.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;font-weight:500;border:none;border-radius:var(--radius-md);cursor:pointer;transition:all .2s;font-family:inherit;white-space:nowrap}.btn:active{transform:translateY(1px)}.btn-sm{padding:.375rem .75rem;font-size:.875rem}.btn-md{padding:.5rem 1rem;font-size:.9375rem}.btn-lg{padding:.75rem 1.5rem;font-size:1rem}.btn-primary{background-color:var(--primary);color:#fff}.btn-primary:hover:not(.btn-disabled){background-color:var(--primary-hover)}.btn-secondary{background-color:var(--gray-200);color:var(--gray-700)}.btn-secondary:hover:not(.btn-disabled){background-color:var(--gray-300)}.btn-success{background-color:var(--success);color:#fff}.btn-success:hover:not(.btn-disabled){background-color:#059669}.btn-danger{background-color:var(--danger);color:#fff}.btn-danger:hover:not(.btn-disabled){background-color:#dc2626}.btn-outline{background-color:transparent;border:1px solid var(--gray-300);color:var(--gray-700)}.btn-outline:hover:not(.btn-disabled){background-color:var(--gray-50);border-color:var(--gray-400)}.btn-ghost{background-color:transparent;color:var(--gray-700)}.btn-ghost:hover:not(.btn-disabled){background-color:var(--gray-100)}.btn-disabled{opacity:.6;cursor:not-allowed}.btn-spinner{width:16px;height:16px;border:2px solid currentColor;border-top-color:transparent;border-radius:50%;animation:spin .6s linear infinite}.input-group{display:flex;flex-direction:column;gap:.375rem;margin-bottom:var(--spacing-md)}.input-label{font-size:.875rem;font-weight:500;color:var(--gray-700)}.input-required{color:var(--danger);margin-left:.125rem}.input{padding:.625rem .875rem;border:1px solid var(--gray-300);border-radius:var(--radius-md);font-size:.9375rem;font-family:inherit;transition:all .2s;background:#fff;width:100%}.input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-light)}.input:disabled{background-color:var(--gray-100);cursor:not-allowed;opacity:.6}.input-error{border-color:var(--danger)}.input-error:focus{box-shadow:0 0 0 3px #ef44441a}.input-helper{font-size:.8125rem;color:var(--gray-500)}.input-error-msg{font-size:.8125rem;color:var(--danger)}.checkbox-label{display:flex;align-items:center;gap:.5rem;cursor:pointer;font-size:.9375rem;color:var(--gray-700)}.checkbox{width:18px;height:18px;cursor:pointer;accent-color:var(--primary)}select.input{cursor:pointer;-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%236b7280'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right .5rem center;background-size:1.5em 1.5em;padding-right:2.5rem}.card{background:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);border:1px solid var(--gray-200);overflow:hidden}.card-header{display:flex;align-items:center;justify-content:space-between;padding:var(--spacing-lg);border-bottom:1px solid var(--gray-200);background:var(--gray-50)}.card-title{margin:0;font-size:1.125rem;font-weight:600;color:var(--gray-900)}.card-actions{display:flex;gap:var(--spacing-sm)}.card-body{padding:var(--spacing-lg)}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#667eea,#764ba2);padding:var(--spacing-lg)}.login-container{width:100%;max-width:420px}.login-header{text-align:center;margin-bottom:var(--spacing-xl);color:#fff}.login-logo{font-size:4rem;margin-bottom:var(--spacing-md)}.login-header h1{margin:0;font-size:2rem;font-weight:700;margin-bottom:var(--spacing-sm)}.login-header p{margin:0;opacity:.9;font-size:1rem}.login-error{background-color:#fee2e2;color:#991b1b;padding:var(--spacing-md);border-radius:var(--radius-md);margin-bottom:var(--spacing-md);font-size:.9375rem}.login-button{width:100%;margin-top:var(--spacing-sm)}.login-footer{text-align:center;margin-top:var(--spacing-lg);color:#fff;opacity:.8;font-size:.875rem}.login-footer p{margin:0}.layout{display:flex;min-height:100vh;background-color:var(--gray-50)}.sidebar{background:#fff;border-right:1px solid var(--gray-200);display:flex;flex-direction:column;transition:width .3s ease;position:sticky;top:0;height:100vh;z-index:100}.sidebar-open{width:260px}.sidebar-closed{width:80px}.sidebar-header{padding:var(--spacing-lg);border-bottom:1px solid var(--gray-200)}.sidebar-logo{display:flex;align-items:center;gap:var(--spacing-md);font-weight:700;font-size:1.25rem;color:var(--primary)}.logo-icon{font-size:1.75rem;line-height:1}.logo-text{white-space:nowrap}.sidebar-nav{flex:1;padding:var(--spacing-md) 0;overflow-y:auto}.nav-item{display:flex;align-items:center;gap:var(--spacing-md);width:100%;padding:var(--spacing-md) var(--spacing-lg);border:none;background:none;cursor:pointer;font-size:.9375rem;font-weight:500;color:var(--gray-700);transition:all .2s;text-align:left;border-left:3px solid transparent}.nav-item:hover{background-color:var(--gray-50);color:var(--primary)}.nav-item-active{background-color:var(--primary-light);color:var(--primary);border-left-color:var(--primary)}.nav-icon{font-size:1.25rem;line-height:1;min-width:24px;text-align:center}.nav-label{white-space:nowrap}.sidebar-closed .nav-item{justify-content:center;padding:var(--spacing-md)}.sidebar-closed .nav-label{display:none}.sidebar-footer{padding:var(--spacing-md);border-top:1px solid var(--gray-200)}.sidebar-toggle{width:100%;padding:var(--spacing-sm);background:var(--gray-100);border:none;border-radius:var(--radius-md);cursor:pointer;font-size:1rem;color:var(--gray-600);transition:all .2s}.sidebar-toggle:hover{background:var(--gray-200);color:var(--gray-800)}.main-wrapper{flex:1;display:flex;flex-direction:column;min-width:0}.topbar{background:#fff;border-bottom:1px solid var(--gray-200);padding:var(--spacing-lg) var(--spacing-xl);display:flex;align-items:center;justify-content:space-between;gap:var(--spacing-lg);position:sticky;top:0;z-index:50}.topbar-left{flex:1}.page-title{margin:0;font-size:1.5rem;color:var(--gray-900)}.topbar-right,.user-menu{display:flex;align-items:center;gap:var(--spacing-md)}.user-info{display:flex;flex-direction:column;align-items:flex-end;gap:.125rem}.user-name{font-size:.9375rem;font-weight:500;color:var(--gray-900)}.user-email{font-size:.8125rem;color:var(--gray-500)}.btn-logout{width:40px;height:40px;display:flex;align-items:center;justify-content:center;border:none;background:var(--gray-100);border-radius:var(--radius-md);cursor:pointer;font-size:1.25rem;transition:all .2s}.btn-logout:hover{background:var(--danger);transform:translateY(-1px)}.content{flex:1;padding:var(--spacing-xl);max-width:1400px;width:100%;margin:0 auto}@media (max-width: 768px){.sidebar-open{position:fixed;z-index:200}.sidebar-closed{width:0;border:none}.topbar{padding:var(--spacing-md) var(--spacing-lg)}.page-title{font-size:1.25rem}.user-info{display:none}.content{padding:var(--spacing-lg)}}.dashboard-page{display:flex;flex-direction:column;gap:var(--spacing-xl)}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:var(--spacing-lg)}.stat-card{transition:transform .2s,box-shadow .2s}.stat-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}.stat-content{display:flex;align-items:center;gap:var(--spacing-lg)}.stat-icon{width:60px;height:60px;display:flex;align-items:center;justify-content:center;font-size:2rem;border-radius:var(--radius-lg)}.stat-details{flex:1}.stat-title{font-size:.875rem;color:var(--gray-600);margin-bottom:.25rem}.stat-value{font-size:2rem;font-weight:700;color:var(--gray-900);line-height:1}.dashboard-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:var(--spacing-lg)}.system-overview .overview-item{display:flex;justify-content:space-between;align-items:center;padding:var(--spacing-md) 0;border-bottom:1px solid var(--gray-200)}.system-overview .overview-item:last-child{border-bottom:none}.overview-label{font-weight:500;color:var(--gray-700)}.overview-value{display:flex;align-items:center;gap:.5rem;color:var(--gray-900)}.status-dot{width:8px;height:8px;border-radius:50%}.status-active{background-color:var(--success);box-shadow:0 0 0 3px #10b98133}.quick-actions-list{display:flex;flex-direction:column;gap:var(--spacing-sm)}.quick-action-item{display:flex;align-items:center;gap:var(--spacing-md);padding:var(--spacing-md);border-radius:var(--radius-md);background-color:var(--gray-50);cursor:pointer;transition:all .2s;font-weight:500}.quick-action-item:hover{background-color:var(--gray-100);transform:translate(4px)}.quick-action-icon{font-size:1.5rem}.system-info p{color:var(--gray-700);line-height:1.6;margin-bottom:var(--spacing-lg)}.info-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:var(--spacing-lg)}.info-item{text-align:center;padding:var(--spacing-md);background-color:var(--gray-50);border-radius:var(--radius-md)}.info-label{font-size:.875rem;color:var(--gray-600);margin-bottom:.25rem}.info-value{font-weight:600;color:var(--gray-900)}@media (max-width: 768px){.stats-grid,.dashboard-grid{grid-template-columns:1fr}.info-grid{grid-template-columns:repeat(2,1fr)}}.modal-backdrop{position:fixed;top:0;left:0;right:0;bottom:0;background-color:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000;padding:var(--spacing-lg);animation:fadeIn .2s}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.modal{background:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadow-xl);max-height:90vh;display:flex;flex-direction:column;animation:slideUp .3s}@keyframes slideUp{0%{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}.modal-sm{width:100%;max-width:400px}.modal-md{width:100%;max-width:600px}.modal-lg{width:100%;max-width:800px}.modal-xl{width:100%;max-width:1200px}.modal-header{display:flex;align-items:center;justify-content:space-between;padding:var(--spacing-lg);border-bottom:1px solid var(--gray-200)}.modal-title{margin:0;font-size:1.25rem;font-weight:600;color:var(--gray-900)}.modal-close{background:none;border:none;font-size:2rem;line-height:1;color:var(--gray-400);cursor:pointer;padding:0;width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-md);transition:all .2s}.modal-close:hover{background-color:var(--gray-100);color:var(--gray-600)}.modal-body{padding:var(--spacing-lg);overflow-y:auto;flex:1}.modal-footer{display:flex;gap:var(--spacing-sm);justify-content:flex-end;padding:var(--spacing-lg);border-top:1px solid var(--gray-200);background-color:var(--gray-50)}.badge{display:inline-flex;align-items:center;justify-content:center;font-weight:500;border-radius:var(--radius-md);white-space:nowrap}.badge-sm{padding:.125rem .5rem;font-size:.75rem}.badge-md{padding:.25rem .625rem;font-size:.8125rem}.badge-lg{padding:.375rem .75rem;font-size:.875rem}.badge-default{background-color:var(--gray-100);color:var(--gray-700)}.badge-primary{background-color:var(--primary-light);color:var(--primary)}.badge-success{background-color:#d1fae5;color:#065f46}.badge-danger{background-color:#fee2e2;color:#991b1b}.badge-warning{background-color:#fef3c7;color:#92400e}.badge-info{background-color:#cffafe;color:#155e75}.table-container{overflow-x:auto;border-radius:var(--radius-md);border:1px solid var(--gray-200);background:#fff}.table{width:100%;border-collapse:collapse;font-size:.9375rem}.table thead{background-color:var(--gray-50);border-bottom:2px solid var(--gray-200)}.table th{padding:.875rem 1rem;font-weight:600;color:var(--gray-700);text-align:left;white-space:nowrap}.table td{padding:.875rem 1rem;color:var(--gray-900);border-bottom:1px solid var(--gray-200)}.table tbody tr:last-child td{border-bottom:none}.table tbody tr:hover{background-color:var(--gray-50);transition:background-color .15s}.table-empty{text-align:center!important;padding:3rem 1rem!important;color:var(--gray-500)}.table-loading{padding:3rem;display:flex;flex-direction:column;align-items:center;gap:1rem;color:var(--gray-500)}:root{--primary: #2563eb;--primary-hover: #1d4ed8;--primary-light: #dbeafe;--secondary: #64748b;--success: #10b981;--danger: #ef4444;--warning: #f59e0b;--info: #06b6d4;--gray-50: #f9fafb;--gray-100: #f3f4f6;--gray-200: #e5e7eb;--gray-300: #d1d5db;--gray-400: #9ca3af;--gray-500: #6b7280;--gray-600: #4b5563;--gray-700: #374151;--gray-800: #1f2937;--gray-900: #111827;--spacing-xs: .25rem;--spacing-sm: .5rem;--spacing-md: 1rem;--spacing-lg: 1.5rem;--spacing-xl: 2rem;--spacing-2xl: 3rem;--radius-sm: .25rem;--radius-md: .5rem;--radius-lg: .75rem;--radius-xl: 1rem;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -1px rgba(0, 0, 0, .06);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -2px rgba(0, 0, 0, .05);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .1), 0 10px 10px -5px rgba(0, 0, 0, .04);--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;--font-mono: "SF Mono", Monaco, "Cascadia Code", "Roboto Mono", Consolas, "Courier New", monospace}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-sans);color:var(--gray-900);background-color:var(--gray-50);line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}h1,h2,h3,h4,h5,h6{font-weight:600;line-height:1.2;margin-bottom:var(--spacing-md)}h1{font-size:2rem}h2{font-size:1.5rem}h3{font-size:1.25rem}h4{font-size:1.125rem}p{margin-bottom:var(--spacing-md)}a{color:var(--primary);text-decoration:none;transition:color .2s}a:hover{color:var(--primary-hover)}.container{max-width:1280px;margin:0 auto;padding:0 var(--spacing-lg)}.flex{display:flex}.flex-col{display:flex;flex-direction:column}.items-center{align-items:center}.justify-between{justify-content:space-between}.justify-center{justify-content:center}.gap-1{gap:var(--spacing-xs)}.gap-2{gap:var(--spacing-sm)}.gap-3{gap:var(--spacing-md)}.gap-4{gap:var(--spacing-lg)}.mt-1{margin-top:var(--spacing-xs)}.mt-2{margin-top:var(--spacing-sm)}.mt-3{margin-top:var(--spacing-md)}.mt-4{margin-top:var(--spacing-lg)}.mb-1{margin-bottom:var(--spacing-xs)}.mb-2{margin-bottom:var(--spacing-sm)}.mb-3{margin-bottom:var(--spacing-md)}.mb-4{margin-bottom:var(--spacing-lg)}.p-2{padding:var(--spacing-sm)}.p-3{padding:var(--spacing-md)}.p-4{padding:var(--spacing-lg)}.text-sm{font-size:.875rem}.text-lg{font-size:1.125rem}.text-xl{font-size:1.25rem}.text-center{text-align:center}.text-right{text-align:right}.font-medium{font-weight:500}.font-semibold{font-weight:600}.font-bold{font-weight:700}.text-gray-500{color:var(--gray-500)}.text-gray-600{color:var(--gray-600)}.text-gray-700{color:var(--gray-700)}.text-primary{color:var(--primary)}.text-success{color:var(--success)}.text-danger{color:var(--danger)}.text-warning{color:var(--warning)}.spinner{border:3px solid var(--gray-200);border-top-color:var(--primary);border-radius:50%;width:40px;height:40px;animation:spin .8s linear infinite;margin:var(--spacing-xl) auto}@keyframes spin{to{transform:rotate(360deg)}}@media (max-width: 768px){h1{font-size:1.5rem}h2{font-size:1.25rem}h3{font-size:1.125rem}}