:root{--navy-900: #0a1420;--navy-800: #0f1e30;--navy-700: #16293f;--navy-600: #1e3a5f;--steel: #2b4c6f;--accent: #4a90c2;--accent-bright: #6fb3e0;--gold: #c8a951;--green: #3fae6a;--amber: #d99a2b;--red: #c0453b;--text: #e6edf3;--text-dim: #9fb3c8;--border: #23384f;--panel: rgba(16, 30, 48, .88)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Segoe UI,Helvetica Neue,Arial,sans-serif;background:var(--navy-900);color:var(--text);min-height:100vh;-webkit-font-smoothing:antialiased}.app-bg{position:fixed;top:0;right:0;bottom:0;left:0;z-index:-2;background:radial-gradient(ellipse at 20% 10%,rgba(30,58,95,.55),transparent 55%),radial-gradient(ellipse at 85% 90%,rgba(20,40,62,.5),transparent 60%),linear-gradient(160deg,#08111d,#0d1b2c 45%,#0a1622)}.app-bg:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background-image:repeating-linear-gradient(90deg,rgba(74,144,194,.05) 0 2px,transparent 2px 120px),repeating-linear-gradient(0deg,rgba(74,144,194,.04) 0 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12px;border-radius:4px;cursor:pointer;font-size:12px}.btn-logout:hover{border-color:var(--accent);color:var(--text)}.container{max-width:1320px;margin:0 auto;padding:24px 28px 60px}.tabs{display:flex;gap:4px;margin-bottom:22px;border-bottom:1px solid var(--border)}.tab{padding:12px 22px;cursor:pointer;color:var(--text-dim);font-size:14px;font-weight:500;border-bottom:2px solid transparent;letter-spacing:.3px}.tab.active{color:var(--accent-bright);border-bottom-color:var(--accent)}.tab:hover{color:var(--text)}.grid{display:grid;gap:18px}.grid-2{grid-template-columns:1fr 1fr}.grid-3{grid-template-columns:repeat(3,1fr)}@media(max-width:980px){.grid-2,.grid-3{grid-template-columns:1fr}}.panel{background:var(--panel);border:1px solid var(--border);border-radius:8px;padding:18px 20px;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.panel 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var(--border);padding-left:16px}.diag.nominal{border-left-color:var(--green)}.diag.low{border-left-color:var(--accent)}.diag.medium{border-left-color:var(--amber)}.diag.high{border-left-color:var(--red)}.diag .fault{font-size:22px;font-weight:700;letter-spacing:.5px}.diag .conf{font-size:13px;color:var(--text-dim);margin-top:2px}.diag .lru{margin-top:10px;font-size:13px}.diag .lru b{color:var(--accent-bright)}.diag .explain{margin-top:12px;font-size:14px;line-height:1.55;color:var(--text);background:#4a90c214;padding:12px 14px;border-radius:5px}.evidence{margin-top:12px;font-size:13px;color:var(--text-dim)}.evidence li{margin:4px 0 4px 18px}.metric-row{display:flex;gap:22px;flex-wrap:wrap}.metric .val{font-size:26px;font-weight:700;color:var(--accent-bright)}.metric .lbl{font-size:11px;text-transform:uppercase;letter-spacing:1px;color:var(--text-dim)}.metric .val.ok{color:var(--green)}.metric 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9px;border-radius:10px;font-size:11px;font-weight:600;letter-spacing:.5px}.pill.green{background:#3fae6a2e;color:var(--green)}.pill.amber{background:#d99a2b2e;color:var(--amber)}.pill.red{background:#c0453b33;color:var(--red)}.login-bg{background:linear-gradient(160deg,#08111d8c,#0d1b2c99),url(/assets/navy_bg.jpg) center center / cover no-repeat}.login-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:-1;background:radial-gradient(ellipse at center,#08111d59,#060c14d9)}.login-wrap{display:flex;align-items:center;justify-content:center;min-height:100vh}.login-card{background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:44px 40px;max-width:440px;text-align:center;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}.login-card img{height:64px;margin-bottom:20px}.login-card h1{font-size:22px;margin-bottom:6px}.login-card .tagline{color:var(--text-dim);font-size:14px;margin-bottom:8px;line-height:1.5}.login-card .meta{color:var(--text-dim);font-size:12px;margin:18px 0 26px;letter-spacing:.4px}.login-card .notice{font-size:12px;color:var(--text-dim);margin-top:20px;line-height:1.5}.classification{text-align:center;font-size:11px;letter-spacing:1.5px;color:var(--text-dim);padding:6px;background:#0000004d}table.mini{width:100%;border-collapse:collapse;font-size:13px}table.mini td{padding:7px 6px;border-bottom:1px solid var(--border)}table.mini td:first-child{color:var(--text-dim)}.guide-p{font-size:14px;line-height:1.65;color:var(--text);margin:8px 0 14px}.guide-note{font-size:13px;line-height:1.6;color:var(--text-dim);background:#d99a2b1a;border-left:3px solid var(--amber);padding:10px 14px;border-radius:4px;margin-top:8px}.guide-h3{font-size:14px;color:var(--accent-bright);margin:18px 0 8px;font-weight:600;letter-spacing:.3px}.guide-ul,.guide-ol{margin:6px 0 12px 22px}.guide-ul li,.guide-ol li{font-size:14px;line-height:1.6;color:var(--text);margin:7px 0}.guide-ul ul{margin:6px 0 6px 18px}.guide-ul ul li{color:var(--text-dim)}.layout{display:flex;max-width:1400px;margin:0 auto;min-height:calc(100vh - 120px)}.sidebar{width:250px;flex:0 0 250px;padding:22px 12px;border-right:1px solid var(--border);background:#0a142080}.sidebar-title{font-size:11px;text-transform:uppercase;letter-spacing:1.2px;color:var(--text-dim);padding:0 12px 12px;font-weight:600}.nav-item{position:relative;display:flex;align-items:center;justify-content:space-between;padding:12px;margin:3px 0;border-radius:6px;cursor:pointer;color:var(--text-dim);font-size:14px;border-left:3px solid transparent}.nav-item:hover{background:#1e3a5f66;color:var(--text)}.nav-item.active{background:#1e3a5f99;color:var(--accent-bright);border-left-color:var(--accent)}.nav-label{font-weight:500}.nav-dots{padding:2px 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auto}}input[type=range]{-webkit-appearance:none;-moz-appearance:none;appearance:none;height:5px;border-radius:3px;background:var(--border);outline:none}input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:16px;height:16px;border-radius:50%;background:var(--accent-bright);cursor:pointer;border:2px solid var(--navy-900)}input[type=range]::-moz-range-thumb{width:16px;height:16px;border-radius:50%;background:var(--accent-bright);cursor:pointer;border:2px solid var(--navy-900)}