:root{--sidebar-w:232px;--bg:#070b11;--bg-surface:#0d1320;--bg-card:#111827;--bg-hover:#19233a;--border:#1c2840;--border-hi:#263550;--text:#dde4f0;--text-2:#6b7fa0;--text-3:#364560;--blue:#4f72f0;--blue-hi:#6682f8;--blue-dim:#111e54;--green:#22c55e;--green-dim:#052214;--green-txt:#86efac;--red:#ef4444;--red-dim:#280a0a;--red-txt:#fca5a5;--yellow:#eab308;--yellow-dim:#1e1400;--yellow-txt:#fde047;--r:8px;--r-sm:5px;--r-lg:14px;--shadow-md:0 4px 20px #000000a6}*,:before,:after{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;font-family:-apple-system,BlinkMacSystemFont,Inter,Segoe UI,sans-serif;font-size:14px;line-height:1.5}::-webkit-scrollbar{width:5px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--border-hi);border-radius:3px}.app-shell{grid-template-columns:var(--sidebar-w) 1fr;min-height:100vh;display:grid}.sidebar{background:var(--bg-surface);border-right:1px solid var(--border);z-index:10;flex-direction:column;height:100vh;display:flex;position:sticky;top:0;overflow-y:auto}.sidebar-logo{border-bottom:1px solid var(--border);align-items:center;gap:10px;padding:20px 14px 22px;display:flex}.logo-icon{background:linear-gradient(135deg, var(--blue), var(--blue-hi));border-radius:9px;flex-shrink:0;justify-content:center;align-items:center;width:34px;height:34px;font-size:18px;display:flex;box-shadow:0 2px 10px #4f72f059}.logo-title{color:var(--text);font-size:13.5px;font-weight:700;line-height:1.2}.logo-sub{color:var(--text-2);font-size:11px}.sidebar-nav{flex-direction:column;flex:1;gap:2px;padding:10px 8px;display:flex}.nav-link{border-radius:var(--r-sm);color:var(--text-2);align-items:center;gap:9px;padding:9px 12px;font-size:13.5px;font-weight:500;text-decoration:none;transition:background .15s,color .15s;display:flex}.nav-link:hover{background:var(--bg-hover);color:var(--text)}.nav-link.active{background:var(--blue-dim);color:var(--blue-hi)}.nav-link svg{opacity:.75;flex-shrink:0}.nav-link.active svg{opacity:1}.sidebar-footer{border-top:1px solid var(--border);padding:10px 8px}.user-card{border-radius:var(--r-sm);background:var(--bg-card);align-items:center;gap:9px;padding:9px 10px;display:flex}.user-avatar{background:var(--blue-dim);width:30px;height:30px;color:var(--blue-hi);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-size:12px;font-weight:700;display:flex}.user-details{flex:1;min-width:0}.user-email{color:var(--text);white-space:nowrap;text-overflow:ellipsis;font-size:11.5px;font-weight:500;overflow:hidden}.user-role{color:var(--text-2);text-transform:capitalize;font-size:10.5px}.logout-btn{color:var(--text-3);cursor:pointer;background:0 0;border:none;border-radius:4px;flex-shrink:0;justify-content:center;align-items:center;padding:4px;transition:color .15s,background .15s;display:flex}.logout-btn:hover{color:var(--red);background:var(--red-dim)}.main-content{min-height:100vh;padding:32px 36px;overflow-x:hidden}.page-header{justify-content:space-between;align-items:center;margin-bottom:24px;display:flex}.page-header h1{color:var(--text);font-size:19px;font-weight:700}.stats-row{grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:24px;display:grid}.stat-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--r);padding:16px 20px}.stat-value{color:var(--text);margin-bottom:4px;font-size:26px;font-weight:700;line-height:1}.stat-label{color:var(--text-2);text-transform:uppercase;letter-spacing:.5px;font-size:11px;font-weight:500}.stat-card.green .stat-value{color:var(--green)}.stat-card.red .stat-value{color:var(--red)}.networks-grid{grid-template-columns:repeat(auto-fill,minmax(310px,1fr));gap:14px;display:grid}.network-card{background:var(--bg-card);border:1px solid var(--border);border-left:3px solid var(--border);border-radius:var(--r);transition:border-color .2s,box-shadow .2s;overflow:hidden}.network-card:hover{border-color:var(--border-hi)}.network-card.card-ok{border-left-color:var(--green)}.network-card.card-ok:hover{box-shadow:0 0 0 1px var(--green), inset 0 0 40px #22c55e08}.network-card.card-warning{border-left-color:var(--yellow);background:color-mix(in srgb, var(--bg-card) 97%, var(--yellow) 3%)}.network-card.card-warning:hover{box-shadow:0 0 0 1px var(--yellow), inset 0 0 40px #eab3080a}.network-card.card-urgent{border-left-color:var(--red);background:color-mix(in srgb, var(--bg-card) 95%, var(--red) 5%)}.network-card.card-urgent:hover{box-shadow:0 0 0 1px var(--red), inset 0 0 40px #ef44440d}.network-card.card-neutral{border-left-color:var(--border)}.network-card-header{border-bottom:1px solid var(--border);justify-content:space-between;align-items:flex-start;gap:8px;padding:13px 15px;display:flex}.network-name{color:var(--text);font-size:13.5px;font-weight:600;line-height:1.3}.network-meta{flex-wrap:wrap;gap:5px;margin-top:5px;display:flex}.tag{background:var(--bg-hover);color:var(--text-2);border-radius:4px;padding:2px 7px;font-size:10.5px;font-weight:500}.network-health{flex-direction:column;flex-shrink:0;align-items:flex-end;gap:1px;display:flex}.health-fraction{font-size:13px;font-weight:700}.health-fraction.all-up{color:var(--green)}.health-fraction.some-down{color:var(--yellow)}.health-fraction.all-down{color:var(--red)}.health-label{color:var(--text-2);text-transform:uppercase;letter-spacing:.4px;font-size:10px}.rpc-list{padding:4px 0;list-style:none}.rpc-item{align-items:center;gap:9px;padding:7px 15px;transition:background .12s;display:flex}.rpc-item:hover{background:var(--bg-hover)}.status-dot{border-radius:50%;flex-shrink:0;width:7px;height:7px}.status-dot.up{background:var(--green);animation:2.4s infinite pulse-green}.status-dot.down{background:var(--red)}.status-dot.unknown{background:var(--text-3)}@keyframes pulse-green{0%{box-shadow:0 0 #22c55e80}60%{box-shadow:0 0 0 5px #22c55e00}to{box-shadow:0 0 #22c55e00}}.rpc-url{color:var(--text-2);white-space:nowrap;text-overflow:ellipsis;flex:1;min-width:0;font-family:SF Mono,Fira Code,Cascadia Code,Consolas,monospace;font-size:11.5px;overflow:hidden}.rpc-latency{font-variant-numeric:tabular-nums;flex-shrink:0;font-size:11px;font-weight:600}.rpc-latency.fast{color:var(--green)}.rpc-latency.medium{color:var(--yellow)}.rpc-latency.slow{color:var(--red)}.loading-state,.error-state{min-height:240px;color:var(--text-2);justify-content:center;align-items:center;font-size:14px;display:flex}.error-state{color:var(--red)}.loading-screen{background:var(--bg);min-height:100vh;color:var(--text-2);justify-content:center;align-items:center;font-size:14px;display:flex}.login-page{background:var(--bg);justify-content:center;align-items:center;min-height:100vh;display:flex}.login-card{background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--r-lg);width:360px;box-shadow:var(--shadow-md);padding:40px}.login-logo{align-items:center;gap:12px;margin-bottom:30px;display:flex}.login-logo-icon{background:linear-gradient(135deg, var(--blue), var(--blue-hi));border-radius:10px;justify-content:center;align-items:center;width:40px;height:40px;font-size:22px;display:flex;box-shadow:0 2px 10px #4f72f066}.login-logo-text{color:var(--text);font-size:15px;font-weight:700;line-height:1.2}.login-logo-sub{color:var(--text-2);font-size:11.5px}.login-title{margin-bottom:5px;font-size:21px;font-weight:700}.login-subtitle{color:var(--text-2);margin-bottom:26px;font-size:13.5px}.field{flex-direction:column;gap:6px;margin-bottom:14px;display:flex}.field label{color:var(--text-2);font-size:12.5px;font-weight:500}input,select{border-radius:var(--r-sm);border:1px solid var(--border-hi);background:var(--bg);width:100%;color:var(--text);outline:none;padding:8px 11px;font-family:inherit;font-size:13.5px;transition:border-color .15s,box-shadow .15s}input:focus,select:focus{border-color:var(--blue);box-shadow:0 0 0 3px #4f72f026}input::placeholder{color:var(--text-3)}select{cursor:pointer}button{font-family:inherit}.btn{border-radius:var(--r-sm);cursor:pointer;white-space:nowrap;border:none;justify-content:center;align-items:center;gap:6px;padding:8px 16px;font-size:13.5px;font-weight:500;transition:background .15s,opacity .15s;display:inline-flex}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--blue);color:#fff}.btn-primary:hover:not(:disabled){background:var(--blue-hi)}.btn-ghost{color:var(--text-2);border:1px solid var(--border-hi);background:0 0}.btn-ghost:hover:not(:disabled){background:var(--bg-hover);color:var(--text)}.btn-danger{color:var(--red);background:0 0;border:1px solid #ef44444d;padding:5px 10px;font-size:12px}.btn-danger:hover:not(:disabled){background:var(--red-dim)}.btn-sm{padding:6px 12px;font-size:12px}.btn-full{width:100%}.msg-error{color:var(--red-txt);background:var(--red-dim);border-radius:var(--r-sm);border:1px solid #ef444433;padding:9px 12px;font-size:13px}.msg-success{color:var(--green-txt);background:var(--green-dim);border-radius:var(--r-sm);border:1px solid #22c55e33;padding:9px 12px;font-size:13px}.test-result-card{border-radius:var(--r);border:1px solid;padding:18px}.test-result-card.ok{background:var(--green-dim);border-color:#22c55e40}.test-result-card.fail{background:var(--red-dim);border-color:#ef444440}.test-result-title{margin-bottom:4px;font-size:14px;font-weight:600}.test-result-title.ok{color:var(--green-txt)}.test-result-title.fail{color:var(--red-txt)}.test-result-detail{color:var(--text-2);font-size:12.5px}.settings-layout{grid-template-columns:210px 1fr;align-items:start;gap:16px;display:grid}.network-picker{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--r);overflow:hidden}.picker-item{text-align:left;border:none;border-bottom:1px solid var(--border);width:100%;color:var(--text-2);cursor:pointer;background:0 0;padding:9px 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var(--border);border-radius:var(--r);margin-bottom:20px;padding:20px}.config-section-header{margin-bottom:14px}.config-section-title{color:var(--text);margin-bottom:3px;font-size:14px;font-weight:600}.config-section-sub{color:var(--text-2);font-size:12.5px}.config-section-sub strong{color:var(--text)}.interval-presets{flex-wrap:wrap;gap:8px;display:flex}.interval-btn{border-radius:var(--r-sm);border:1px solid var(--border-hi);background:var(--bg);color:var(--text-2);cursor:pointer;padding:7px 16px;font-family:inherit;font-size:13px;font-weight:500;transition:background .15s,color .15s,border-color 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solid var(--border-hi);border-radius:var(--r-lg);width:100%;max-width:520px;box-shadow:var(--shadow-md);animation:.18s slide-up;overflow:hidden}@keyframes slide-up{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.modal-header{border-bottom:1px solid var(--border);justify-content:space-between;align-items:flex-start;gap:12px;padding:18px 20px 16px;display:flex}.modal-header-info{flex:1;min-width:0}.modal-network-name{color:var(--text);margin-bottom:4px;font-size:15px;font-weight:700}.modal-url{color:var(--text-2);white-space:nowrap;text-overflow:ellipsis;font-family:SF Mono,Fira Code,monospace;font-size:12px;overflow:hidden}.modal-close{cursor:pointer;color:var(--text-2);background:0 0;border:none;flex-shrink:0;margin-top:-2px;padding:0;font-size:22px;line-height:1;transition:color .15s}.modal-close:hover{color:var(--text)}.modal-body{flex-direction:column;gap:10px;padding:20px;display:flex}.modal-section-label{text-transform:uppercase;letter-spacing:.6px;color:var(--text-3);margin-top:6px;font-size:10.5px;font-weight:600}.modal-section-label:first-child{margin-top:0}.modal-last-test{background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--r);flex-wrap:wrap;align-items:center;gap:10px;padding:10px 14px;display:flex}.modal-status-text{font-size:13px;font-weight:600}.modal-status-text.status-up{color:var(--green)}.modal-status-text.status-down{color:var(--red)}.modal-status-text.status-unknown{color:var(--text-2)}.modal-time{color:var(--text-2);margin-left:auto;font-size:11.5px}.modal-header-actions{flex-shrink:0;align-items:center;gap:12px;display:flex}.verbose-toggle{cursor:pointer;-webkit-user-select:none;user-select:none;align-items:center;gap:6px;display:flex}.verbose-toggle input{display:none}.verbose-toggle-track{background:var(--bg-hover);border:1px solid var(--border);border-radius:9px;flex-shrink:0;width:30px;height:17px;transition:background .2s,border-color .2s;position:relative}.verbose-toggle-track:after{content:"";background:var(--text-2);border-radius:50%;width:11px;height:11px;transition:transform .2s,background .2s;position:absolute;top:2px;left:2px}.verbose-toggle input:checked+.verbose-toggle-track{background:var(--blue-dim);border-color:var(--blue)}.verbose-toggle input:checked+.verbose-toggle-track:after{background:var(--blue);transform:translate(13px)}.verbose-toggle-label{color:var(--text-2);font-size:11.5px;font-weight:500}.verbose-toggle input:checked~.verbose-toggle-label{color:var(--blue)}.modal-divider{border:none;border-top:1px solid var(--border);margin:4px 0}.modal-test-row{justify-content:space-between;align-items:center;gap:12px;display:flex}.verbose-log{flex-direction:column;gap:4px;margin-top:8px;display:flex}.verbose-log-label{text-transform:uppercase;letter-spacing:.7px;color:var(--text-3);font-size:9.5px;font-weight:700}.verbose-code{background:var(--bg);border:1px solid var(--border);border-radius:var(--r-sm);color:var(--text-2);white-space:pre-wrap;word-break:break-all;max-height:180px;padding:10px 12px;font-family:SF Mono,Fira Code,monospace;font-size:11px;line-height:1.55;overflow-y:auto}.modal-balance-form{flex-direction:column;gap:8px;display:flex}.modal-address-input{background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--r);width:100%;color:var(--text);outline:none;padding:9px 12px;font-family:SF Mono,Fira Code,monospace;font-size:12.5px;transition:border-color .15s}.modal-address-input::placeholder{color:var(--text-3)}.modal-address-input:focus{border-color:var(--blue)}.modal-probe-row{align-items:center;gap:8px;display:flex}.modal-balance-result{align-items:baseline;gap:8px;margin-top:8px;display:flex}.modal-balance-label{text-transform:uppercase;letter-spacing:.5px;color:var(--green);flex-shrink:0;font-size:11px}.modal-balance-value{color:var(--green-txt);word-break:break-all;font-family:SF Mono,Fira Code,monospace;font-size:15px;font-weight:700}.modal-balance-raw{color:var(--text-3);word-break:break-all;margin-top:4px;font-family:SF Mono,Fira Code,monospace;font-size:11px}.modal-probe-result{border-radius:var(--r);border:1px solid #0000;flex-wrap:wrap;align-items:center;gap:10px;margin-top:4px;padding:10px 14px;animation:.15s slide-up;display:flex}.modal-probe-result.probe-up{background:var(--green-dim);border-color:var(--green)}.modal-probe-result.probe-down{background:var(--red-dim);border-color:var(--red)}.modal-probe-error{color:var(--red-txt);width:100%;margin-top:2px;font-size:11.5px}.branch-warning{background:var(--yellow-dim);border:1px solid var(--yellow);border-radius:var(--r);align-items:flex-start;gap:12px;margin-bottom:20px;padding:14px 16px;display:flex}.branch-warning-icon{background:var(--yellow);color:#000;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:24px;height:24px;margin-top:1px;font-size:14px;font-weight:700;display:flex}.branch-warning-body{color:var(--yellow-txt);flex-direction:column;flex:1;gap:4px;font-size:13.5px;display:flex}.branch-warning-body strong{color:var(--yellow);font-size:14px}.branch-warning-body code{background:#ffffff0f;border-radius:3px;padding:0 4px;font-family:SF Mono,Fira 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