:root{--bg-primary: #000000;--bg-secondary: #1c1c1e;--bg-tertiary: #2c2c2e;--bg-elevated: #3a3a3c;--text-primary: #ffffff;--text-secondary: #8e8e93;--text-tertiary: #636366;--accent-blue: #0a84ff;--accent-green: #30d158;--accent-orange: #ff9f0a;--accent-red: #ff453a;--accent-purple: #bf5af2;--accent-yellow: #ffd60a;--border-color: #38383a;--separator: #38383a;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 20px;--shadow-sm: 0 2px 8px rgba(0,0,0,.3);--shadow-md: 0 4px 16px rgba(0,0,0,.4);--shadow-lg: 0 8px 32px rgba(0,0,0,.5);--font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "SF Pro Display", "Helvetica Neue", sans-serif;--font-size-xs: 11px;--font-size-sm: 13px;--font-size-md: 15px;--font-size-lg: 17px;--font-size-xl: 22px;--font-size-2xl: 28px;--sidebar-width: 220px;--topbar-height: 52px}*{box-sizing:border-box;margin:0;padding:0}html,body{font-family:var(--font-family);font-size:var(--font-size-md);color:var(--text-primary);background:var(--bg-primary);line-height:1.4;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#app{min-height:100vh}h1{font-size:var(--font-size-2xl);font-weight:600;letter-spacing:-.3px}h2{font-size:var(--font-size-xl);font-weight:600;letter-spacing:-.2px}h3{font-size:var(--font-size-lg);font-weight:600}.admin-layout{display:flex;min-height:100vh}.main-content{flex:1;margin-left:var(--sidebar-width);padding:24px 32px;min-height:100vh}.page-header{margin-bottom:24px}.page-title{font-size:var(--font-size-2xl);font-weight:600;color:var(--text-primary);margin-bottom:4px}.page-subtitle{font-size:var(--font-size-sm);color:var(--text-secondary)}.sidebar{position:fixed;left:0;top:0;width:var(--sidebar-width);height:100vh;background:var(--bg-secondary);border-right:1px solid var(--border-color);display:flex;flex-direction:column;z-index:100}.sidebar-brand{display:flex;align-items:center;gap:12px;padding:20px 16px;border-bottom:1px solid var(--border-color)}.sidebar-brand .logo{width:36px;height:36px;background:linear-gradient(135deg,var(--accent-blue),var(--accent-purple));border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;font-size:var(--font-size-lg);font-weight:600;color:#fff}.sidebar-brand .brand-text{font-size:var(--font-size-md);font-weight:600}.sidebar-brand .brand-sub{font-size:var(--font-size-xs);color:var(--text-tertiary)}.sidebar-nav{flex:1;padding:12px 10px;overflow-y:auto}.nav-group{margin-bottom:20px}.nav-group-title{font-size:var(--font-size-xs);color:var(--text-tertiary);text-transform:uppercase;letter-spacing:.5px;padding:0 8px;margin-bottom:6px}.nav-item{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:var(--radius-sm);color:var(--text-secondary);text-decoration:none;font-size:var(--font-size-sm);transition:all .15s ease;cursor:pointer}.nav-item:hover{background:var(--bg-tertiary);color:var(--text-primary)}.nav-item.active{background:var(--accent-blue);color:#fff}.nav-item svg{width:18px;height:18px;flex-shrink:0}.sidebar-footer{padding:16px;border-top:1px solid var(--border-color);font-size:var(--font-size-xs);color:var(--text-tertiary)}.topbar{display:flex;align-items:center;justify-content:space-between;padding:12px 32px;background:var(--bg-secondary);border-bottom:1px solid var(--border-color);position:sticky;top:0;z-index:50}.topbar-left{display:flex;align-items:center;gap:16px}.breadcrumb{display:flex;align-items:center;gap:8px;font-size:var(--font-size-sm);color:var(--text-secondary)}.breadcrumb span{color:var(--text-tertiary)}.breadcrumb strong{color:var(--text-primary);font-weight:500}.topbar-right{display:flex;align-items:center;gap:12px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:8px 16px;border-radius:var(--radius-sm);font-size:var(--font-size-sm);font-weight:500;border:none;cursor:pointer;transition:all .15s ease}.btn-primary{background:var(--accent-blue);color:#fff}.btn-primary:hover{background:#0070e0}.btn-secondary{background:var(--bg-tertiary);color:var(--text-primary)}.btn-secondary:hover{background:var(--bg-elevated)}.btn-ghost{background:transparent;color:var(--text-secondary)}.btn-ghost:hover{background:var(--bg-tertiary);color:var(--text-primary)}.btn-danger{background:var(--accent-red);color:#fff}.btn:disabled{opacity:.5;cursor:not-allowed}.card{background:var(--bg-secondary);border-radius:var(--radius-lg);border:1px solid var(--border-color);overflow:hidden}.card-header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--border-color)}.card-title{font-size:var(--font-size-md);font-weight:600}.card-body{padding:20px}.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:16px;margin-bottom:24px}.stat-card{background:var(--bg-secondary);border-radius:var(--radius-lg);border:1px solid var(--border-color);padding:20px}.stat-icon{width:40px;height:40px;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;margin-bottom:12px}.stat-icon.blue{background:#0a84ff26;color:var(--accent-blue)}.stat-icon.green{background:#30d15826;color:var(--accent-green)}.stat-icon.orange{background:#ff9f0a26;color:var(--accent-orange)}.stat-icon.red{background:#ff453a26;color:var(--accent-red)}.stat-icon.purple{background:#bf5af226;color:var(--accent-purple)}.stat-icon.yellow{background:#ffd60a26;color:var(--accent-yellow)}.stat-icon svg{width:20px;height:20px}.stat-value{font-size:var(--font-size-2xl);font-weight:600;color:var(--text-primary);margin-bottom:4px}.stat-label{font-size:var(--font-size-sm);color:var(--text-secondary)}.stat-change{font-size:var(--font-size-xs);margin-top:8px}.stat-change.up{color:var(--accent-green)}.stat-change.down{color:var(--accent-red)}.table-wrapper{overflow-x:auto}.table{width:100%;border-collapse:collapse}.table th,.table td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--border-color)}.table th{font-size:var(--font-size-xs);font-weight:500;color:var(--text-tertiary);text-transform:uppercase;letter-spacing:.5px;background:var(--bg-tertiary)}.table td{font-size:var(--font-size-sm);color:var(--text-primary)}.table tbody tr:hover{background:var(--bg-tertiary)}.table-num{font-variant-numeric:tabular-nums;color:var(--text-secondary)}.pill{display:inline-flex;align-items:center;padding:4px 10px;border-radius:999px;font-size:var(--font-size-xs);font-weight:500}.pill-blue{background:#0a84ff26;color:var(--accent-blue)}.pill-green{background:#30d15826;color:var(--accent-green)}.pill-orange{background:#ff9f0a26;color:var(--accent-orange)}.pill-red{background:#ff453a26;color:var(--accent-red)}.pill-purple{background:#bf5af226;color:var(--accent-purple)}.pill-gray{background:var(--bg-tertiary);color:var(--text-secondary)}.form-group{margin-bottom:16px}.form-label{display:block;font-size:var(--font-size-sm);font-weight:500;color:var(--text-secondary);margin-bottom:6px}.form-input{width:100%;padding:10px 14px;background:var(--bg-tertiary);border:1px solid var(--border-color);border-radius:var(--radius-sm);font-size:var(--font-size-sm);color:var(--text-primary);transition:border-color .15s}.form-input:focus{outline:none;border-color:var(--accent-blue)}.form-input::placeholder{color:var(--text-tertiary)}.form-select{-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%238e8e93' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;padding-right:36px}textarea.form-input{min-height:100px;resize:vertical}.tabs{display:flex;gap:4px;padding:4px;background:var(--bg-tertiary);border-radius:var(--radius-sm)}.tab{padding:8px 16px;border-radius:6px;font-size:var(--font-size-sm);color:var(--text-secondary);cursor:pointer;transition:all .15s;border:none;background:transparent}.tab:hover{color:var(--text-primary)}.tab.active{background:var(--bg-secondary);color:var(--text-primary);box-shadow:var(--shadow-sm)}.drawer-mask{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;opacity:0;visibility:hidden;transition:all .2s;z-index:200}.drawer-mask.open{opacity:1;visibility:visible}.drawer{position:fixed;top:0;right:0;width:480px;max-width:100%;height:100vh;background:var(--bg-secondary);border-left:1px solid var(--border-color);transform:translate(100%);transition:transform .3s ease;z-index:201;display:flex;flex-direction:column}.drawer.open{transform:translate(0)}.drawer-header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--border-color)}.drawer-header h3{font-size:var(--font-size-lg);font-weight:600}.drawer-body{flex:1;padding:20px;overflow-y:auto}.drawer-footer{padding:16px 20px;border-top:1px solid var(--border-color);display:flex;justify-content:flex-end;gap:12px}.progress-bar{height:6px;background:var(--bg-tertiary);border-radius:3px;overflow:hidden}.progress-fill{height:100%;border-radius:3px;transition:width .3s ease}.progress-fill.blue{background:var(--accent-blue)}.progress-fill.green{background:var(--accent-green)}.progress-fill.orange{background:var(--accent-orange)}.progress-fill.red{background:var(--accent-red)}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bg-primary)}.login-card{width:360px;padding:40px;background:var(--bg-secondary);border-radius:var(--radius-xl);border:1px solid var(--border-color)}.login-logo{width:60px;height:60px;background:linear-gradient(135deg,var(--accent-blue),var(--accent-purple));border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;font-size:28px;font-weight:600;color:#fff;margin:0 auto 24px}.login-title{text-align:center;font-size:var(--font-size-xl);font-weight:600;margin-bottom:8px}.login-subtitle{text-align:center;font-size:var(--font-size-sm);color:var(--text-secondary);margin-bottom:32px}.login-form .btn{width:100%;padding:12px;font-size:var(--font-size-md);margin-top:8px}.login-error{margin-top:12px;padding:12px;background:#ff453a1a;border-radius:var(--radius-sm);color:var(--accent-red);font-size:var(--font-size-sm);text-align:center}.empty-state{padding:60px 20px;text-align:center;color:var(--text-tertiary)}.empty-state svg{width:48px;height:48px;margin-bottom:16px;opacity:.5}.empty-state p{font-size:var(--font-size-sm)}.loading{display:flex;align-items:center;justify-content:center;padding:40px}.spinner{width:24px;height:24px;border:2px solid var(--border-color);border-top-color:var(--accent-blue);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}@media(max-width:1024px){.grid-2,.grid-3{grid-template-columns:1fr}}.text-center{text-align:center}.text-right{text-align:right}.text-muted{color:var(--text-secondary)}.text-xs{font-size:var(--font-size-xs)}.text-sm{font-size:var(--font-size-sm)}.text-lg{font-size:var(--font-size-lg)}.font-medium{font-weight:500}.font-semibold{font-weight:600}.mt-1{margin-top:8px}.mt-2{margin-top:16px}.mt-3{margin-top:24px}.mb-1{margin-bottom:8px}.mb-2{margin-bottom:16px}.mb-3{margin-bottom:24px}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-between{justify-content:space-between}.gap-2{gap:8px}.gap-3{gap:12px}.gap-4{gap:16px}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--bg-elevated);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--text-tertiary)}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.fade-in{animation:fadeIn .3s ease}.avatar{width:32px;height:32px;border-radius:50%;background:var(--bg-tertiary);display:flex;align-items:center;justify-content:center;font-size:var(--font-size-sm);font-weight:500;color:var(--text-secondary);overflow:hidden}.avatar img{width:100%;height:100%;object-fit:cover}.avatar-sm{width:24px;height:24px;font-size:var(--font-size-xs)}.avatar-lg{width:48px;height:48px;font-size:var(--font-size-lg)}.avatar-xl{width:64px;height:64px;font-size:var(--font-size-xl)}.user-chip{display:flex;align-items:center;gap:8px;padding:6px 12px 6px 6px;background:var(--bg-tertiary);border-radius:999px;cursor:pointer;transition:background .15s}.user-chip:hover{background:var(--bg-elevated)}.user-chip .name{font-size:var(--font-size-sm);color:var(--text-primary)}.system-card{background:var(--bg-secondary);border-radius:var(--radius-lg);border:1px solid var(--border-color);padding:20px}.system-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.system-title{display:flex;align-items:center;gap:10px;font-size:var(--font-size-md);font-weight:600}.system-status-dot{width:8px;height:8px;border-radius:50%;background:var(--accent-green)}.system-status-dot.warning{background:var(--accent-orange)}.system-status-dot.error{background:var(--accent-red)}.system-metrics{display:flex;flex-direction:column;gap:12px}.metric-row{display:flex;align-items:center;gap:12px}.metric-row .label{width:60px;font-size:var(--font-size-sm);color:var(--text-secondary)}.metric-row .progress-bar{flex:1}.metric-row .value{width:50px;font-size:var(--font-size-sm);color:var(--text-primary);text-align:right;font-variant-numeric:tabular-nums}