:root{--bg: #FFFFFF;--surface: #FAFAFA;--border: #E0E0E0;--border-light: #EEEEEE;--text-primary: #000000;--text-secondary: #616161;--text-muted: #9E9E9E;--primary-dark: #424242;--grey-100: #F5F5F5;--grey-200: #EEEEEE;--grey-300: #E0E0E0;--grey-400: #BDBDBD;--grey-700: #616161;--grey-800: #424242;--grey-900: #212121;--success: #4CAF50;--success-light: #E8F5E9;--error: #F44336;--error-light: #FFEBEE;--warning: #FF9800;--warning-light: #FFF3E0;--info: #2196F3;--info-light: #E3F2FD;--purple: #7B1FA2;--purple-light: #F3E5F5;--sidebar-width: 240px;--header-height: 56px;--radius: 10px;--radius-sm: 6px;--shadow: 0 1px 3px rgba(0,0,0,.08);--shadow-md: 0 2px 8px rgba(0,0,0,.1)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:var(--surface);color:var(--text-primary);-webkit-font-smoothing:antialiased}button{cursor:pointer;font-family:inherit}input{font-family:inherit}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--grey-300);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--grey-400)}.layout{display:flex;min-height:100vh}.sidebar{width:var(--sidebar-width);background:var(--grey-900);color:#fff;display:flex;flex-direction:column;position:fixed;top:0;left:0;bottom:0;z-index:100}.sidebar-logo{padding:20px 24px;font-size:20px;font-weight:700;letter-spacing:-.5px;border-bottom:1px solid rgba(255,255,255,.08);display:flex;align-items:center;gap:10px}.sidebar-logo span{color:var(--grey-400);font-size:12px;font-weight:400}.sidebar-nav{flex:1;padding:12px 0;overflow-y:auto}.sidebar-nav a{display:flex;align-items:center;gap:12px;padding:10px 24px;color:#fff9;text-decoration:none;font-size:14px;font-weight:500;transition:all .15s;border-left:3px solid transparent}.sidebar-nav a:hover{color:#ffffffe6;background:#ffffff0d}.sidebar-nav a.active{color:#fff;background:#ffffff14;border-left-color:#fff}.sidebar-nav svg{width:20px;height:20px;flex-shrink:0}.sidebar-footer{padding:16px 24px;border-top:1px solid rgba(255,255,255,.08)}.sidebar-footer button{width:100%;padding:8px;background:#ffffff0f;border:1px solid rgba(255,255,255,.1);color:#ffffffb3;border-radius:var(--radius-sm);font-size:13px;transition:all .15s}.sidebar-footer button:hover{background:#f4433626;border-color:#f443364d;color:#ef5350}.main-content{margin-left:var(--sidebar-width);flex:1;min-height:100vh}.page-header{background:var(--bg);border-bottom:1px solid var(--border-light);padding:20px 32px;position:sticky;top:0;z-index:50}.page-header h1{font-size:22px;font-weight:600;letter-spacing:-.3px}.page-header p{color:var(--text-secondary);font-size:13px;margin-top:2px}.page-body{padding:24px 32px}.metrics-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px;margin-bottom:28px}.metric-card{background:var(--bg);border:1px solid var(--border-light);border-radius:var(--radius);padding:20px;transition:box-shadow .15s}.metric-card:hover{box-shadow:var(--shadow-md)}.metric-card .label{font-size:12px;font-weight:500;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px}.metric-card .value{font-size:28px;font-weight:700;margin-top:6px;letter-spacing:-.5px}.metric-card .subtitle{font-size:12px;color:var(--text-secondary);margin-top:4px}.metric-card.success .value{color:var(--success)}.metric-card.error .value{color:var(--error)}.metric-card.warning .value{color:var(--warning)}.metric-card.info .value{color:var(--info)}.metric-card.purple .value{color:var(--purple)}.panel{background:var(--bg);border:1px solid var(--border-light);border-radius:var(--radius);padding:24px;margin-bottom:20px}.panel-title{font-size:15px;font-weight:600;margin-bottom:16px;display:flex;align-items:center;gap:8px}.panel-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px}.badge{display:inline-flex;align-items:center;padding:3px 10px;border-radius:20px;font-size:12px;font-weight:600}.badge.green{background:var(--success-light);color:#2e7d32}.badge.red{background:var(--error-light);color:#c62828}.badge.orange{background:var(--warning-light);color:#e65100}.badge.blue{background:var(--info-light);color:#1565c0}.badge.purple{background:var(--purple-light);color:#6a1b9a}.badge.grey{background:var(--grey-200);color:var(--grey-700)}.data-table{width:100%;border-collapse:collapse;font-size:13px}.data-table th{text-align:left;padding:10px 12px;border-bottom:2px solid var(--border);font-weight:600;font-size:12px;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.3px}.data-table td{padding:10px 12px;border-bottom:1px solid var(--border-light)}.data-table tr:hover td{background:var(--surface)}.chart-container{width:100%;height:300px}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--surface)}.login-card{background:var(--bg);border:1px solid var(--border-light);border-radius:14px;padding:40px;width:100%;max-width:400px;box-shadow:var(--shadow-md)}.login-card h1{font-size:24px;font-weight:700;letter-spacing:-.5px;margin-bottom:4px}.login-card .subtitle{color:var(--text-secondary);font-size:14px;margin-bottom:28px}.form-group{margin-bottom:16px}.form-group label{display:block;font-size:13px;font-weight:500;color:var(--text-secondary);margin-bottom:6px}.form-group input{width:100%;padding:10px 14px;border:1px solid var(--border);border-radius:var(--radius-sm);font-size:15px;outline:none;transition:border-color .15s}.form-group input:focus{border-color:var(--grey-800)}.btn-primary{width:100%;padding:12px;background:var(--grey-900);color:#fff;border:none;border-radius:var(--radius-sm);font-size:15px;font-weight:600;transition:background .15s}.btn-primary:hover{background:#000}.btn-primary:disabled{background:var(--grey-400);cursor:not-allowed}.error-text{color:var(--error);font-size:13px;margin-top:8px}.loading-container{display:flex;align-items:center;justify-content:center;padding:60px;color:var(--text-muted);font-size:14px}.spinner{width:24px;height:24px;border:3px solid var(--grey-200);border-top-color:var(--grey-800);border-radius:50%;animation:spin .6s linear infinite;margin-right:10px}@keyframes spin{to{transform:rotate(360deg)}}.api-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:16px}.api-card{background:var(--bg);border:1px solid var(--border-light);border-radius:var(--radius);padding:20px}.api-card h3{font-size:15px;font-weight:600;margin-bottom:12px;display:flex;align-items:center;gap:8px}.api-stat-row{display:flex;justify-content:space-between;padding:6px 0;font-size:13px;border-bottom:1px solid var(--border-light)}.api-stat-row:last-child{border-bottom:none}.api-stat-row .stat-label{color:var(--text-secondary)}.api-stat-row .stat-value{font-weight:600}.scheduler-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:16px}.scheduler-card{background:var(--bg);border:1px solid var(--border-light);border-radius:var(--radius);padding:16px 20px}.scheduler-card h4{font-size:14px;font-weight:600;margin-bottom:8px;display:flex;align-items:center;justify-content:space-between}.scheduler-detail{font-size:12px;color:var(--text-secondary);line-height:1.7}@media(max-width:768px){.sidebar{display:none}.main-content{margin-left:0}.page-body{padding:16px}.metrics-grid{grid-template-columns:repeat(2,1fr)}}