:root{--da-primary:#667eea;--da-primary-dark:#5a67d8;--da-secondary:#764ba2;--da-accent:#02d0bd;--da-success:#28a745;--da-warning:#ffc107;--da-danger:#dc3545;--da-info:#17a2b8;--da-dark:#1a1a2e;--da-light:#f8f9fa;--da-bg:#f0f2f5;--da-sidebar-width:60px;--da-header-height:50px;--da-transition:all 0.3s ease}*{box-sizing:border-box}html,body{margin:0;padding:0;height:100%;overflow:hidden;font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;background:var(--da-bg)}.da-app{display:flex;flex-direction:column;height:100vh;overflow:hidden}.da-header{height:var(--da-header-height);background:linear-gradient(135deg,var(--da-primary) 0%,var(--da-secondary) 100%);color:white;display:flex;align-items:center;justify-content:space-between;padding:0 15px;box-shadow:0 2px 10px rgba(0,0,0,0.15);z-index:1000;flex-shrink:0}.da-header-left{display:flex;align-items:center;gap:15px}.da-logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:white;font-weight:600;font-size:16px}.da-logo img{height:28px;width:auto}.da-logo-text{font-size:14px;opacity:0.9}.da-header-right{display:flex;align-items:center;gap:10px}.da-user-menu{position:relative}.da-user-btn{display:flex;align-items:center;gap:8px;background:rgba(255,255,255,0.1);border:none;padding:5px 10px;border-radius:20px;color:white;cursor:pointer;transition:var(--da-transition)}.da-user-btn:hover{background:rgba(255,255,255,0.2)}.da-user-avatar{width:28px;height:28px;border-radius:50%;object-fit:cover;border:2px solid rgba(255,255,255,0.3)}.da-user-name{font-size:12px;font-weight:500;max-width:100px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.da-dropdown{position:absolute;top:100%;right:0;margin-top:5px;background:white;border-radius:8px;box-shadow:0 4px 20px rgba(0,0,0,0.15);min-width:180px;display:none;z-index:1001}.da-dropdown.show{display:block}.da-dropdown-item{display:flex;align-items:center;gap:10px;padding:10px 15px;color:#333;text-decoration:none;font-size:13px;transition:var(--da-transition)}.da-dropdown-item:hover{background:var(--da-bg);color:var(--da-primary)}.da-dropdown-divider{height:1px;background:#e9ecef;margin:5px 0}.da-main{flex:1;display:flex;overflow:hidden}.da-content{flex:1;overflow:auto;padding:0}.da-content.with-padding{padding:20px}.da-sidebar{width:var(--da-sidebar-width);background:var(--da-dark);display:flex;flex-direction:column;align-items:center;padding:10px 0;gap:5px;flex-shrink:0}.da-sidebar-icon{width:40px;height:40px;display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,0.6);border-radius:8px;cursor:pointer;transition:var(--da-transition);text-decoration:none}.da-sidebar-icon:hover,.da-sidebar-icon.active{color:white;background:var(--da-primary)}.da-sidebar-icon i{font-size:18px}.da-sidebar-spacer{flex:1}.da-btn{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border:none;border-radius:6px;font-size:13px;font-weight:500;cursor:pointer;transition:var(--da-transition);text-decoration:none}.da-btn-primary{background:var(--da-primary);color:white}.da-btn-primary:hover{background:var(--da-primary-dark);color:white}.da-btn-secondary{background:#6c757d;color:white}.da-btn-secondary:hover{background:#5a6268;color:white}.da-btn-success{background:var(--da-success);color:white}.da-btn-success:hover{background:#218838;color:white}.da-btn-outline{background:transparent;border:1px solid var(--da-primary);color:var(--da-primary)}.da-btn-outline:hover{background:var(--da-primary);color:white}.da-btn-sm{padding:5px 10px;font-size:12px}.da-btn-icon{width:32px;height:32px;padding:0;display:flex;align-items:center;justify-content:center;border-radius:6px}.da-card{background:white;border-radius:10px;box-shadow:0 2px 8px rgba(0,0,0,0.08);overflow:hidden}.da-card-header{padding:15px 20px;border-bottom:1px solid #e9ecef;display:flex;align-items:center;justify-content:space-between}.da-card-title{font-size:16px;font-weight:600;color:#333;margin:0}.da-card-body{padding:20px}.da-table{width:100%;border-collapse:collapse}.da-table th,.da-table td{padding:12px 15px;text-align:left;border-bottom:1px solid #e9ecef}.da-table th{background:var(--da-bg);font-weight:600;font-size:12px;text-transform:uppercase;color:#6c757d}.da-table tr:hover td{background:#f8f9fa}.da-form-group{margin-bottom:15px}.da-form-label{display:block;font-size:13px;font-weight:500;color:#495057;margin-bottom:5px}.da-form-control{width:100%;padding:8px 12px;border:1px solid #ced4da;border-radius:6px;font-size:14px;transition:var(--da-transition)}.da-form-control:focus{outline:none;border-color:var(--da-primary);box-shadow:0 0 0 3px rgba(102,126,234,0.15)}.da-badge{display:inline-flex;align-items:center;padding:3px 8px;border-radius:4px;font-size:11px;font-weight:500}.da-badge-primary{background:rgba(102,126,234,0.15);color:var(--da-primary)}.da-badge-success{background:rgba(40,167,69,0.15);color:var(--da-success)}.da-badge-warning{background:rgba(255,193,7,0.15);color:#856404}.da-badge-danger{background:rgba(220,53,69,0.15);color:var(--da-danger)}.da-text-center{text-align:center}.da-text-right{text-align:right}.da-text-muted{color:#6c757d}.da-text-primary{color:var(--da-primary)}.da-text-success{color:var(--da-success)}.da-text-danger{color:var(--da-danger)}.da-mt-1{margin-top:0.25rem}.da-mt-2{margin-top:0.5rem}.da-mt-3{margin-top:1rem}.da-mb-1{margin-bottom:0.25rem}.da-mb-2{margin-bottom:0.5rem}.da-mb-3{margin-bottom:1rem}.da-p-2{padding:0.5rem}.da-p-3{padding:1rem}.da-d-flex{display:flex}.da-align-center{align-items:center}.da-justify-between{justify-content:space-between}.da-gap-2{gap:0.5rem}.da-gap-3{gap:1rem}@media (max-width:768px){.da-header{padding:0 10px}.da-user-name{display:none}.da-sidebar{width:50px}}@keyframes fadeIn{from{opacity:0}to{opacity:1}}@keyframes slideUp{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.da-fade-in{animation:fadeIn 0.3s ease}.da-slide-up{animation:slideUp 0.3s ease}#baseNavDropdownMenu a:hover,#baseNavDropdownMenu a.base-nav-active{background:#f0f2f5;color:#667eea!important}#baseNavDropdownMenu a.base-nav-active{font-weight:600}