:root{--bg: #f5f6f8;--surface: #ffffff;--border: #e2e5ea;--text: #1c2126;--text-muted: #6b7280;--primary: #1d4ed8;--primary-hover: #1e40af;--danger: #b91c1c;--warning: #92400e;--warning-bg: #fef3c7;--success: #15803d;--sidebar-bg: #10182b;--sidebar-text: #cbd5e1;--sidebar-active: #1d4ed8;--radius: 8px}[data-theme=dark]{--bg: #14171c;--surface: #1c2128;--border: #2d333b;--text: #e6edf3;--text-muted: #9aa4b2;--sidebar-bg: #0b0f17}*{box-sizing:border-box}body{margin:0;font-family:Segoe UI,system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--text)}.app-shell{display:flex;min-height:100vh}.sidebar{width:230px;background:var(--sidebar-bg);color:var(--sidebar-text);display:flex;flex-direction:column;padding:16px 0;flex-shrink:0}.sidebar h1{font-size:15px;padding:0 20px 16px;margin:0 0 8px;color:#fff;border-bottom:1px solid rgba(255,255,255,.1)}.sidebar a{display:block;padding:10px 20px;color:var(--sidebar-text);text-decoration:none;font-size:14px}.sidebar a:hover{background:#ffffff0f}.sidebar a.active{background:var(--sidebar-active);color:#fff}.sidebar-scroll{flex:1;overflow-y:auto}.nav-group{margin-bottom:6px}.nav-group-label{padding:14px 20px 6px;font-size:11px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:#ffffff59}.sidebar-user{padding:16px 20px;font-size:13px;border-top:1px solid rgba(255,255,255,.1);flex-shrink:0}.main-content{flex:1;padding:28px 36px;max-width:1100px}h2{margin-top:0}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px;margin-bottom:20px}.form-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px}label{display:block;font-size:13px;color:var(--text-muted);margin-bottom:4px}input,select,textarea{width:100%;padding:9px 11px;border:1px solid var(--border);border-radius:6px;background:var(--surface);color:var(--text);font-size:14px}textarea{resize:vertical}button{cursor:pointer;border:none;border-radius:6px;padding:10px 18px;font-size:14px;font-weight:500;background:var(--border);color:var(--text)}button.primary{background:var(--primary);color:#fff}button.primary:hover{background:var(--primary-hover)}button.primary:disabled{background:var(--border);color:var(--text-muted);cursor:not-allowed}button.danger{background:var(--danger);color:#fff}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:10px 8px;border-bottom:1px solid var(--border);font-size:14px}th{color:var(--text-muted);font-weight:600;font-size:12px;text-transform:uppercase}.status-tag{display:inline-block;padding:3px 10px;border-radius:999px;font-size:12px;font-weight:600;background:var(--border)}.status-tag.ok{background:#dcfce7;color:var(--success)}.status-tag.warn{background:var(--warning-bg);color:var(--warning)}.status-tag.error{background:#fee2e2;color:var(--danger)}.alert{padding:12px 16px;border-radius:6px;margin-bottom:16px;font-size:14px}.alert.warn{background:var(--warning-bg);color:var(--warning);border:1px solid #fde68a}.alert.error{background:#fee2e2;color:var(--danger);border:1px solid #fecaca}.alert.info{background:#dbeafe;color:#1e40af;border:1px solid #bfdbfe}.login-screen{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bg)}.login-box{width:340px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:32px}.wizard-steps{display:flex;gap:8px;margin-bottom:20px}.wizard-steps span{flex:1;text-align:center;padding:8px;border-radius:6px;background:var(--border);font-size:13px}.wizard-steps span.active{background:var(--primary);color:#fff}