:root{--primary: #0b57d0;--primary-hover: #0842a0;--primary-light: #e8f0fe;--on-primary: #ffffff;--primary-container: #d3e3fd;--on-primary-container: #041e49;--surface: #ffffff;--surface-bg: #f8fafd;--surface-container-lowest: #ffffff;--surface-container-low: #f2f5f9;--surface-container: #e9eff6;--surface-container-high: #dfe5ed;--on-surface: #1f1f1f;--on-surface-variant: #5f6368;--outline: #d3d7dc;--outline-variant: #e5e9ee;--error: #ba1a1a;--error-container: #ffdad6;--on-error-container: #410002;--success: #146c2e;--success-container: #c4eed0;--on-success-container: #07270e;--warning: #b25e02;--warning-container: #ffe7d0;--info: #00639b;--info-container: #cbe6ff;--font: "Google Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;--font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;--sidebar-width: 250px;--topbar-height: 56px;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 14px;--radius-xl: 20px;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .04);--shadow-md: 0 4px 12px rgba(0, 0, 0, .06)}@media(prefers-color-scheme:dark){:root{--primary: #a8c7fa;--primary-hover: #8ab4f8;--primary-light: #0d2847;--on-primary: #062e6f;--primary-container: #0842a0;--on-primary-container: #d3e3fd;--surface: #161719;--surface-bg: #101113;--surface-container-lowest: #1a1c1e;--surface-container-low: #202225;--surface-container: #26292d;--surface-container-high: #2f3237;--on-surface: #e3e3e3;--on-surface-variant: #9aa0a6;--outline: #3c4043;--outline-variant: #282a2d;--error: #ffb4ab;--error-container: #93000a;--on-error-container: #ffdad6;--success: #6dd58c;--success-container: #0f5223;--on-success-container: #c4eed0;--warning: #ffb77c;--warning-container: #4e2600;--info: #80cfff;--info-container: #004b75;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .3);--shadow-md: 0 4px 16px rgba(0, 0, 0, .4)}}*{box-sizing:border-box}body{margin:0;background:var(--surface-bg);color:var(--on-surface);font-family:var(--font);font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}button,input,select{font:inherit}.admin-layout{display:flex;min-height:100vh;width:100%}.sidebar{width:var(--sidebar-width);flex-shrink:0;background:var(--surface-container-low);border-right:1px solid var(--outline-variant);display:flex;flex-direction:column;position:sticky;top:0;height:100vh;overflow-y:auto;user-select:none;z-index:20}.sidebar__header{height:var(--topbar-height);padding:0 18px;display:flex;align-items:center;gap:10px;border-bottom:1px solid var(--outline-variant)}.sidebar__logo{width:32px;height:32px;border-radius:var(--radius-sm);background:var(--primary);color:var(--on-primary);display:grid;place-items:center}.sidebar__brand-meta{display:flex;align-items:center;gap:6px}.sidebar__title{font-size:16px;font-weight:600;letter-spacing:-.3px;color:var(--on-surface)}.sidebar__tag{font-size:10px;font-weight:600;text-transform:uppercase;letter-spacing:.5px;padding:2px 6px;border-radius:4px;background:var(--primary-container);color:var(--on-primary-container)}.sidebar__nav{padding:16px 12px;flex:1;display:flex;flex-direction:column;gap:4px}.nav-group-label{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.6px;color:var(--on-surface-variant);padding:12px 10px 6px}.nav-item{display:flex;align-items:center;gap:12px;width:100%;padding:10px 12px;border:0;border-radius:var(--radius-md);background:transparent;color:var(--on-surface-variant);font-weight:500;text-align:left;cursor:pointer;transition:all .15s ease}.nav-item:hover{background:var(--surface-container);color:var(--on-surface)}.nav-item--active{background:var(--primary-light);color:var(--primary);font-weight:600}.nav-counter{margin-left:auto;font-size:11px;padding:2px 7px;border-radius:10px;background:var(--surface-container-high);color:var(--on-surface);font-weight:600}.nav-item--active .nav-counter{background:var(--primary-container);color:var(--on-primary-container)}.sidebar__footer{margin-top:auto;padding:14px 12px;border-top:1px solid var(--outline-variant);background:var(--surface-container-low);display:flex;align-items:center;justify-content:space-between}.admin-profile{display:flex;align-items:center;gap:10px}.admin-avatar{width:32px;height:32px;border-radius:50%;background:var(--surface-container-high);color:var(--on-surface);display:grid;place-items:center;font-size:11px;font-weight:700}.admin-meta{display:flex;flex-direction:column}.admin-name{font-size:12px;font-weight:600;color:var(--on-surface)}.admin-status{display:flex;align-items:center;gap:5px;font-size:11px;color:var(--on-surface-variant)}.status-dot{width:6px;height:6px;border-radius:50%;background:var(--outline)}.status-dot--online{background:var(--success);box-shadow:0 0 6px var(--success)}.status-dot--offline{background:var(--error)}.signout-button{display:inline-flex;align-items:center;gap:5px;border:0;background:transparent;color:var(--on-surface-variant);padding:6px 8px;border-radius:var(--radius-sm);cursor:pointer;font-size:12px;transition:all .15s ease}.signout-button:hover{background:var(--error-container);color:var(--error)}.main-viewport{flex:1;min-width:0;display:flex;flex-direction:column}.topbar{height:var(--topbar-height);padding:0 28px;border-bottom:1px solid var(--outline-variant);background:var(--surface);display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:10;box-shadow:var(--shadow-sm)}.topbar__breadcrumbs{display:flex;align-items:center;gap:8px;font-size:13px}.crumb-root{color:var(--on-surface-variant)}.crumb-divider{color:var(--outline)}.crumb-current{color:var(--on-surface);font-weight:600}.topbar__tools{display:flex;align-items:center;gap:12px}.topbar__env-pill{display:inline-flex;align-items:center;gap:6px;font-size:11px;padding:4px 10px;border-radius:12px;background:var(--surface-container-low);border:1px solid var(--outline-variant);color:var(--on-surface-variant);font-family:var(--font-mono)}.env-dot{width:6px;height:6px;border-radius:50%;background:var(--success)}.refresh-btn{display:inline-flex;align-items:center;gap:6px;font-size:12px;height:32px;padding:0 12px}.refresh-icon.spin{animation:spin .8s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.main-content{padding:24px 28px 48px;max-width:1440px;width:100%;margin:0 auto}.tab-pane{display:flex;flex-direction:column;gap:20px;animation:fadeIn .2s ease}@keyframes fadeIn{0%{opacity:0;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}.metrics-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.metric-card{padding:18px 20px;border-radius:var(--radius-lg);background:var(--surface);border:1px solid var(--outline-variant);box-shadow:var(--shadow-sm);display:flex;flex-direction:column;gap:10px;position:relative;overflow:hidden;transition:transform .15s ease,box-shadow .15s ease}.metric-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}.metric-card:before{content:"";position:absolute;top:0;left:0;right:0;height:3px}.metric--primary:before{background:var(--primary)}.metric--success:before{background:var(--success)}.metric--info:before{background:var(--info)}.metric--warning:before{background:var(--warning)}.metric-header{display:flex;align-items:center;justify-content:space-between}.metric-title{font-size:13px;font-weight:500;color:var(--on-surface-variant)}.metric-icon{width:34px;height:34px;border-radius:var(--radius-md);display:grid;place-items:center}.metric--primary .metric-icon{background:var(--primary-light);color:var(--primary)}.metric--success .metric-icon{background:var(--success-container);color:var(--success)}.metric--info .metric-icon{background:var(--info-container);color:var(--info)}.metric--warning .metric-icon{background:var(--warning-container);color:var(--warning)}.metric-number{font-size:30px;font-weight:700;letter-spacing:-.6px;color:var(--on-surface);font-variant-numeric:tabular-nums;line-height:1}.metric-footer{font-size:11px;color:var(--on-surface-variant)}.panel-card{background:var(--surface);border-radius:var(--radius-lg);border:1px solid var(--outline-variant);box-shadow:var(--shadow-sm);overflow:hidden}.panel-card__header{padding:18px 24px;border-bottom:1px solid var(--outline-variant)}.panel-card__title{margin:0;font-size:16px;font-weight:600;color:var(--on-surface)}.table-toolbar{padding:16px 20px;display:flex;align-items:center;justify-content:space-between;gap:16px;border-bottom:1px solid var(--outline-variant);background:var(--surface)}.search-box{display:flex;align-items:center;position:relative;flex:1;max-width:440px;gap:8px}.search-icon{position:absolute;left:12px;color:var(--on-surface-variant);pointer-events:none}.search-input{width:100%;height:38px;padding:0 34px 0 36px;border:1px solid var(--outline);border-radius:var(--radius-md);background:var(--surface-container-low);color:var(--on-surface);outline:none;font-size:13px;transition:all .15s ease}.search-input:focus{background:var(--surface);border-color:var(--primary);box-shadow:0 0 0 2px var(--primary-light)}.search-clear{position:absolute;right:76px;border:0;background:transparent;color:var(--on-surface-variant);cursor:pointer;font-size:12px;padding:4px 6px}.search-submit{height:38px;padding:0 16px;font-size:13px;flex-shrink:0}.table-meta{font-size:13px;color:var(--on-surface-variant)}.total-badge strong{color:var(--primary)}.table-container{overflow-x:auto}.data-table{width:100%;border-collapse:collapse;text-align:left;font-size:13px;white-space:nowrap}.data-table thead th{background:var(--surface-container-low);color:var(--on-surface-variant);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.4px;padding:12px 18px;border-bottom:1px solid var(--outline-variant)}.data-table tbody td{padding:14px 18px;border-bottom:1px solid var(--outline-variant);color:var(--on-surface);vertical-align:middle}.data-table tbody tr{transition:background .12s ease}.data-table tbody tr:hover{background:var(--surface-container-low)}.user-profile-cell{display:flex;align-items:center;gap:12px}.user-avatar{width:36px;height:36px;border-radius:50%;object-fit:cover;flex-shrink:0;border:1px solid var(--outline-variant)}.user-avatar--placeholder{background:var(--primary-light);color:var(--primary);display:grid;place-items:center;font-weight:600;font-size:14px}.user-profile-text{display:flex;flex-direction:column}.user-name{font-weight:600;color:var(--on-surface)}.user-id-hint{font-size:11px;color:var(--on-surface-variant);font-family:var(--font-mono)}.user-email{font-family:var(--font-mono);font-size:12px}.user-date-cell{font-variant-numeric:tabular-nums;font-size:12px;color:var(--on-surface-variant)}.status-pill{display:inline-flex;align-items:center;gap:6px;padding:3px 10px;border-radius:12px;font-size:11px;font-weight:500;background:var(--surface-container-high);color:var(--on-surface-variant)}.status-pill-dot{width:6px;height:6px;border-radius:50%;background:currentColor}.status-pill--active{background:var(--success-container);color:var(--success)}.status-pill--error{background:var(--error-container);color:var(--error)}.table-empty{padding:50px 20px;text-align:center}.empty-state{display:flex;flex-direction:column;align-items:center;gap:8px;color:var(--on-surface-variant)}.empty-state p{margin:0;font-size:14px}.table-pagination{padding:14px 20px;display:flex;align-items:center;justify-content:space-between;background:var(--surface);font-size:12px;color:var(--on-surface-variant)}.pagination-actions{display:flex;align-items:center;gap:8px}.button{display:inline-flex;align-items:center;justify-content:center;gap:6px;height:36px;padding:0 16px;border-radius:var(--radius-md);border:1px solid transparent;font-weight:500;font-size:13px;cursor:pointer;transition:all .15s ease;white-space:nowrap}.button:disabled{opacity:.5;cursor:not-allowed}.button--primary{background:var(--primary);color:var(--on-primary)}.button--primary:hover:not(:disabled){background:var(--primary-hover)}.button--secondary{background:var(--surface);border-color:var(--outline);color:var(--on-surface)}.button--secondary:hover:not(:disabled){background:var(--surface-container-low);border-color:var(--on-surface-variant)}.button--danger{background:var(--error);color:#fff}.button--danger:hover:not(:disabled){background:#93000a}.field{display:flex;flex-direction:column;gap:6px;margin-bottom:16px}.field__label{font-size:12px;font-weight:500;color:var(--on-surface-variant)}.field__input{height:42px;padding:0 14px;border:1px solid var(--outline);border-radius:var(--radius-md);background:var(--surface);color:var(--on-surface);outline:none;font-size:14px;transition:all .15s ease}.field__input:focus{border-color:var(--primary);box-shadow:0 0 0 2px var(--primary-light)}.error-banner{padding:10px 14px;border-radius:var(--radius-md);background:var(--error-container);color:var(--on-error-container);font-size:13px;margin-bottom:16px;display:flex;align-items:center;gap:8px}.panel-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(360px,1fr));gap:20px}.overview-stats-list{padding:24px}.overview-stat-row{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}.overview-stat-row .label{font-size:13px;color:var(--on-surface-variant)}.value-badge{font-weight:700;font-size:14px;color:var(--primary)}.progress-bar{height:8px;background:var(--surface-container-high);border-radius:4px;overflow:hidden}.progress-fill{height:100%;background:var(--primary);border-radius:4px;transition:width .4s ease}.metrics-summary-box{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:24px;padding:16px;background:var(--surface-container-low);border-radius:var(--radius-md);text-align:center}.summary-label{display:block;font-size:11px;color:var(--on-surface-variant);margin-bottom:4px}.summary-num{font-size:20px;font-weight:700;color:var(--on-surface)}.topology-info{padding:20px 24px;display:flex;flex-direction:column;gap:16px}.topology-item{display:flex;gap:14px;align-items:flex-start}.topology-badge{font-size:11px;font-weight:600;padding:4px 8px;border-radius:var(--radius-sm);background:var(--surface-container-high);color:var(--on-surface-variant);flex-shrink:0}.topology-item strong{display:block;font-size:13px;color:var(--on-surface)}.topology-item p{margin:3px 0 0;font-size:12px;color:var(--on-surface-variant)}.settings-list{padding:12px 24px;display:flex;flex-direction:column}.settings-item{display:flex;align-items:center;justify-content:space-between;padding:18px 0;border-bottom:1px solid var(--outline-variant);gap:20px}.settings-item:last-child{border-bottom:0}.settings-item strong{display:block;font-size:14px;color:var(--on-surface)}.settings-item p{margin:4px 0 0;font-size:12px;color:var(--on-surface-variant)}.settings-item code{font-family:var(--font-mono);font-size:12px;padding:4px 10px;background:var(--surface-container-low);border:1px solid var(--outline-variant);border-radius:var(--radius-sm)}.settings-val{font-size:13px;color:var(--on-surface);font-weight:500}.settings-danger-zone{padding:20px 24px;background:var(--surface-container-low);border-top:1px solid var(--outline-variant);display:flex;justify-content:flex-end}.login-wrapper{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:24px;background:radial-gradient(circle at 50% 20%,var(--surface-container-low) 0%,var(--surface-bg) 100%)}.login-card{width:min(400px,100%);background:var(--surface);border:1px solid var(--outline-variant);border-radius:var(--radius-xl);box-shadow:var(--shadow-md);padding:36px 32px 28px}.login-brand{display:flex;align-items:center;gap:12px;margin-bottom:28px}.brand-logo{width:44px;height:44px;border-radius:var(--radius-md);background:var(--primary);color:var(--on-primary);display:grid;place-items:center}.login-title{margin:0;font-size:20px;font-weight:700;letter-spacing:-.4px;color:var(--on-surface)}.login-subtitle{font-size:12px;color:var(--on-surface-variant)}.login-form .button{width:100%;height:42px;margin-top:8px}.login-footer{margin-top:24px;text-align:center;font-size:11px;color:var(--on-surface-variant);border-top:1px solid var(--outline-variant);padding-top:18px}@media(max-width:1024px){.metrics-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:768px){.admin-layout{flex-direction:column}.sidebar{width:100%;height:auto;position:static;border-right:0;border-bottom:1px solid var(--outline-variant)}.sidebar__nav{flex-direction:row;overflow-x:auto;padding:8px 12px}.nav-group-label,.sidebar__footer{display:none}.nav-item{padding:8px 12px;white-space:nowrap;width:auto}.main-content{padding:16px}.metrics-grid{grid-template-columns:1fr}.table-toolbar{flex-direction:column;align-items:stretch}.search-box{max-width:100%}.topbar{padding:0 16px}}