*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",Arial,sans-serif;background:#f4f6fb;color:#172033}.app{display:flex;min-height:100vh}.sidebar{width:244px;background:#111827;color:#fff;display:flex;flex-direction:column;position:fixed;left:0;top:0;bottom:0}.brand{display:flex;gap:12px;align-items:center;padding:22px 18px;border-bottom:1px solid rgba(255,255,255,.08)}.brand .logo{width:42px;height:42px;border-radius:14px;background:#22c55e;display:flex;align-items:center;justify-content:center;font-weight:900;font-size:22px}.brand span{display:block;color:#9ca3af;font-size:12px;margin-top:4px}nav{padding:14px 10px;flex:1}nav a{display:block;color:#d1d5db;text-decoration:none;padding:12px 14px;border-radius:12px;margin:4px 0;font-weight:600}nav a:hover,nav a.active{background:#1f2937;color:#fff}.userbox{padding:16px 18px;border-top:1px solid rgba(255,255,255,.08);color:#d1d5db}.userbox small{display:block;color:#9ca3af;margin:4px 0 10px}.userbox a{color:#93c5fd;text-decoration:none}.main{margin-left:244px;width:calc(100% - 244px);padding:22px}.topbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}.topbar h1{margin:0;font-size:24px}.card{background:#fff;border:1px solid #e5e7eb;border-radius:18px;padding:18px;margin-bottom:18px;box-shadow:0 10px 22px rgba(15,23,42,.04)}.grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.grid.three{grid-template-columns:repeat(3,minmax(0,1fr))}.metric{background:#f9fafb;border:1px solid #e5e7eb;border-radius:16px;padding:16px}.metric b{display:block;font-size:26px;margin-bottom:6px}.metric span{color:#6b7280;font-size:13px}.table{width:100%;border-collapse:separate;border-spacing:0}.table th,.table td{text-align:left;padding:12px;border-bottom:1px solid #edf0f5;vertical-align:middle}.table th{font-size:13px;color:#64748b;background:#f8fafc}.table tr:last-child td{border-bottom:0}.badge{display:inline-flex;align-items:center;border-radius:999px;padding:4px 9px;font-size:12px;font-weight:700}.badge.on{background:#dcfce7;color:#166534}.badge.off{background:#f3f4f6;color:#6b7280}.badge.warn{background:#fef3c7;color:#92400e}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:0;border-radius:12px;padding:9px 13px;text-decoration:none;cursor:pointer;font-weight:700;background:#2563eb;color:#fff;white-space:nowrap}.btn.secondary{background:#e5e7eb;color:#111827}.btn.danger{background:#ef4444;color:#fff}.btn.green{background:#16a34a}.btn.small{padding:6px 10px;border-radius:10px;font-size:12px}.form-row{display:grid;grid-template-columns:170px 1fr;gap:14px;align-items:center;margin-bottom:14px}.form-row label{color:#374151;font-weight:700}.input,select,textarea{width:100%;border:1px solid #d1d5db;border-radius:12px;padding:10px 12px;font-size:14px;background:#fff}textarea{min-height:90px}.help{color:#6b7280;font-size:13px;margin-top:6px}.flash{padding:12px 14px;border-radius:14px;margin-bottom:16px;font-weight:700}.flash.success{background:#dcfce7;color:#166534}.flash.error{background:#fee2e2;color:#991b1b}.flash.warning{background:#fef3c7;color:#92400e}.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#111827,#1d4ed8)}.login-card{width:390px;background:#fff;border-radius:22px;padding:28px;box-shadow:0 30px 80px rgba(0,0,0,.28)}.login-card h1{margin:0 0 8px;font-size:24px}.login-card p{margin:0 0 22px;color:#64748b}.module-list{display:flex;gap:8px;flex-wrap:wrap}.actions{display:flex;gap:8px;flex-wrap:wrap}.muted{color:#64748b}.status-dot{width:8px;height:8px;border-radius:999px;background:#22c55e;display:inline-block;margin-right:5px}.status-dot.off{background:#9ca3af}.nowrap{white-space:nowrap}.split{display:flex;justify-content:space-between;align-items:center;gap:12px}.code{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;background:#f3f4f6;border-radius:8px;padding:2px 6px}.check-ok{color:#16a34a;font-weight:800}.check-bad{color:#dc2626;font-weight:800}.check-warn{color:#d97706;font-weight:800}@media(max-width:900px){.sidebar{position:relative;width:100%;height:auto}.app{display:block}.main{margin-left:0;width:100%;padding:14px}.grid,.grid.three{grid-template-columns:1fr}.form-row{grid-template-columns:1fr}.table{font-size:13px}.actions{display:grid}.sidebar nav{display:flex;overflow:auto}.sidebar nav a{white-space:nowrap}.userbox{display:none}}