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#ef444440}.loading-spinner{display:flex;justify-content:center;align-items:center;padding:50px;font-size:18px;color:#64748b;font-weight:600}.loading-spinner:before{content:"";width:40px;height:40px;margin-right:15px;border:4px solid #e2e8f0;border-top-color:#667eea;border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@media (max-width: 768px){.dashboard-layout{flex-direction:column}.sidebar{width:100%;padding:15px}.sidebar-nav{flex-direction:row;overflow-x:auto;padding:15px}.main-content{padding:20px}.page-header{flex-direction:column;align-items:flex-start;gap:15px}.page-header h1{font-size:28px}.modal-content{width:95%;padding:25px;max-height:95vh}.image-grid{grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:12px}.card{padding:20px}}.modal-content::-webkit-scrollbar,.main-content::-webkit-scrollbar{width:8px}.modal-content::-webkit-scrollbar-track,.main-content::-webkit-scrollbar-track{background:#f1f5f9;border-radius:10px}.modal-content::-webkit-scrollbar-thumb,.main-content::-webkit-scrollbar-thumb{background:linear-gradient(180deg,#667eea,#764ba2);border-radius:10px}.modal-content::-webkit-scrollbar-thumb:hover,.main-content::-webkit-scrollbar-thumb:hover{background:linear-gradient(180deg,#7c8ef5,#8b5bb8)}