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var(--error-border)}.video-lesson-info{padding:var(--spacing-md)}.video-lesson-title{font-size:.9375rem;font-weight:600;color:var(--text-primary);margin:0 0 var(--spacing-xs);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.video-lesson-meta{font-size:.8125rem;color:var(--text-muted);margin:0}.video-lesson-actions{display:flex;align-items:center;gap:var(--spacing-xs);padding:var(--spacing-sm) var(--spacing-md);border-top:1px solid var(--border-subtle)}.content-source-tabs{display:flex;gap:var(--spacing-xs);background:var(--bg-tertiary);padding:4px;border-radius:var(--radius-sm)}.content-source-tab{flex:1;padding:8px 16px;border:none;border-radius:var(--radius-sm);background:transparent;color:var(--text-secondary);font-size:.875rem;font-weight:500;cursor:pointer;transition:background-color var(--transition-fast),color var(--transition-fast),box-shadow 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var(--border-subtle)}.generate-video-modal-title{font-size:1.25rem;font-weight:600;color:var(--text-primary);margin:0}.generate-video-modal-close{width:32px;height:32px;border:none;border-radius:var(--radius-sm);background:transparent;color:var(--text-muted);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background-color var(--transition-fast),color var(--transition-fast)}.generate-video-modal-close:hover{background:var(--surface-glow);color:var(--text-primary)}.generate-video-modal-body{padding:var(--spacing-lg);overflow-y:auto;flex:1}.generate-video-modal-footer{display:flex;justify-content:flex-end;gap:var(--spacing-sm);padding:var(--spacing-lg);border-top:1px solid var(--border-subtle)}.spinner-sm{width:16px;height:16px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .8s linear infinite;display:inline-block}@media (max-width: 768px){.video-lessons-section{padding:var(--spacing-md)}.video-lessons-header{flex-direction:column;align-items:flex-start}.video-lessons-filters{flex-direction:column}.video-lessons-grid{grid-template-columns:1fr}.provider-status-card{width:100%}.generate-video-modal-content{margin:var(--spacing-md);max-width:calc(100% - var(--spacing-md) * 2);max-height:calc(100vh - var(--spacing-md) * 2)}}.select-module-modal{position:fixed;top:0;left:0;width:100%;height:100%;background:var(--overlay-bg);display:flex;align-items:center;justify-content:center;z-index:var(--z-modal);opacity:0;visibility:hidden;transition:opacity var(--transition-normal),visibility var(--transition-normal)}.select-module-modal.active{opacity:1;visibility:visible}.select-module-modal-content{width:100%;max-width:600px;max-height:85vh;background:var(--modal-bg);border:1px solid 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