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var(--color-border);border-radius:var(--radius-sm);background-color:var(--color-surface)}.filter-input:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 2px var(--color-primary-light)}.page-loading{min-height:60vh}.loading-state,.page-loading{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center}.loading-state{padding:var(--spacing-2xl)}.loading-spinner{width:40px;height:40px;border:3px solid var(--color-border-light);border-top-color:var(--color-primary);border-radius:50%;animation:spin .8s linear infinite}.loading-text{margin-top:var(--spacing-md);color:var(--color-text-secondary);font-size:var(--font-size-sm)}@keyframes spin{to{transform:rotate(1turn)}}.skeleton{background:linear-gradient(90deg,#e5e7eb 25%,#f3f4f6 50%,#e5e7eb 75%);background-size:200% 100%;animation:skeleton-loading 1.5s infinite;border-radius:4px}@keyframes skeleton-loading{0%{background-position:200% 0}to{background-position:-200% 0}}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:var(--spacing-2xl);text-align:center}.empty-state-icon{width:64px;height:64px;margin-bottom:var(--spacing-md);color:var(--color-text-tertiary)}.empty-state-title{font-size:var(--font-size-lg);font-weight:var(--font-weight-semibold);color:var(--color-text-primary);margin-bottom:var(--spacing-sm)}.empty-state-description{font-size:var(--font-size-sm);color:var(--color-text-secondary);margin-bottom:var(--spacing-lg);max-width:400px}.alert{display:flex;align-items:flex-start;gap:var(--spacing-sm);padding:var(--spacing-md);border-radius:var(--radius-md);font-size:var(--font-size-sm);margin-bottom:var(--spacing-md)}.alert-icon{flex-shrink:0;width:20px;height:20px}.alert-content{flex:1 1}.alert-title{font-weight:var(--font-weight-semibold);margin-bottom:var(--spacing-xs)}.alert-error{background-color:var(--color-error-light);color:var(--color-error-dark);border:1px solid var(--color-error)}.alert-success{background-color:var(--color-success-light);color:var(--color-success-dark);border:1px solid var(--color-success)}.alert-warning{background-color:var(--color-warning-light);color:var(--color-warning-dark);border:1px solid var(--color-warning)}.alert-info{background-color:var(--color-info-light);color:var(--color-primary-dark);border:1px solid var(--color-info)}.tabs{display:flex;border-bottom:1px solid var(--color-border);margin-bottom:var(--spacing-lg)}.tab{padding:var(--spacing-md) var(--spacing-lg);font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);color:var(--color-text-secondary);background:none;border:none;border-bottom:2px solid transparent;cursor:pointer;transition:all var(--transition-fast);margin-bottom:-1px}.tab:hover{color:var(--color-text-primary)}.tab.active{color:var(--color-primary);border-bottom-color:var(--color-primary)}.tab-content{display:none}.tab-content.active{display:block}.tooltip{position:relative}.tooltip-content{position:absolute;bottom:100%;left:50%;transform:translateX(-50%);padding:var(--spacing-xs) var(--spacing-sm);background-color:var(--color-text-primary);color:var(--color-text-inverse);font-size:var(--font-size-xs);border-radius:var(--radius-sm);white-space:nowrap;opacity:0;visibility:hidden;transition:all var(--transition-fast);z-index:var(--z-tooltip);margin-bottom:var(--spacing-xs)}.tooltip:hover .tooltip-content{opacity:1;visibility:visible}.search-input-wrapper{position:relative;display:flex;align-items:center}.search-input{width:100%;padding:var(--spacing-sm) var(--spacing-md);padding-left:var(--spacing-xl);font-size:var(--font-size-sm);border:1px solid var(--color-border);border-radius:var(--radius-md);background-color:var(--color-surface);transition:all var(--transition-fast)}.search-input:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px var(--color-primary-light)}.search-icon{position:absolute;left:var(--spacing-sm);color:var(--color-text-tertiary);pointer-events:none}.dropdown{position:relative;display:inline-block}.dropdown-menu{position:absolute;top:100%;right:0;min-width:180px;background-color:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);box-shadow:var(--shadow-lg);z-index:var(--z-dropdown);opacity:0;visibility:hidden;transform:translateY(-8px);transition:all var(--transition-fast)}.dropdown.open .dropdown-menu{opacity:1;visibility:visible;transform:translateY(var(--spacing-xs))}.dropdown-item{display:flex;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-sm) var(--spacing-md);font-size:var(--font-size-sm);color:var(--color-text-primary);cursor:pointer;transition:background-color var(--transition-fast)}.dropdown-item:hover{background-color:var(--color-surface-hover)}.dropdown-item-danger{color:var(--color-error)}.dropdown-divider{height:1px;background-color:var(--color-border-light);margin:var(--spacing-xs) 0}.footer{background:#f8f9fb;border-top:1px solid var(--color-border);padding:20px 0;margin-top:auto}.footer-content{text-align:center}.footer-text{color:var(--color-text-tertiary);font-size:12px;margin:4px 0}.footer-brand{font-weight:600;color:var(--color-text-secondary)}@media (max-width:768px){.header-content{padding:0 var(--spacing-sm)}.header-subtitle{display:none}.header-nav{gap:var(--spacing-xs)}.header-nav-link{padding:var(--spacing-sm);font-size:var(--font-size-sm)}.main-content{padding:16px 0}.page-title{font-size:var(--font-size-xl)}.stats-grid{grid-template-columns:1fr}.table-container{overflow-x:auto;-webkit-overflow-scrolling:touch}table{min-width:600px}td,th{padding:var(--spacing-sm)}.detail-row{flex-direction:column;gap:var(--spacing-xs)}.detail-label{flex:none}.detail-header{flex-direction:column;align-items:flex-start;gap:var(--spacing-md)}.detail-actions{flex-wrap:wrap}.filters{flex-direction:column}.filter-group{min-width:100%}.modal-content{max-width:100%;max-height:100vh;border-radius:0}.modal-overlay{padding:0}.btn-lg{padding:var(--spacing-sm) var(--spacing-md)}}@media (max-width:480px){.header-brand{gap:var(--spacing-sm)}.header-logo{width:32px;height:32px}.header-logo,.header-title{font-size:var(--font-size-base)}.page-header{margin-bottom:var(--spacing-lg)}.stat-card{padding:var(--spacing-md)}.stat-value{font-size:var(--font-size-2xl)}}