:root{--bg-primary: #0f172a;--bg-secondary: #1e293b;--bg-card: #334155;--text-primary: #f1f5f9;--text-secondary: #94a3b8;--text-muted: #64748b;--accent-primary: #3b82f6;--accent-success: #22c55e;--accent-warning: #f59e0b;--accent-danger: #ef4444;--border-color: #475569;--card-shadow: 0 4px 6px -1px rgb(0 0 0 / .3)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica Neue,sans-serif;background:var(--bg-primary);color:var(--text-primary);min-height:100vh}#root{min-height:100vh}.app-layout{display:flex;min-height:100vh}.sidebar{width:240px;background:var(--bg-secondary);border-right:1px solid var(--border-color);padding:1.5rem 0;display:flex;flex-direction:column}.sidebar-header{padding:0 1.5rem 1.5rem;border-bottom:1px solid var(--border-color)}.sidebar-logo{font-size:1.25rem;font-weight:700;color:var(--text-primary);display:flex;align-items:center;gap:.5rem}.sidebar-logo span{color:var(--accent-primary)}.sidebar-nav{padding:1rem 0;flex:1}.nav-link{display:flex;align-items:center;gap:.75rem;padding:.75rem 1.5rem;color:var(--text-secondary);text-decoration:none;transition:all .2s;font-size:.9rem}.nav-link:hover{background:var(--bg-card);color:var(--text-primary)}.nav-link.active{background:var(--accent-primary);color:#fff}.nav-link svg{width:20px;height:20px}.main-content{flex:1;padding:2rem;overflow-y:auto}.page-header{margin-bottom:2rem}.page-title{font-size:1.75rem;font-weight:600;margin-bottom:.5rem}.page-subtitle{color:var(--text-secondary);font-size:.95rem}.metrics-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1rem;margin-bottom:2rem}.metric-card{background:var(--bg-secondary);border-radius:12px;padding:1.25rem;border:1px solid var(--border-color)}.metric-card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:.75rem}.metric-label{color:var(--text-secondary);font-size:.85rem;text-transform:uppercase;letter-spacing:.05em}.metric-icon{width:24px;height:24px;color:var(--text-muted)}.metric-value{font-size:2rem;font-weight:700;color:var(--text-primary);margin-bottom:.25rem}.metric-change{font-size:.85rem;display:flex;align-items:center;gap:.25rem}.metric-change.positive{color:var(--accent-success)}.metric-change.negative{color:var(--accent-danger)}.metric-change.neutral{color:var(--text-muted)}.metric-success .metric-value{color:var(--accent-success)}.metric-warning .metric-value{color:var(--accent-warning)}.metric-danger .metric-value{color:var(--accent-danger)}.metric-primary .metric-value{color:var(--accent-primary)}.card{background:var(--bg-secondary);border-radius:12px;border:1px solid var(--border-color);margin-bottom:1.5rem}.card-header{padding:1rem 1.25rem;border-bottom:1px solid var(--border-color);display:flex;align-items:center;justify-content:space-between}.card-title{font-size:1rem;font-weight:600}.card-body{padding:1.25rem}.chart-container{height:300px;width:100%}.status-badge{display:inline-flex;align-items:center;gap:.375rem;padding:.25rem .75rem;border-radius:9999px;font-size:.75rem;font-weight:500;text-transform:uppercase}.status-badge.healthy,.status-badge.closed{background:#22c55e26;color:var(--accent-success)}.status-badge.warning,.status-badge.slow{background:#f59e0b26;color:var(--accent-warning)}.status-badge.error,.status-badge.degraded,.status-badge.open{background:#ef444426;color:var(--accent-danger)}.status-badge.unknown,.status-badge.half-open{background:#94a3b826;color:var(--text-secondary)}.status-dot{width:8px;height:8px;border-radius:50%;background:currentColor}.status-badge.healthy .status-dot,.status-badge.closed .status-dot{animation:pulse-green 2s infinite}@keyframes pulse-green{0%,to{box-shadow:0 0 #22c55e66}50%{box-shadow:0 0 0 4px #22c55e00}}.data-table{width:100%;border-collapse:collapse}.data-table th,.data-table td{padding:.75rem 1rem;text-align:left;border-bottom:1px solid var(--border-color)}.data-table th{color:var(--text-secondary);font-size:.8rem;text-transform:uppercase;letter-spacing:.05em;font-weight:500}.data-table tbody tr:hover{background:var(--bg-card)}.loading-container{display:flex;align-items:center;justify-content:center;min-height:200px}.loading-spinner{width:40px;height:40px;border:3px solid var(--border-color);border-top-color:var(--accent-primary);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.error-message{background:#ef44441a;border:1px solid var(--accent-danger);border-radius:8px;padding:1rem;color:var(--accent-danger);text-align:center}.env-badge{padding:.25rem .5rem;border-radius:4px;font-size:.7rem;text-transform:uppercase;font-weight:600}.env-badge.production{background:#ef444426;color:var(--accent-danger)}.env-badge.staging{background:#f59e0b26;color:var(--accent-warning)}.env-badge.development{background:#3b82f626;color:var(--accent-primary)}@media(max-width:768px){.sidebar{width:60px;padding:1rem 0}.sidebar-header{padding:0 .75rem 1rem}.sidebar-logo span{display:none}.nav-link{padding:.75rem;justify-content:center}.nav-link span{display:none}.main-content{padding:1rem}.metrics-grid{grid-template-columns:1fr}}