/* SCION workspace design system. Legacy component rules are contained in platform.css. */
:root{--ui-space-1:4px;--ui-space-2:8px;--ui-space-3:12px;--ui-space-4:16px;--ui-space-6:24px;--ui-space-8:32px;--ui-radius:12px;--ui-font:Inter,"Segoe UI","PingFang SC","Microsoft YaHei",system-ui,sans-serif;--ui-border:var(--v12-line);--ui-panel:var(--v12-card);--ui-text:var(--v12-text);--ui-sub:var(--v12-sub);--ui-accent:var(--v12-primary)}
body[data-workspace]{font-family:var(--ui-font);font-size:14px;line-height:1.6;font-synthesis:none;text-rendering:optimizeLegibility}
body[data-workspace] .nx-content{padding:28px 32px 40px;max-width:1760px;width:100%;min-width:0;margin:0 auto}
body[data-workspace] .nx-topbar{height:72px;padding-inline:32px;gap:16px;border-bottom:1px solid var(--ui-border);background:var(--v12-side)}
body[data-workspace] :is(.panel,.studio-card,.network-flow-card,.nx-panel){border-radius:var(--ui-radius);overflow-wrap:anywhere}
body[data-workspace] :is(.panel-head,.panel-body){padding:20px 24px}
body[data-workspace] :is(.page-heading,.nx-page-heading){gap:24px;margin-bottom:28px}
body[data-workspace] :is(.page-heading h1,.nx-page-heading h1){font-size:28px;font-weight:650;line-height:1.25;letter-spacing:-.025em;margin:0 0 10px}
body[data-workspace] :is(.page-heading p,.nx-page-heading p,.panel-subtitle){max-width:88ch;line-height:1.7;font-size:13px;color:var(--ui-sub)}
body[data-workspace] :is(.button,.mini-button){min-height:38px;line-height:1.4;padding:9px 14px;font-size:13px;cursor:pointer}
body[data-workspace] :is(input:not([type=checkbox]):not([type=radio]),textarea,select){font:inherit;min-height:40px;padding:9px 11px;max-width:100%;border:1px solid var(--v12-line-strong)}
body[data-workspace] input[type=checkbox],body[data-workspace] input[type=radio]{width:17px;height:17px;accent-color:var(--ui-accent);flex:none}
body[data-workspace] :is(th,td){font-size:13px!important;padding:12px 14px!important;vertical-align:top}
body[data-workspace] .resource-dialog{width:min(760px,calc(100vw - 32px));max-height:calc(100dvh - 48px);padding:24px;color:var(--ui-text);border:1px solid var(--v12-line-strong);box-shadow:0 30px 100px #0006;overflow:auto}
body[data-workspace] .resource-dialog::backdrop{background:#07121caa;backdrop-filter:blur(3px)}
body[data-workspace] .resource-dialog h2{font-size:22px;line-height:1.4;margin:0 0 10px}
body[data-workspace] .resource-dialog h3{font-size:14px;margin:22px 0 8px}
body[data-workspace] .resource-dialog :is(p,li){font-size:13px;line-height:1.75}
body[data-workspace] .dialog-actions{display:flex;justify-content:flex-end;flex-wrap:wrap;gap:10px;margin-top:24px;padding-top:20px;border-top:1px solid var(--ui-border)}
.ui-connection{margin:20px 32px 0;padding:12px 16px;display:flex;align-items:center;gap:16px;justify-content:space-between;border:1px solid #b68b37;background:var(--v12-layer);border-radius:8px;font-size:13px;color:var(--ui-text)}
.ui-connection[hidden]{display:none}.ui-connection-message{flex:1}.ui-state{padding:16px 18px;border:1px solid var(--ui-border);border-radius:9px;display:flex;flex-wrap:wrap;gap:8px 16px;align-items:center;background:var(--v12-layer);margin-bottom:20px;font-size:13px}.ui-state strong{font-weight:650}.ui-state span{flex:1;min-width:180px;color:var(--ui-sub)}.ui-state[data-state=error]{border-color:#bd624e}.ui-state[data-state=loading]{border-style:dashed}
.ui-risk{padding:14px 18px;border-radius:8px;border:1px solid #b68b37;background:var(--v12-layer)}.ui-risk h3{margin-top:0!important}.ui-risk ul{margin-bottom:0;padding-left:20px}.ui-ack{display:flex;align-items:flex-start;gap:10px;margin-top:20px;font-size:13px}.ui-ack input{margin-top:4px}
.ui-search{width:min(600px,calc(100vw - 32px))!important}.ui-search input{width:100%;margin-bottom:14px}.ui-search-results{max-height:55vh;overflow:auto;display:grid;gap:4px;margin-bottom:12px}.ui-search-result{text-align:left;border:1px solid transparent;padding:12px 14px;border-radius:7px;background:var(--v12-layer);color:var(--ui-text);font:inherit}.ui-search-result:hover{border-color:var(--v12-primary)}.ui-empty{padding:24px;color:var(--ui-sub);text-align:center}.ui-search-trigger{display:flex;align-items:center;gap:12px;border:1px solid var(--ui-border);border-radius:7px;padding:7px 12px;background:var(--v12-layer);color:var(--ui-sub);font:inherit;font-size:12px}.ui-search-trigger kbd{font-size:10px;padding:1px 4px;border:1px solid var(--ui-border);border-radius:3px}
.ui-stepper{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin-bottom:24px;list-style:none;padding:0}.ui-stepper li{padding:12px 14px;background:var(--v12-layer);border:1px solid var(--ui-border);border-radius:8px;color:var(--ui-sub);font-size:13px}.ui-stepper li[aria-current=step]{border-color:var(--ui-accent);color:var(--ui-text);box-shadow:inset 0 3px var(--ui-accent)}.ui-stepper b{margin-right:8px}.ui-evidence{font-family:ui-monospace,monospace;font-size:12px;word-break:break-all;white-space:pre-wrap}.ui-choice-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:10px}.ui-choice{display:flex;gap:12px;align-items:flex-start;padding:14px;border:1px solid var(--ui-border);border-radius:8px;background:var(--v12-layer)}.ui-choice span{display:grid;gap:4px}.ui-choice small{color:var(--ui-sub)}.ui-evidence-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.ui-journey-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}
body[data-workspace] :is(button,a,input,select,textarea,summary,[tabindex]):focus-visible{outline:3px solid var(--v12-focus)!important;outline-offset:3px}body[data-workspace] button:disabled{cursor:not-allowed;opacity:.48}body[data-workspace] pre{overflow:auto;max-width:100%;white-space:pre-wrap;overflow-wrap:anywhere}body[data-workspace] .table-wrap{max-width:100%;overflow:auto}body[data-workspace] :is(.error-panel,.empty-row){padding:28px}.nx-orbit{opacity:.35}.nx-welcome{min-height:240px!important}.nx-welcome-copy h2{font-size:32px!important}.nx-sidebar .nav-item{font-size:13px!important;min-height:40px}.nx-space{border-radius:8px!important}
@media(max-width:1100px){.ui-search-trigger kbd{display:none}.ui-evidence-grid{grid-template-columns:1fr}}
@media(max-width:850px){body[data-workspace] .nx-content{padding:20px 16px 28px}body[data-workspace] .nx-topbar{padding-inline:16px;height:auto;min-height:64px}.ui-connection{margin:16px 16px 0;align-items:flex-start;flex-direction:column}.ui-stepper{grid-template-columns:repeat(2,minmax(0,1fr))}body[data-workspace] :is(.panel-head,.panel-body){padding:16px}.ui-search-trigger{padding:7px}.ui-search-trigger span{display:none}body[data-workspace] .resource-dialog{padding:18px}}
@media(max-width:480px){.ui-stepper{grid-template-columns:1fr 1fr;gap:6px}.ui-stepper li{font-size:12px;padding:10px}.ui-choice-grid{grid-template-columns:1fr}.ui-journey-actions .button{flex:1;min-width:140px}}
@media(prefers-reduced-motion:reduce){body[data-workspace] *,body[data-workspace] *::before,body[data-workspace] *::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}

.horizon-gate.gate-optional{background:var(--ui-panel);opacity:.78}.horizon-gate.gate-optional .horizon-status{color:var(--ui-sub);background:transparent}

/* Dark evidence panels retain readable headings in either workspace theme. */
body[data-workspace] :is(.horizon-intro,.horizon-next,.horizon-fidelity,.horizon-testbench) :is(h1,h2,h3){color:#e9f7f4}
body[data-workspace] .atlas-tile-notice{top:auto;bottom:12px;transform:translateX(-50%)}
body[data-workspace] .horizon-node{color:var(--ui-text)}
body[data-workspace] .horizon-node:hover{background:var(--v12-layer)}
body[data-theme=light][data-workspace] .horizon-node :is(small,.horizon-hoststate){color:var(--ui-sub)}
body[data-theme=light][data-workspace] :is(.horizon-panel .horizon-inline,.horizon-counter,.horizon-map-count){color:var(--ui-accent)}

/* Persisted, expandable error facts and cross-domain context; independent of toast lifetime. */
.ui-resource-context,.ui-error-history{margin:0 0 16px;max-width:100%;min-width:0}.ui-resource-context .panel-body,.ui-error-history .panel-body{padding:16px}.ui-resource-context summary,.ui-error-history summary{padding:12px 16px;cursor:pointer;overflow-wrap:anywhere}.ui-error-history{border-left:3px solid var(--ui-danger,#ef8585)}.ui-error-history pre,.ui-resource-context pre{max-width:100%;max-height:420px;overflow:auto;white-space:pre-wrap;overflow-wrap:anywhere}.ui-resource-context .resource-line{flex-wrap:wrap}.ui-resource-context button{white-space:normal;overflow-wrap:anywhere}.ui-confirm li{white-space:pre-wrap;overflow-wrap:anywhere}.ui-confirm{max-height:90vh;overflow:auto}

.sig26-node[data-context-selected=true]{outline:3px solid var(--ui-accent,#64dfbd);outline-offset:3px}

/* A native login dialog keeps keyboard focus and assistive technology inside
   authentication until a session has been established. */
dialog.login-overlay{width:100vw;height:100dvh;max-width:none;max-height:none;margin:0;border:0;color:var(--ui-text);overflow:auto}
dialog.login-overlay::backdrop{background:#070d18}
.ui-connection{flex-wrap:wrap}.ui-connection-message{min-width:200px}
.ui-connection button[hidden]{display:none}

/* 3.0.1: shared task-oriented shell, forms, result states and mobile navigation. */
body[data-workspace] .nx-leading{display:flex;align-items:center;gap:12px;min-width:0}
body[data-workspace] .nx-breadcrumb{min-width:0}
body[data-workspace] .nx-breadcrumb strong{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
body[data-workspace] .navigation-toggle,body[data-workspace] .navigation-close{display:none}
.navigation-backdrop[hidden],.ui-state[hidden]{display:none!important}
.workspace-expert-nav{border-top:1px solid var(--ui-border);padding-top:12px;margin-top:12px}
.workspace-expert-nav>summary{padding:10px;color:var(--ui-sub);font-size:12px;cursor:pointer}
body[data-workspace] .nx-sidebar .workspace-nav-group{margin-bottom:10px}
body[data-workspace] .nx-sidebar .nx-space{margin-bottom:12px}
body[data-workspace] .panel-head h2{font-size:17px;font-weight:650;line-height:1.4;margin:0}
body[data-workspace] .panel-head .panel-subtitle{margin:5px 0 0}
body[data-workspace] .panel-head{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
body[data-workspace] label:has(> :is(input,select,textarea)){display:grid;gap:7px;font-size:13px;color:var(--ui-text);min-width:0}
body[data-workspace] label:has(> input[type=checkbox]),body[data-workspace] label:has(> input[type=radio]){display:flex;align-items:flex-start}
body[data-workspace] label>small{color:var(--ui-sub);font-size:12px;font-weight:400;line-height:1.5}
body[data-workspace] :is(input,select,textarea)::placeholder{color:var(--v12-weak);opacity:1}
body[data-workspace] summary{cursor:pointer}
body[data-workspace] [aria-busy=true]{cursor:progress}
body[data-workspace] .task-form{align-items:end}
body[data-workspace] .button-primary{background:var(--ui-accent);border-color:var(--ui-accent);color:var(--v12-on-primary)}
body[data-workspace] .button-ghost{color:var(--ui-text);border-color:var(--ui-border);background:var(--ui-panel)}
body[data-workspace] .button-ghost:hover{background:var(--v12-layer);border-color:var(--v12-line-strong)}
body[data-workspace] .button-primary:hover{filter:brightness(1.08)}
body[data-workspace] .nx-content> :is(.panel,.diagnostic-workspace){margin-bottom:20px}
.ui-empty strong{display:block;color:var(--ui-text);font-size:15px;margin-bottom:6px}
.ui-empty p{margin:6px 0;color:var(--ui-sub)}
.workspace-overview{display:grid;gap:22px}
.workspace-start{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:24px;align-items:center;border:1px solid var(--ui-border);border-left:4px solid var(--ui-accent);border-radius:12px;background:var(--ui-panel);padding:24px}
.workspace-start h2{font-size:22px;margin:5px 0 8px;color:var(--ui-text)}
.workspace-start p{color:var(--ui-sub);margin:0;max-width:70ch}
.workspace-start .nx-eyebrow{font-size:11px!important}
.workspace-start .ui-journey-actions{margin:0}
.workspace-metrics{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border:1px solid var(--ui-border);border-radius:12px;background:var(--ui-panel);padding:18px 0}
.workspace-metrics>div{padding:0 24px;border-right:1px solid var(--ui-border);display:grid;gap:4px}
.workspace-metrics>div:last-child{border-right:0}
.workspace-metrics span,.workspace-metrics small{font-size:12px;color:var(--ui-sub)}
.workspace-metrics strong{font-size:28px;line-height:1.3;font-weight:650;color:var(--ui-text)}
.workspace-actions{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.workspace-action{display:flex;flex-direction:column;gap:10px;padding:24px;background:var(--ui-panel);border:1px solid var(--ui-border);border-radius:12px;min-width:0}
.workspace-action>span{font-size:24px;color:var(--ui-accent)}
.workspace-action h2{font-size:18px;margin:0;color:var(--ui-text)}
.workspace-action p{font-size:13px;color:var(--ui-sub);line-height:1.7;margin:0 0 8px;flex:1}
.workspace-action .button{align-self:flex-start}
.workspace-network-row{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:14px;padding:16px 0;border-top:1px solid var(--ui-border)}
.workspace-network-row:first-child{border-top:0}
.workspace-network-row h3{font-size:14px;margin:0 0 3px}
.workspace-network-row p{font-size:12px;color:var(--ui-sub);margin:0}
.workspace-network-row .ui-journey-actions{margin:0}
.workspace-start-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.workspace-start-grid .panel{margin:0}
.workspace-help{color:var(--ui-sub);font-size:12px;text-align:center;margin:0}
.workspace-help a{color:var(--ui-accent)}
.diagnostic-workspace{display:grid;gap:20px;max-width:1200px}
.diagnostic-workspace .panel{margin:0}
.diagnostic-steps{grid-template-columns:repeat(3,minmax(0,1fr));margin:0;gap:12px}
.diagnostic-steps li{border:0;background:var(--v12-layer);padding:12px 16px}
.diagnostic-steps b{display:inline-grid;place-items:center;width:22px;height:22px;border-radius:50%;background:var(--ui-panel);color:var(--ui-accent);font-size:12px}
.diagnostic-network{max-width:560px;margin-bottom:24px}
.diagnostic-endpoints{display:grid;grid-template-columns:minmax(0,1fr) 28px minmax(0,1fr);gap:18px;align-items:center}
.diagnostic-endpoints select{width:100%}
.diagnostic-direction{color:var(--ui-accent);font-size:24px;text-align:center}
.diagnostic-manual{margin:24px 0;padding:14px 16px;border:1px solid var(--ui-border);border-radius:8px;background:var(--v12-layer);font-size:13px}
.diagnostic-manual[open] summary{margin-bottom:16px}
.diagnostic-controls{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.4fr) auto;gap:16px;align-items:end}
.diagnostic-controls>.button{min-width:140px;min-height:43px}
.diagnostic-result{padding:20px;border:1px solid var(--ui-border);border-radius:10px;background:var(--v12-layer);margin-bottom:14px;min-width:0}
.diagnostic-result[data-state=healthy]{border-left:3px solid var(--ui-accent)}
.diagnostic-result:is([data-state=failed],[data-state=timed_out]){border-left:3px solid #d58e53}
.diagnostic-result h3{font-size:17px;margin:0;color:var(--ui-text)}
.diagnostic-caption{font-size:12px;color:var(--ui-sub);margin:8px 0 14px}
.diagnostic-guidance{font-size:13px;color:var(--ui-text);line-height:1.7}
.diagnostic-error{padding:12px 14px;border:1px solid #b56f55;background:var(--ui-panel);border-radius:7px;white-space:pre-wrap;font-size:13px;overflow-wrap:anywhere}
.diagnostic-result .diagnostic-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;padding:16px 0;border-block:1px solid var(--ui-border);margin:16px 0}
.diagnostic-stats span{font-size:12px;color:var(--ui-sub)}
.diagnostic-stats strong{display:block;font-size:22px;line-height:1.4;margin-top:4px;color:var(--ui-text)}
.diagnostic-details{margin-top:18px;font-size:13px}
.diagnostic-details>summary,.diagnostic-history>summary,.diagnostic-trend>summary{color:var(--ui-sub);padding:8px 0;font-size:13px}
.diagnostic-route-row{padding:16px 0;display:flex;align-items:center;gap:14px;flex-wrap:wrap;border-bottom:1px solid var(--ui-border)}
.diagnostic-route{display:flex;gap:8px;align-items:center;flex-wrap:wrap;min-width:0;flex:1}
.diagnostic-hop{display:inline-flex;flex-direction:column;padding:8px 12px;border:1px solid var(--ui-border);border-radius:6px;background:var(--ui-panel);font-size:12px}
.diagnostic-hop small{color:var(--ui-sub);font-size:11px}
.diagnostic-trend svg{width:100%;max-height:160px}
.diagnostic-history .diagnostic-result{margin-top:12px}
.operation-recovery-reason{font-size:12px;color:var(--ui-sub);padding:10px 0;line-height:1.6}
@media(max-width:1100px){.workspace-actions{gap:12px}.workspace-action{padding:18px}.workspace-start-grid{grid-template-columns:1fr}.workspace-network-row{grid-template-columns:1fr}}
@media(max-width:850px){
 body[data-workspace] .navigation-toggle,body[data-workspace] .navigation-close{display:grid}
 body[data-workspace] .navigation-close{position:absolute;right:14px;top:20px}
 body[data-workspace] .sidebar.nx-sidebar{position:fixed!important;left:0;top:0;bottom:0;width:min(300px,85vw)!important;min-width:0;max-height:100dvh;height:100dvh;z-index:1002;display:flex;overflow-y:auto;padding:0 16px 20px;transform:translateX(-105%);transition:transform .18s ease;border-right:1px solid var(--ui-border)!important}
 body[data-workspace].navigation-open .sidebar.nx-sidebar{transform:translateX(0)}
 body[data-workspace].navigation-open{overflow:hidden}
 body[data-workspace] .nx-sidebar #nav{display:block!important;overflow:visible;padding-bottom:12px!important}
 body[data-workspace] .nx-sidebar .workspace-nav-group{display:block;margin-bottom:12px}
 body[data-workspace] .nx-sidebar #nav .nav-item{display:flex!important;width:100%!important;white-space:normal!important;min-height:44px!important}
 body[data-workspace] .nx-sidebar .nav-caption,body[data-workspace] .nx-sidebar .nx-space,body[data-workspace] .nx-sidebar .nx-side-foot{display:flex!important}
 body[data-workspace] .nx-sidebar .nx-brand{height:76px}
 body[data-workspace] .nx-shell{display:block}
 .navigation-backdrop{display:block;position:fixed;inset:0;z-index:1001;background:#06101cb3;border:0;width:100vw;height:100dvh}
 body[data-workspace] .nx-topbar{position:sticky;top:0;z-index:50;flex-wrap:nowrap;gap:8px}
 body[data-workspace] .nx-breadcrumb{display:flex;font-size:12px;gap:6px}
 .nx-breadcrumb>span{display:none}
 .nx-actions{width:auto;gap:6px}.nx-actions .account-pill{display:none}
 .workspace-start{grid-template-columns:1fr;padding:20px;gap:18px}.workspace-metrics>div{padding:0 16px}
 .diagnostic-controls{grid-template-columns:1fr 1fr}.diagnostic-controls>.button{grid-column:1/-1}
}
@media(max-width:560px){
 body[data-workspace] .nx-content{padding:20px 14px 28px}
 body[data-workspace] .topbar.nx-topbar{padding:10px 14px}
 .nx-actions .nx-modes{display:none}
 .workspace-actions{grid-template-columns:1fr}.workspace-metrics{grid-template-columns:1fr 1fr;row-gap:20px}.workspace-metrics>div:nth-child(2){border:0}
 .workspace-start .ui-journey-actions .button{flex:none}.workspace-start h2{font-size:21px}
 .workspace-network-row .ui-journey-actions .button{flex:none;min-width:0}
 .diagnostic-steps{gap:6px}.diagnostic-steps li{font-size:11px;padding:10px 8px}.diagnostic-steps b{display:block;margin-bottom:6px}
 .diagnostic-endpoints{grid-template-columns:1fr;gap:12px}.diagnostic-direction{display:none}
 .diagnostic-controls{grid-template-columns:1fr}.diagnostic-manual{padding:12px}
 .diagnostic-result{padding:16px 12px}.diagnostic-stats strong{font-size:18px}.diagnostic-result .diagnostic-stats{gap:8px}
 .diagnostic-workspace .panel-head{align-items:flex-start}.diagnostic-route-row>.button{width:100%}
}