card-header {
    flex-wrap: wrap;
  }
}

/* ═══════════════════════════════════════════
   Course Detail / Show Page (Redesigned)
   ═══════════════════════════════════════════ */
.course-detail-page {
  max-width: 1180px;
  margin: 0 auto;
}

/* Header-left (topbar) — back link + course title + badges */
.course-header-left {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.course-header-left .back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--slate-500, #64748b);
  font-size: 13.5px;
  font-weight: 600;
  text-decoration: none;
  width: fit-content;
}

.course-header-left .back-link:hover {
  color: var(--brand-700, #0e7490);
}

.course-header-left .title-row {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.course-header-left .title-row h1,
.course-header-left .title-row .page-title {
  margin: 0;
  font-size: 26px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--text-primary, #0f172a);
}

/* Badges — global (used in topbar and content) */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 11px;
  border-radius: 999px;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.badge-private {
  background: #f3e9fe;
  color: #7c3aed;
}

.badge-public {
  background: #e0f7fa;
  color: #0891b2;
}

.badge-archived {
  background: #f1f5f9;
  color: #64748b;
}

.badge-active {
  background: #eafaf0;
  color: #1a8754;
}

/* Action toolbar */
.course-detail-page .action-toolbar {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

/* Course detail page buttons — override base styles */
.course-detail-page .btn {
  padding: 10px 16px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 600;
  border: 1px solid transparent;
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04);
  transition: background .15s ease, border-color .15s ease, transform .05s ease;
}

.course-detail-page .btn:active {
  transform: scale(0.98);
}

.course-detail-page .btn svg {
  width: 15px;
  height: 15px;
  flex-shrink: 0;
}

.course-detail-page .btn-primary {
  background: #0891b2;
  color: #fff;
  border-color: transparent;
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04);
}

.course-detail-page .btn-primary:hover {
  background: #0e7490;
  transform: translateY(-1px);
}

.course-detail-page .btn-outline {
  background: #fff;
  color: #0f172a;
  border-color: #e2e8f0;
}

.course-detail-page .btn-outline:hover {
  background: #f1f5f9;
  border-color: #94a3b8;
  transform: translateY(-1px);
}

.course-detail-page .btn-danger {
  background: #fdecec;
  color: #c53030;
  border-color: transparent;
}

.course-detail-page .btn-danger:hover {
  background: #fadada;
  transform: translateY(-1px);
}

.course-detail-page .btn-sm {
  padding: 7px 12px;
  font-size: 13px;
  border-radius: 8px;
}

/* Description banner */
.course-detail-page .description-banner {
  background: linear-gradient(135deg, #0e7490, #0891b2);
  color: #fff;
  border-radius: 14px;
  padding: 18px 22px;
  margin-bottom: 22px;
  display: flex;
  align-items: center;
  gap: 14px;
}

.course-detail-page .description-banner svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  opacity: 0.85;
}

.course-detail-page .description-banner p {
  margin: 0;
  font-size: 14.5px;
  font-weight: 500;
  line-height: 1.5;
  opacity: 0.97;
}

/* Stats grid */
.course-detail-page .stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-bottom: 26px;
}

.course-detail-page .stat-card {
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 14px;
  padding: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  text-decoration: none;
  color: inherit;
  transition: box-shadow .15s ease, border-color .15s ease, transform .1s ease;
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04);
}

.course-detail-page .stat-card:hover {
  box-shadow: 0 4px 14px rgba(15, 23, 42, 0.06);
  border-color: #0891b2;
  transform: translateY(-1px);
}

.course-detail-page .stat-left {
  display: flex;
  align-items: center;
  gap: 14px;
}

.course-detail-page .stat-icon {
  width: 44px;
  height: 44px;
  border-radius: 11px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.course-detail-page .stat-icon svg {
  width: 21px;
  height: 21px;
}

.course-detail-page .icon-blue {
  background: #e5edff;
  color: #3457d5;
}

.course-detail-page .icon-green {
  background: #e2f8ea;
  color: #1a8754;
}

.course-detail-page .icon-amber {
  background: #fef7e6;
  color: #b45309;
}

.course-detail-page .icon-violet {
  background: #efe9fb;
  color: #7c3aed;
}

.course-detail-page .stat-num {
  font-size: 22px;
  font-weight: 800;
  line-height: 1.1;
  color: var(--text-primary, #0f172a);
}

.course-detail-page .stat-label {
  font-size: 13px;
  color: #64748b;
  font-weight: 600;
  margin-top: 2px;
}

.course-detail-page .stat-arrow {
  color: #94a3b8;
  flex-shrink: 0;
  transition: transform .15s ease, color .15s ease;
}

.course-detail-page .stat-card:hover .stat-arrow {
  transform: translateX(3px);
  color: #0891b2;
}

/* Content grid */
.course-detail-page .content-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 16px;
  align-items: start;
}

/* Card component */
.course-detail-page .card {
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 14px;
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04);
  margin-bottom: 16px;
  overflow: hidden;
}

.course-detail-page .card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 20px;
  border-bottom: 1px solid #f1f5f9;
}

.course-detail-page .card-header h2 {
  margin: 0;
  font-size: 15.5px;
  font-weight: 700;
  color: var(--text-primary, #0f172a);
}

.course-detail-page .card-body {
  padding: 18px 20px;
}

.course-detail-page .link-sm {
  font-size: 13px;
  font-weight: 600;
  color: #0891b2;
  text-decoration: none;
  cursor: pointer;
}

.course-detail-page .link-sm:hover {
  text-decoration: underline;
}

/* Info rows */
.course-detail-page .info-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 0;
  border-bottom: 1px solid #f1f5f9;
  gap: 16px;
}

.course-detail-page .info-row:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.course-detail-page .info-row:first-child {
  padding-top: 0;
}

.course-detail-page .info-label {
  color: #64748b;
  font-size: 13.5px;
  font-weight: 600;
  flex-shrink: 0;
  min-width: 130px;
}

.course-detail-page .info-value {
  font-size: 14.5px;
  font-weight: 600;
  color: var(--text-primary, #0f172a);
  text-align: right;
  word-break: break-word;
}

.course-detail-page .code-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #e3f6fb;
  color: #0e7490;
  padding: 5px 10px;
  border-radius: 8px;
  font-family: "SF Mono", ui-monospace, Menlo, monospace;
  font-size: 13.5px;
  font-weight: 700;
  letter-spacing: 0.04em;
  cursor: pointer;
  border: 1px solid transparent;
  transition: background .15s ease;
  user-select: none;
}

.course-detail-page .code-chip:hover {
  background: #cdedf6;
}

.course-detail-page .code-chip svg {
  width: 13px;
  height: 13px;
}

/* Share row */
.course-detail-page .share-row {
  display: flex;
  gap: 10px;
  align-items: center;
}

.course-detail-page .share-input {
  flex: 1;
  padding: 10px 12px;
  border: 1px solid #e2e8f0;
  border-radius: 9px;
  font-size: 13px;
  color: #64748b;
  background: #f1f5f9;
  font-family: "SF Mono", ui-monospace, Menlo, monospace;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Alert items */
.course-detail-page .alert-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid #f1f5f9;
}

.course-detail-page .alert-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.course-detail-page .alert-item:first-child {
  padding-top: 0;
}

.course-detail-page .alert-user {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  flex: 1;
}

.course-detail-page .avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: #0891b2;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12.5px;
  font-weight: 700;
  flex-shrink: 0;
}

.course-detail-page .alert-name {
  font-size: 13.5px;
  font-weight: 700;
  color: #0f172a;
}

.course-detail-page .alert-sub {
  font-size: 12px;
  color: #64748b;
  margin-top: 1px;
}

.course-detail-page .alert-actions {
  display: flex;
  gap: 6px;
  flex-shrink: 0;
}

.course-detail-page .icon-btn {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid #e2e8f0;
  background: #fff;
  cursor: pointer;
  color: #64748b;
  transition: all .15s ease;
}

.course-detail-page .icon-btn svg {
  width: 14px;
  height: 14px;
}

.course-detail-page .icon-btn.approve:hover {
  background: #eafaf0;
  color: #1a8754;
  border-color: #bfe8cf;
}

.course-detail-page .icon-btn.reject:hover {
  background: #fdecec;
  color: #c53030;
  border-color: #f3c6c6;
}

/* Pills */
.course-detail-page .pill {
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 10.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  flex-shrink: 0;
}

.course-detail-page .pill-pending {
  background: #fef7e6;
  color: #b45309;
}

.course-detail-page .pill-enrolled {
  background: #eafaf0;
  color: #1a8754;
}

/* Empty state inset */
.course-detail-page .empty-state-inset {
  padding: 28px 12px;
  text-align: center;
  color: #64748b;
  font-size: 13.5px;
}

.course-detail-page .empty-state-inset svg {
  width: 32px;
  height: 32px;
  color: #94a3b8;
  margin-bottom: 8px;
}

.course-detail-page .empty-state-inset p {
  margin: 0;
}

/* Toolbar notes */
.course-detail-page .toolbar-actions-note {
  font-size: 12px;
  color: #94a3b8;
}

/* Modal overlay */
.course-detail-page .modal-overlay,
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.45);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 20px;
}

.course-detail-page .modal-overlay.show,
.modal-overlay.show {
  display: flex;
}

.course-detail-page .modal,
.modal-overlay .modal {
  background: #fff;
  border-radius: 16px;
  max-width: 400px;
  width: 100%;
  padding: 24px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.25);
  position: relative;
  height: auto;
  flex-direction: column;
  z-index: auto;
}

.course-detail-page .modal-icon,
.modal-overlay .modal-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: #fdecec;
  color: #c53030;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
}

.course-detail-page .modal-icon.archive,
.modal-overlay .modal-icon.archive {
  background: #fef7e6;
  color: #b45309;
}

.course-detail-page .modal-icon svg,
.modal-overlay .modal-icon svg {
  width: 22px;
  height: 22px;
}

.course-detail-page .modal h3,
.modal-overlay .modal h3 {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 800;
  color: var(--text-primary, #0f172a);
}

.course-detail-page .modal p,
.modal-overlay .modal p {
  margin: 0 0 20px;
  font-size: 13.5px;
  color: #64748b;
  line-height: 1.5;
}

.course-detail-page .modal-actions,
.modal-overlay .modal-actions {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
}

/* Responsive */
@media (max-width: 960px) {
  .course-detail-page .content-grid {
    grid-template-columns: 1fr;
  }

  .course-detail-page .stats-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  .course-detail-page .action-toolbar {
    flex-direction: column;
  }

  .course-detail-page .action-toolbar .btn {
    width: 100%;
    justify-content: center;
  }

  .course-detail-page .share-row {
    flex-direction: column;
  }

  .course-detail-page .share-row .btn {
    width: 100%;
    justify-content: center;
  }
}

.qr-current {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 10px;
  padding: 10px;
  background: var(--bg, #f8fafc);
  border: 1px solid var(--border, #e2e8f0);
  border-radius: 10px;
}

.qr-current-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-light, #64748b);
}

.qr-current-img {
  width: 72px;
  height: 72px;
  object-fit: contain;
  border-radius: 6px;
  background: #fff;
  border: 1px solid var(--border, #e2e8f0);
}

.info-qr-img {
  width: 120px;
  height: 120px;
  object-fit: contain;
  border-radius: 8px;
  background: #fff;
  border: 1px solid var(--border, #e2e8f0);
  padding: 4px;
}