:root{--bg:#f4f7fb;--card:#fff;--ink:#172033;--muted:#718096;--line:#e7ebf2;--accent:#5b5ce2;--accent2:#8b5cf6;--good:#16a34a;--bad:#dc2626;--warn:#d97706;--side:#111827}
*{box-sizing:border-box}body{margin:0;font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--ink)}button,input,select,textarea{font:inherit}button{cursor:pointer}.layout{min-height:100vh;display:grid;grid-template-columns:240px 1fr}.sidebar{background:var(--side);color:#fff;padding:24px 16px;display:flex;flex-direction:column;position:sticky;top:0;height:100vh}.brand{display:flex;align-items:center;gap:12px;padding:0 8px 28px}.brand b,.brand small{display:block}.brand small{color:#9ca3af;margin-top:3px}.brand-mark{width:62px;height:62px;border-radius:18px;background:linear-gradient(135deg,var(--accent),var(--accent2));display:grid;place-items:center;color:white;font-weight:900;font-size:24px;box-shadow:0 16px 38px #5b5ce244}.brand-mark.small{width:40px;height:40px;border-radius:12px;font-size:15px;box-shadow:none}.nav{width:100%;border:0;background:transparent;color:#cbd5e1;padding:13px 14px;border-radius:10px;text-align:left;margin:3px 0}.nav:hover,.nav.active{background:#ffffff14;color:white}.sidebar-foot{margin-top:auto;border-top:1px solid #ffffff18;padding:18px 8px 0;display:flex;justify-content:space-between;align-items:center;color:#cbd5e1}.sidebar-foot button{border:0;background:none;color:#a5b4fc}.main{padding:28px 34px}.main header{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}.main h1{margin:0 0 4px;font-size:26px}.main header p{margin:0;color:var(--muted)}.ghost,.primary,.danger,.small-btn{border:1px solid var(--line);background:white;border-radius:9px;padding:9px 14px}.primary{background:var(--accent);color:white;border-color:var(--accent)}.danger{color:var(--bad)}.small-btn{padding:6px 9px;font-size:13px}.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-bottom:22px}.stat,.card{background:var(--card);border:1px solid var(--line);border-radius:15px;box-shadow:0 5px 16px #17203308}.stat{padding:18px}.stat small{color:var(--muted)}.stat strong{font-size:30px;display:block;margin-top:9px}.card{padding:20px;margin-bottom:18px}.card-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}.card h2,.card h3{margin:0}.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.gateway-card{padding:18px;border:1px solid var(--line);border-radius:13px;background:white;transition:.18s}.gateway-card:hover{transform:translateY(-2px);box-shadow:0 10px 28px #17203312}.gateway-top{display:flex;justify-content:space-between;gap:12px}.gateway-name{font-weight:700;font-size:17px}.badge{display:inline-flex;align-items:center;border-radius:999px;padding:4px 9px;font-size:12px;background:#eef2ff;color:var(--accent)}.badge.good{background:#ecfdf3;color:var(--good)}.badge.bad{background:#fef2f2;color:var(--bad)}.meta{font-size:13px;color:var(--muted);margin-top:10px;line-height:1.7}.actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse;font-size:14px}th,td{text-align:left;padding:11px 10px;border-bottom:1px solid var(--line);vertical-align:top}th{color:var(--muted);font-weight:600}.tabs{display:flex;gap:8px;flex-wrap:wrap;margin:14px 0}.tab{border:1px solid var(--line);background:white;border-radius:9px;padding:8px 12px}.tab.active{background:var(--accent);border-color:var(--accent);color:white}.form-row{display:grid;grid-template-columns:1fr 1fr auto;gap:10px;align-items:end}.form-row.one{grid-template-columns:1fr auto}.form-row label{display:block;color:var(--muted);font-size:13px}.form-row input,.form-row select,.form-row textarea{width:100%;border:1px solid var(--line);border-radius:9px;padding:10px;margin-top:5px;background:white}.kv{display:grid;grid-template-columns:180px 1fr;border-bottom:1px solid var(--line);padding:10px 0}.kv span:first-child{color:var(--muted)}pre{white-space:pre-wrap;word-break:break-word;background:#0f172a;color:#dbeafe;border-radius:12px;padding:14px;max-height:480px;overflow:auto}.toast{position:fixed;right:24px;bottom:24px;background:#111827;color:white;padding:12px 16px;border-radius:10px;opacity:0;transform:translateY(10px);transition:.2s;pointer-events:none}.toast.show{opacity:1;transform:none}.login-body{min-height:100vh;display:grid;place-items:center;background:radial-gradient(circle at top,#eef2ff,#f8fafc 50%)}.login-card{width:min(420px,92vw);background:white;border:1px solid var(--line);border-radius:22px;padding:36px;box-shadow:0 24px 80px #17203320;text-align:center}.login-card .brand-mark{margin:0 auto}.login-card h1{margin:18px 0 6px}.login-card p{color:var(--muted);margin:0 0 24px}.login-card label{display:block;text-align:left;color:var(--muted);margin:14px 0;font-size:13px}.login-card input{width:100%;padding:12px;border:1px solid var(--line);border-radius:10px;margin-top:6px}.login-card button{width:100%;padding:12px;border:0;border-radius:10px;background:var(--accent);color:white;margin-top:8px}.error{color:var(--bad);margin-top:12px;font-size:13px}.empty{padding:34px;text-align:center;color:var(--muted)}
@media(max-width:900px){.layout{grid-template-columns:1fr}.sidebar{height:auto;position:relative;padding:14px}.sidebar nav{display:flex;overflow:auto}.brand{padding-bottom:10px}.sidebar-foot{display:none}.main{padding:20px}.stats{grid-template-columns:repeat(2,1fr)}.grid{grid-template-columns:1fr}.form-row{grid-template-columns:1fr}.main header{align-items:flex-start}.sidebar .brand small{display:none}}