:root{--bg: #0e1117;--bg-sidebar: #161b22;--bg-card: #1c2128;--bg-input: #21262d;--border: #30363d;--border-focus: #388bfd;--text: #e6edf3;--text-muted: #8b949e;--text-dim: #484f58;--primary: #388bfd;--primary-hover: #58a6ff;--primary-bg: rgba(56, 139, 253, .12);--danger: #f85149;--success: #3fb950;--success-bg: rgba(63, 185, 80, .12);--danger-bg: rgba(248, 81, 73, .12);--radius: 8px;--radius-lg: 12px;--shadow: 0 2px 8px rgba(0, 0, 0, .3);--transition: .15s ease}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:14px}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,sans-serif;background:var(--bg);color:var(--text);line-height:1.5;-webkit-font-smoothing:antialiased}.hub-root{display:flex;min-height:100vh}.sidebar{width:240px;flex-shrink:0;background:var(--bg-sidebar);border-right:1px solid var(--border);display:flex;flex-direction:column;padding:16px 0}.sidebar-brand{display:flex;align-items:center;gap:10px;padding:8px 20px 20px}.brand-icon{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:8px;background:var(--primary);color:#fff;font-weight:800;font-size:16px}.brand-icon.lg{width:48px;height:48px;font-size:24px;border-radius:12px}.brand-text{font-weight:700;font-size:16px;color:var(--text)}.sidebar-nav{flex:1;display:flex;flex-direction:column;gap:2px;padding:0 8px}.nav-btn{display:flex;align-items:center;gap:10px;width:100%;padding:10px 12px;border:none;border-radius:var(--radius);background:transparent;color:var(--text-muted);font-size:14px;cursor:pointer;transition:all var(--transition);text-align:left}.nav-btn:hover{background:var(--bg-input);color:var(--text)}.nav-btn.active{background:var(--primary-bg);color:var(--primary);font-weight:600}.nav-icon{font-size:14px;width:18px;text-align:center}.logout-btn{margin-top:auto;color:var(--danger)}.logout-btn:hover{background:var(--danger-bg)}.content{flex:1;padding:32px;overflow-y:auto;max-height:100vh}.section{max-width:1200px}.section h1{font-size:24px;font-weight:700;margin-bottom:24px}.section-header{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;margin-bottom:24px}.section-header h1{margin-bottom:0}.header-actions{display:flex;gap:12px;align-items:center}.kpi-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px}.kpi-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:24px}.kpi-value{font-size:36px;font-weight:800;color:var(--primary)}.kpi-label{font-size:13px;color:var(--text-muted);margin-top:4px}.surface{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:20px;overflow-x:auto}.surface h3{font-size:16px;font-weight:600;margin-bottom:16px}.data-table{width:100%;border-collapse:collapse}.data-table th{text-align:left;padding:10px 12px;font-size:12px;text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted);border-bottom:1px solid var(--border)}.data-table td{padding:10px 12px;border-bottom:1px solid var(--border);vertical-align:middle}.data-table tbody tr:hover{background:#ffffff05}.data-table code{font-size:12px;color:var(--text-muted)}.center{text-align:center}.empty-row{text-align:center;color:var(--text-dim);padding:32px 12px!important}.api-key-cell{-webkit-user-select:all;user-select:all}.badge{display:inline-block;padding:2px 8px;border-radius:999px;font-size:12px;font-weight:600}.badge-ok{background:var(--success-bg);color:var(--success)}.badge-err{background:var(--danger-bg);color:var(--danger)}.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border:1px solid var(--border);border-radius:var(--radius);background:var(--bg-input);color:var(--text);font-size:13px;cursor:pointer;transition:all var(--transition)}.btn:hover{border-color:var(--text-muted)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--primary);border-color:var(--primary);color:#fff;font-weight:600}.btn-primary:hover{background:var(--primary-hover);border-color:var(--primary-hover)}.btn-secondary{background:transparent;border-color:var(--border);color:var(--text-muted)}.btn-secondary:hover{color:var(--text)}.btn-sm{padding:4px 10px;font-size:12px}.btn-block{width:100%;justify-content:center;padding:12px;font-size:15px}.select-co{padding:8px 12px;border:1px solid var(--border);border-radius:var(--radius);background:var(--bg-input);color:var(--text);font-size:13px;min-width:280px}.toast-error{position:fixed;top:20px;right:20px;background:var(--danger);color:#fff;padding:12px 20px;border-radius:var(--radius);font-size:13px;cursor:pointer;z-index:9999;box-shadow:var(--shadow);max-width:400px}.login-shell{display:flex;align-items:center;justify-content:center;min-height:100vh;background:var(--bg)}.login-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:40px;width:100%;max-width:400px;box-shadow:var(--shadow)}.login-brand{text-align:center;margin-bottom:32px}.login-brand h1{font-size:22px;font-weight:700;margin-top:12px}.login-brand p{color:var(--text-muted);font-size:14px;margin-top:4px}.field-label{display:block;font-size:13px;color:var(--text-muted);margin-bottom:6px;margin-top:16px}.field-input{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:var(--radius);background:var(--bg-input);color:var(--text);font-size:14px;transition:border-color var(--transition)}.field-input:focus{outline:none;border-color:var(--border-focus)}.field-input::placeholder{color:var(--text-dim)}.field-input[type=file]{padding:8px}.field-input[type=file]::file-selector-button{background:var(--primary);color:#fff;border:none;padding:4px 12px;border-radius:4px;cursor:pointer;margin-right:8px;font-size:12px}.form-error{background:var(--danger-bg);color:var(--danger);padding:10px 14px;border-radius:var(--radius);font-size:13px;margin-bottom:12px}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0009;display:flex;align-items:center;justify-content:center;z-index:1000;padding:20px;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.modal-box{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);width:100%;max-width:720px;max-height:90vh;overflow-y:auto;box-shadow:0 8px 32px #00000080}.modal-header{display:flex;align-items:center;justify-content:space-between;padding:20px 24px;border-bottom:1px solid var(--border)}.modal-header h2{font-size:18px;font-weight:700}.modal-close{background:none;border:none;color:var(--text-muted);font-size:18px;cursor:pointer;padding:4px}.modal-close:hover{color:var(--text)}.modal-body{padding:24px}.form-grid{display:flex;flex-direction:column;gap:8px}.form-section-title{font-size:14px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--primary);margin-top:16px;padding-bottom:6px;border-bottom:1px solid var(--border)}.form-row{display:flex;gap:12px}.form-group{flex:1}.form-group.full{flex:1 1 100%}.form-group label{display:block;font-size:12px;color:var(--text-muted);margin-bottom:4px}.form-group .field-input{margin-bottom:4px}.check-row{display:flex;flex-direction:column;gap:8px;justify-content:center}.check-row label{display:flex;align-items:center;gap:6px;cursor:pointer;font-size:13px;color:var(--text)}.check-row input[type=checkbox]{accent-color:var(--primary);width:16px;height:16px}.form-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:20px;padding-top:16px;border-top:1px solid var(--border)}.tab-bar{display:flex;gap:4px;margin-bottom:20px;border-bottom:1px solid var(--border)}.tab{padding:10px 16px;background:none;border:none;border-bottom:2px solid transparent;color:var(--text-muted);cursor:pointer;font-size:13px;transition:all var(--transition)}.tab:hover{color:var(--text)}.tab.active{border-bottom-color:var(--primary);color:var(--primary);font-weight:600}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--text-dim)}@media (max-width: 768px){.hub-root{flex-direction:column}.sidebar{width:100%;flex-direction:row;padding:8px;overflow-x:auto}.sidebar-brand{display:none}.sidebar-nav{flex-direction:row;gap:4px;padding:0}.logout-btn{margin-top:0;margin-left:auto}.content{padding:16px;max-height:none}.form-row{flex-direction:column;gap:8px}.kpi-grid{grid-template-columns:1fr}.modal-box{max-width:100%}}