.file-uploader{display:flex;flex-direction:column;gap:.75rem}.file-preview{position:relative;width:200px;height:200px;border:2px solid #e0e0e0;border-radius:8px;overflow:hidden;background:#f5f5f5}.file-preview img{width:100%;height:100%;object-fit:cover}.btn-remove{position:absolute;top:8px;right:8px;width:32px;height:32px;border:none;border-radius:50%;background:#000000b3;color:#fff;font-size:24px;line-height:1;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .2s}.btn-remove:hover{background:#000000e6}.btn-remove:disabled{opacity:.5;cursor:not-allowed}.btn-upload{display:inline-flex;align-items:center;gap:.5rem;padding:.75rem 1.5rem;border:2px dashed #d4633f;border-radius:8px;background:#fff;color:#d4633f;font-size:1rem;font-weight:500;cursor:pointer;transition:all .2s}.btn-upload:hover:not(:disabled){background:#fff5f2;border-color:#ff6b35}.btn-upload:disabled{opacity:.6;cursor:not-allowed}.btn-upload.uploading{border-style:solid;background:#f5f5f5}.upload-icon{font-size:1.2rem}.upload-spinner{display:inline-block;width:16px;height:16px;border:2px solid #d4633f;border-top-color:transparent;border-radius:50%;animation:spin .6s linear infinite}.upload-progress{display:flex;align-items:center;gap:.75rem}.progress-bar{flex:1;height:8px;background:#f0f0f0;border-radius:4px;overflow:hidden}.progress-fill{height:100%;background:linear-gradient(90deg,#ff6b35,#d4633f);transition:width .3s ease}.progress-text{font-size:.875rem;font-weight:500;color:#666;min-width:40px;text-align:right}.upload-error{display:flex;align-items:center;gap:.5rem;padding:.75rem;background:#fff5f5;border:1px solid #ffcccc;border-radius:6px;color:#d9534f;font-size:.9rem}.error-icon{font-size:1.1rem}.upload-hint{font-size:.875rem;color:#999}.file-info{display:flex;align-items:center;gap:.5rem;padding:.5rem .75rem;background:#f0f7ff;border:1px solid #d0e3f7;border-radius:6px;font-size:.9rem;color:#333}.file-info-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:250px;font-weight:500}.file-info-size{color:#666;flex-shrink:0}.video-fallback{display:flex;flex-direction:column;align-items:center;justify-content:center;width:100%;height:100%;gap:.5rem;color:#666;font-size:.85rem;text-align:center;padding:1rem}.video-fallback-icon{font-size:2rem}@media (max-width: 768px){.file-preview{width:150px;height:150px}.btn-upload{width:100%;justify-content:center}}.toast-container{position:fixed;top:var(--space-4, 1rem);right:var(--space-4, 1rem);z-index:9999;display:flex;flex-direction:column;gap:var(--space-2, .5rem);pointer-events:none}.toast{display:flex;align-items:center;justify-content:space-between;min-width:300px;max-width:500px;padding:var(--space-3, .75rem) var(--space-4, 1rem);background:#fff;border-radius:var(--radius-lg, .5rem);box-shadow:var(--shadow-lg, 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -2px rgba(0, 0, 0, .05));pointer-events:auto;animation:toast-slide-in .3s cubic-bezier(.4,0,.2,1);border-left:4px solid}@keyframes toast-slide-in{0%{transform:translate(calc(100% + var(--space-4, 1rem)));opacity:0}to{transform:translate(0);opacity:1}}.toast-content{display:flex;align-items:center;gap:var(--space-3, .75rem);flex:1}.toast-icon{width:20px;height:20px;flex-shrink:0}.toast-message{font-size:var(--text-sm, .875rem);line-height:var(--leading-normal, 1.5);color:var(--color-text-primary, #111827);word-break:break-word}.toast-close{display:flex;align-items:center;justify-content:center;width:20px;height:20px;padding:0;margin-left:var(--space-2, .5rem);background:transparent;border:none;border-radius:var(--radius-sm, .25rem);cursor:pointer;color:var(--color-text-secondary, #6b7280);transition:color var(--transition-fast, .15s cubic-bezier(.4, 0, .2, 1));flex-shrink:0}.toast-close:hover{color:var(--color-text-primary, #111827)}.toast-close:focus{outline:2px solid var(--color-primary, #2563eb);outline-offset:2px}.toast-close svg{width:16px;height:16px}.toast-success{border-left-color:var(--color-success, #10b981)}.toast-success .toast-icon{color:var(--color-success, #10b981)}.toast-error{border-left-color:var(--color-error, #ef4444)}.toast-error .toast-icon{color:var(--color-error, #ef4444)}.toast-warning{border-left-color:var(--color-warning, #f59e0b)}.toast-warning .toast-icon{color:var(--color-warning, #f59e0b)}.toast-info{border-left-color:var(--color-info, #3b82f6)}.toast-info .toast-icon{color:var(--color-info, #3b82f6)}@media (max-width: 640px){.toast-container{top:var(--space-2, .5rem);right:var(--space-2, .5rem);left:var(--space-2, .5rem)}.toast{min-width:auto;max-width:none}}.error-boundary-container{display:flex;align-items:center;justify-content:center;min-height:100vh;background-color:var(--color-bg-secondary, #f9fafb);padding:1rem}.error-boundary-content{max-width:42rem;width:100%;text-align:center}.error-boundary-icon-container{display:flex;justify-content:center;margin-bottom:1.5rem}.error-boundary-icon{width:4rem;height:4rem;color:var(--color-error, #ef4444)}.error-boundary-title{font-size:1.875rem;font-weight:700;color:var(--color-text-primary, #111827);margin-bottom:1rem}.error-boundary-message{font-size:1rem;color:var(--color-text-secondary, #6b7280);margin-bottom:2rem;line-height:1.5}.error-boundary-button{background-color:var(--color-primary, #2563eb);color:#fff;padding:.75rem 1.5rem;border-radius:var(--radius-md, .375rem);border:none;font-size:1rem;font-weight:500;cursor:pointer;transition:background-color var(--transition-base, .2s)}.error-boundary-button:hover{background-color:var(--color-primary-hover, #1d4ed8)}.error-boundary-button:focus{outline:2px solid var(--color-primary, #2563eb);outline-offset:2px}.error-boundary-details{margin-top:3rem;text-align:left}.error-boundary-details-title{font-size:1.25rem;font-weight:600;color:var(--color-text-primary, #111827);margin-bottom:1rem}.error-boundary-error-box{background-color:var(--color-bg-primary, #ffffff);border:1px solid var(--color-gray-200, #e5e7eb);border-radius:var(--radius-lg, .5rem);padding:1.5rem;box-shadow:var(--shadow-sm, 0 1px 2px 0 rgba(0, 0, 0, .05))}.error-boundary-error-name{color:var(--color-error, #ef4444);margin-bottom:1rem;font-size:.875rem}.error-boundary-stack-trace{background-color:var(--color-gray-100, #f3f4f6);padding:1rem;border-radius:var(--radius-md, .375rem);overflow:auto;font-size:.75rem;line-height:1.5;color:var(--color-gray-700, #374151);white-space:pre-wrap;word-break:break-word;font-family:var(--font-mono, monospace)}.error-boundary-component-stack-title{margin-top:1rem;margin-bottom:.5rem;font-size:.875rem;color:var(--color-text-primary, #111827)}.session-warning-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background-color:#00000080;z-index:9998;animation:fadeIn .2s ease-out}.session-warning-modal{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);background:#fff;border-radius:var(--radius-lg, 8px);box-shadow:var(--shadow-xl, 0 20px 25px -5px rgba(0, 0, 0, .1));z-index:9999;max-width:480px;width:90%;animation:slideIn .2s ease-out}.session-warning-content{padding:var(--space-8, 2rem);text-align:center}.session-warning-icon{font-size:3rem;margin-bottom:var(--space-4, 1rem)}.session-warning-title{font-size:var(--text-2xl, 1.5rem);font-weight:var(--font-semibold, 600);color:var(--color-text-primary, #111827);margin:0 0 var(--space-4, 1rem) 0}.session-warning-description{font-size:var(--text-lg, 1.125rem);color:var(--color-text-secondary, #6b7280);margin:0 0 var(--space-4, 1rem) 0}.session-warning-description strong{color:var(--color-warning, #f59e0b);font-weight:var(--font-bold, 700);font-size:var(--text-xl, 1.25rem)}.session-warning-info{font-size:var(--text-sm, .875rem);color:var(--color-text-secondary, #6b7280);margin:0 0 var(--space-6, 1.5rem) 0;line-height:var(--leading-relaxed, 1.75)}.session-warning-actions{display:flex;gap:var(--space-3, .75rem);justify-content:center}.session-warning-actions button{padding:var(--space-3, .75rem) var(--space-6, 1.5rem);font-size:var(--text-base, 1rem);font-weight:var(--font-medium, 500);border-radius:var(--radius-md, 6px);border:none;cursor:pointer;transition:all var(--transition-base, .2s);min-width:140px}.session-warning-actions .btn-primary{background-color:var(--color-primary, #2563eb);color:#fff}.session-warning-actions .btn-primary:hover{background-color:var(--color-primary-hover, #1d4ed8)}.session-warning-actions .btn-primary:focus{outline:2px solid var(--color-primary, #2563eb);outline-offset:2px}.session-warning-actions .btn-secondary{background-color:var(--color-gray-200, #e5e7eb);color:var(--color-text-primary, #111827)}.session-warning-actions .btn-secondary:hover{background-color:var(--color-gray-300, #d1d5db)}.session-warning-actions .btn-secondary:focus{outline:2px solid var(--color-gray-400, #9ca3af);outline-offset:2px}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideIn{0%{opacity:0;transform:translate(-50%,-48%)}to{opacity:1;transform:translate(-50%,-50%)}}@media (max-width: 640px){.session-warning-modal{width:95%}.session-warning-content{padding:var(--space-6, 1.5rem)}.session-warning-actions{flex-direction:column}.session-warning-actions button{width:100%}}.notification-badge{display:inline-flex;align-items:center;justify-content:center;min-width:20px;height:20px;padding:0 6px;background:#dc2626;color:#fff;font-size:.75rem;font-weight:700;border-radius:10px;margin-left:8px;box-shadow:0 2px 4px #dc262666;animation:pulse 2s ease-in-out infinite}@keyframes pulse{0%,to{box-shadow:0 2px 4px #dc262666}50%{box-shadow:0 2px 8px #dc262699}}.admin-layout{display:flex;min-height:100vh;background:#f9fafb;position:relative}.hamburger-menu{display:none;position:fixed;top:1rem;left:1rem;z-index:1100;width:44px;height:44px;background:#fff;border:1px solid #e5e7eb;border-radius:var(--radius-md, 6px);flex-direction:column;align-items:center;justify-content:center;gap:4px;cursor:pointer;transition:all var(--transition-base, .2s);box-shadow:var(--shadow-sm)}.hamburger-menu:hover{background:#f9fafb;border-color:var(--color-primary)}.hamburger-menu span{display:block;width:20px;height:2px;background:#374151;transition:all var(--transition-base, .2s)}.sidebar-overlay{display:none;position:fixed;top:0;left:0;right:0;bottom:0;background:#00000080;z-index:999}.admin-sidebar{width:280px;background:#fff;color:#111827;display:flex;flex-direction:column;position:fixed;height:100vh;overflow-y:auto;border-right:1px solid 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1rem}}.notification-badge{display:inline-flex;align-items:center;justify-content:center;min-width:20px;height:20px;padding:0 6px;background:#dc2626;color:#fff;font-size:.75rem;font-weight:600;border-radius:10px;margin-left:auto}.admin-nav-item .notification-badge{margin-left:auto}.spinner{display:inline-block;border-radius:50%;border-style:solid;border-color:var(--color-gray-300);border-top-color:var(--color-primary);border-right-color:var(--color-primary);animation:spinner-rotate .6s linear infinite}.spinner-small{width:20px;height:20px;border-width:2px}.spinner-medium{width:32px;height:32px;border-width:3px}.spinner-large{width:48px;height:48px;border-width:4px}@keyframes spinner-rotate{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.skeleton{background:linear-gradient(90deg,var(--color-gray-200) 0%,var(--color-gray-300) 50%,var(--color-gray-200) 100%);background-size:200% 100%;animation:skeleton-pulse 1.5s ease-in-out infinite;border-radius:var(--radius-md)}@keyframes 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solid currentColor;border-top-color:transparent;border-radius:50%;animation:spinner-rotate .6s linear infinite;color:inherit}.table-loading{position:relative;min-height:200px}.table-loading-overlay{position:absolute;top:0;left:0;right:0;bottom:0;background-color:#ffffffb3;display:flex;align-items:center;justify-content:center;z-index:10}.form-loading{position:relative;pointer-events:none;opacity:.6}.form-loading:after{content:"";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:32px;height:32px;border:3px solid var(--color-gray-300);border-top-color:var(--color-primary);border-radius:50%;animation:spinner-rotate .6s linear infinite}.loading-inline{display:inline-flex;align-items:center;gap:var(--space-2);font-size:var(--text-sm);color:var(--color-text-secondary)}.loading-inline .spinner{width:16px;height:16px;border-width:2px}.loading-long-operation{margin-top:var(--space-4);padding:var(--space-3);background-color:var(--color-warning-light);border-left:4px solid var(--color-warning);border-radius:var(--radius-md);font-size:var(--text-sm);color:#92400e}@media (max-width: 768px){.loading-overlay-content{padding:var(--space-4)}.skeleton-card-image{height:150px}}@media (max-width: 640px){.skeleton-table-header,.skeleton-table-row{grid-template-columns:1fr}.loading-overlay-message{font-size:var(--text-sm)}}@media (prefers-reduced-motion: reduce){.spinner,.skeleton,.btn-loading:after,.table-loading-overlay,.form-loading:after{animation-duration:2s}}@media (prefers-contrast: high){.loading-overlay,.loading-overlay-fullscreen{background-color:#fffffff2}.skeleton{background:var(--color-gray-400)}}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.btn-primary{background-color:#2563eb;color:#fff;padding:.75rem 1.5rem;border:none;border-radius:.375rem;font-size:1rem;font-weight:500;cursor:pointer;transition:background-color .2s}.btn-primary:hover{background-color:#1d4ed8}.btn-primary:disabled{background-color:#9ca3af;cursor:not-allowed}.btn-secondary{background-color:#6b7280;color:#fff;padding:.75rem 1.5rem;border:none;border-radius:.375rem;font-size:1rem;font-weight:500;cursor:pointer;transition:background-color .2s}.btn-secondary:hover{background-color:#4b5563}.btn-edit{background-color:#3b82f6;color:#fff;padding:.5rem 1rem;border:none;border-radius:.25rem;font-size:.875rem;cursor:pointer;transition:background-color .2s}.btn-edit:hover{background-color:#2563eb}.btn-delete{background-color:#ef4444;color:#fff;padding:.5rem 1rem;border:none;border-radius:.25rem;font-size:.875rem;cursor:pointer;transition:background-color .2s}.btn-delete:hover{background-color:#dc2626}.btn-publish{background-color:#10b981;color:#fff;padding:.5rem 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