/* XB-0331. Semantic token mapping from ZTPv2 ui/src/index.css, default BLUE dark
   palette. Component geometry follows its Golden TextInput and record-table owners.
   This file owns all student surfaces; no page-specific token overrides. */
@font-face{font-family:Geist;src:url('/assets/fonts/geist-latin-400-normal.woff2') format('woff2');font-weight:400;font-display:swap}
@font-face{font-family:Geist;src:url('/assets/fonts/geist-latin-500-normal.woff2') format('woff2');font-weight:500 800;font-display:swap}
@font-face{font-family:'Geist Mono';src:url('/assets/fonts/geist-mono-latin-400-normal.woff2') format('woff2');font-weight:400;font-display:swap}
:root{color-scheme:dark;--bg:#0d1117;--surface:#161b22;--elevated:#21262d;--shell:#010409;--fg:#f0f1ef;--secondary:#c9d0d6;--muted:#a6b5c4;--border:#30363d;--soft:#21262d;--control:#6e7681;--hover:#262c36;--table:#0a0d12;--stripe:#0e1218;--rule:#1b2028;--selected:#162234;--accent:#58a6ff;--emphasis:#1f6feb;--success:#3fb950;--warning:#d29922;--danger:#ff7b72;--radius:6px;--motion:220ms;--font:Geist,system-ui,sans-serif;--mono:'Geist Mono',monospace;font:14px/1.55 var(--font);background:var(--bg);color:var(--fg)}
*{box-sizing:border-box}body{margin:0}button,input{font:inherit}button,a,input{touch-action:manipulation}button{cursor:pointer}button:disabled{cursor:wait;opacity:.5}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}svg{width:18px;height:18px;flex:none}button:focus-visible,a:focus-visible,[tabindex]:focus-visible{outline:2px solid var(--accent);outline-offset:4px}h1,h2,h3,p{margin:0}h1{font-size:27px;line-height:1.3;font-weight:500;letter-spacing:-.8px}h2{font-size:15px;font-weight:500}h3{font-size:13px;font-weight:500}.muted{color:var(--muted);font-size:12px}.mono,code{font-family:var(--mono);font-size:12px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}[hidden]{display:none!important}.skip-link{position:fixed;top:-80px;left:20px;z-index:50;background:var(--emphasis);color:white;padding:10px}.skip-link:focus{top:10px}.boot{padding:50px;color:var(--muted)}
.layout{display:grid;grid-template-columns:232px minmax(0,1fr);grid-template-rows:64px minmax(calc(100vh - 64px),1fr)}.brand{grid-row:1;display:flex;align-items:center;gap:12px;padding:0 22px;background:var(--shell);border-bottom:1px solid var(--soft);color:var(--fg)}.brand:hover{text-decoration:none}.brand img{width:31px;height:31px}.brand strong{display:block;font-size:16px;font-weight:500;letter-spacing:-.4px}.brand small{display:block;font-size:10px;letter-spacing:1.6px;text-transform:uppercase;color:var(--muted)}.topbar{display:flex;align-items:center;justify-content:space-between;gap:16px;background:var(--shell);padding:0 30px;border-bottom:1px solid var(--soft);font-size:12px}.breadcrumbs{display:flex;align-items:center;gap:12px;color:var(--muted)}.breadcrumbs b{color:var(--fg);font-weight:400}.breadcrumbs .slash{color:var(--control)}.session-actions{display:flex;align-items:center;gap:18px}.avatar{border:1px solid var(--border);background:var(--surface);border-radius:50%;width:28px;height:28px;display:grid;place-items:center;font-size:11px;color:var(--accent)}
.rail{grid-column:1;background:var(--shell);border-right:1px solid var(--soft);display:flex;flex-direction:column;padding:24px 12px;gap:22px}.rail-label{color:var(--control);font-size:10px;letter-spacing:1.6px;font-weight:500;padding:0 14px;margin-bottom:10px;text-transform:uppercase}.blades{position:relative;display:grid;gap:4px}.nav-marker{position:absolute;inset:0 0 auto;height:42px;border-radius:2px;background:linear-gradient(90deg,color-mix(in srgb,var(--accent) 10%,transparent),color-mix(in srgb,var(--elevated) 76%,transparent));box-shadow:inset 3px 0 var(--accent);transition:transform var(--motion) ease;pointer-events:none}.blade{display:flex;align-items:center;gap:12px;height:42px;border:0;padding:0 14px;background:none;color:var(--secondary);text-align:left;border-radius:2px;position:relative;font-size:13px}.blade:hover{background:color-mix(in srgb,var(--hover) 55%,transparent)}.blade[aria-current=page]{color:var(--fg)}.blade[aria-current=page] svg{color:var(--accent)}.rail-foot{margin-top:auto;padding:16px 14px 0;border-top:1px solid var(--soft)}.rail-foot strong{display:block;font-size:12px;font-weight:500}.rail-foot .mono{display:block;color:var(--muted);font-size:10px;margin-top:6px}.pilot{display:inline-block;color:var(--accent);font-size:10px;letter-spacing:1px;text-transform:uppercase;margin-top:12px}
.workspace{padding:30px 32px 45px;max-width:1640px;width:100%;min-width:0}.page-head{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:26px}.eyebrow{font-size:10px;text-transform:uppercase;letter-spacing:1.6px;color:var(--accent);margin-bottom:8px}.page-description{font-size:13px;color:var(--muted);margin-top:8px;max-width:680px}.toolbar{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.button{border:1px solid var(--border);background:var(--elevated);color:var(--fg);border-radius:var(--radius);padding:7px 12px;display:inline-flex;align-items:center;justify-content:center;gap:8px;font-size:12px;font-weight:500;line-height:1.5;white-space:nowrap;transition:background var(--motion)}.button svg{width:15px;height:15px}.button:hover:not(:disabled){background:var(--hover);text-decoration:none}.button.primary{background:var(--emphasis);border-color:var(--emphasis);color:#fff}.button.primary:hover:not(:disabled){background:#2f7ef4}.button.quiet{background:transparent;border-color:transparent;color:var(--muted)}.badge{display:inline-flex;align-items:center;gap:7px;font-size:11px;line-height:1.4;border:1px solid var(--border);border-radius:30px;color:var(--secondary);padding:4px 9px;white-space:nowrap;background:var(--surface)}.dot{width:5px;height:5px;background:currentColor;border-radius:100%}.badge.blue{color:var(--accent);border-color:color-mix(in srgb,var(--accent) 25%,transparent);background:color-mix(in srgb,var(--accent) 8%,transparent)}.badge.good{color:var(--success);border-color:color-mix(in srgb,var(--success) 25%,transparent);background:color-mix(in srgb,var(--success) 8%,transparent)}.badge.warn{color:var(--warning);border-color:color-mix(in srgb,var(--warning) 25%,transparent)}.badge.error{color:var(--danger)}
.metrics{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-bottom:24px}.metric{padding:18px 20px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);display:grid;gap:8px}.metric-label{font-size:11px;color:var(--muted);display:flex;align-items:center;gap:8px}.metric-label svg{width:15px;height:15px;color:var(--accent)}.metric-value{font-family:var(--mono);font-size:18px;line-height:1.5;color:var(--fg);overflow-wrap:anywhere}.metric-caption{font-size:11px;color:var(--muted)}.panel{border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;background:var(--surface);margin-bottom:20px}.panel-heading{min-height:69px;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:16px 20px;border-bottom:1px solid var(--border)}.panel-heading p{margin-top:3px}.panel-body{padding:20px}.panel-body p+p{margin-top:12px}.table-wrap{overflow:auto;background:var(--table)}table{width:100%;border-collapse:collapse;text-align:left;font-size:12px}th{font-weight:500;color:var(--secondary);font-size:11px;height:36px;background:var(--surface);white-space:nowrap}th,td{padding:12px 18px;border-bottom:1px solid var(--rule);border-right:1px solid var(--rule)}th:last-child,td:last-child{border-right:0}tbody tr:last-child td{border-bottom:0}tbody tr:nth-child(even){background:var(--stripe)}tbody tr:hover{background:var(--selected)}td{vertical-align:middle}td .muted{font-size:10px;margin-top:4px}.text-link{display:inline-flex;align-items:center;gap:7px;font-size:12px}.text-link svg{width:13px;height:13px}.overview-bottom{display:grid;grid-template-columns:1fr 1fr;gap:20px}.overview-bottom .panel{margin:0}.keyvalues{display:grid;grid-template-columns:minmax(105px,auto) minmax(0,1fr);gap:13px 20px;margin:0;font-size:12px}.keyvalues dt{color:var(--muted)}.keyvalues dd{margin:0;overflow-wrap:anywhere;text-align:right}.keyvalues .mono{font-size:11px}.notice{font-size:12px;color:var(--secondary);border:1px solid color-mix(in srgb,var(--accent) 30%,transparent);background:color-mix(in srgb,var(--accent) 6%,var(--bg));padding:13px 16px;border-radius:var(--radius);margin-bottom:18px}.notice.error{color:var(--danger);border-color:color-mix(in srgb,var(--danger) 30%,transparent);background:color-mix(in srgb,var(--danger) 5%,var(--bg))}.notice.success{color:var(--success);border-color:color-mix(in srgb,var(--success) 30%,transparent)}
.firewall-grid{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:22px;align-items:start}.firewall-main{min-width:0}.hostname-form{display:flex;align-items:start;gap:12px;padding:24px 20px 16px}.hostname-form .field-group{flex:1}.hostname-form .button{min-height:40px}.field-group{min-width:0}.floating-field{position:relative}.floating-field input{display:block;width:100%;height:40px;min-width:0;background:var(--bg);color:var(--fg);border:1px solid var(--control);border-radius:0;padding:0 11px;font-size:13px;outline:none}.floating-field input:focus{border-color:var(--accent)}.floating-field label{position:absolute;font-size:13px;line-height:20px;left:5px;top:8px;padding:0 8px;max-width:calc(100% - 2rem);color:var(--secondary);background:var(--bg);pointer-events:none;transform-origin:0 0;transform:translateY(-16px) scale(.75);transition:transform 300ms,top 300ms}.floating-field input:placeholder-shown:not(:focus)~label{top:50%;transform:translateY(-50%) scale(1)}.floating-field input:autofill~label,.floating-field input:-webkit-autofill~label{top:8px;transform:translateY(-16px) scale(.75)}.floating-field input[aria-invalid=true]{border-color:var(--danger)}.field-hint{font-size:10px;color:var(--muted);margin-top:7px}.field-error{font-size:11px;color:var(--danger);margin-top:7px}.host-shortcuts{display:flex;flex-wrap:wrap;gap:7px;padding:0 20px 19px}.host-shortcuts button{font-family:var(--mono);font-size:10px;background:transparent;color:var(--muted);border:1px solid var(--border);padding:4px 8px;border-radius:3px}.host-shortcuts button:hover{color:var(--accent);border-color:var(--accent)}.policy-host{font:14px var(--mono);word-break:break-all}.policy-actions{padding:18px 20px;display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;border-bottom:1px solid var(--border)}.policy-actions p{font-size:11px;color:var(--muted);margin-top:7px}.tabs{display:flex;align-items:stretch;background:var(--surface);border-bottom:1px solid var(--border);padding:0 20px;gap:24px}.tab{border:0;border-bottom:2px solid transparent;padding:14px 0;background:none;color:var(--muted);font-size:12px}.tab[aria-selected=true]{border-bottom-color:var(--accent);color:var(--fg)}.snapshot{padding:20px}.snapshot-heading{display:flex;justify-content:space-between;align-items:center;gap:14px;margin-bottom:18px}.counts{display:flex;gap:28px;margin:18px 0}.count strong{display:block;font:24px var(--mono);font-weight:400;color:var(--accent)}.count small{display:block;font-size:10px;color:var(--muted);margin-top:5px}.range-list{font:11px/1.8 var(--mono);overflow-wrap:anywhere;color:var(--secondary);margin:0;list-style:none;padding:13px 0}.range-columns{display:grid;grid-template-columns:1fr 1fr;gap:24px}.range-columns h3{font-size:11px;color:var(--muted);border-bottom:1px solid var(--border);padding-bottom:10px}.source-links{display:flex;flex-wrap:wrap;gap:16px;margin-top:16px}.rules{margin-top:20px;border:1px solid var(--border);border-radius:4px;background:var(--shell);overflow:hidden}.rules-toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:8px 12px;border-bottom:1px solid var(--border);font-size:10px;color:var(--muted)}.rules-toolbar .button{font-size:10px;padding:4px 7px}.rules pre{margin:0;padding:16px;white-space:pre-wrap;overflow-wrap:anywhere;max-height:350px;overflow:auto;line-height:1.8}.rules code{font-size:10px;color:var(--secondary)}.policy-aside .panel-body{display:grid;gap:18px}.policy-aside .keyvalues{font-size:11px;grid-template-columns:90px minmax(0,1fr);gap:12px}.behavior{display:grid;gap:14px}.behavior-item{display:flex;align-items:flex-start;gap:12px}.behavior-item svg{color:var(--accent);width:16px;height:16px;margin-top:2px}.behavior-item strong{font-size:12px;font-weight:500;display:block}.behavior-item p{font-size:11px;color:var(--muted);margin-top:4px}.empty{padding:35px 24px;text-align:center;color:var(--muted);font-size:12px}.empty svg{color:var(--accent);width:28px;height:28px;margin-bottom:12px}.empty h3{color:var(--fg);font-size:13px;margin-bottom:8px}.footnote{color:var(--muted);font-size:10px;margin-top:22px;display:flex;justify-content:space-between;gap:15px;border-top:1px solid var(--soft);padding-top:18px}
.login-layout{min-height:100vh;display:grid;grid-template-columns:minmax(360px,1fr) 1fr}.login-story{background:var(--shell);padding:45px 55px;display:flex;flex-direction:column;justify-content:space-between;border-right:1px solid var(--border)}.login-story .brand{padding:0;border:0;align-self:flex-start}.login-story h1{font-size:42px;max-width:480px;letter-spacing:-1.4px}.login-story p{max-width:420px;font-size:14px;color:var(--muted);margin-top:20px}.story-lab{margin:36px 0;border-left:2px solid var(--accent);padding:2px 0 2px 18px}.story-lab small{font-size:10px;color:var(--muted);letter-spacing:1.5px;text-transform:uppercase}.story-lab strong{display:block;font:18px var(--mono);margin-top:10px}.login-side{display:grid;place-items:center;padding:45px}.login-form{width:100%;max-width:350px}.login-form h2{font-size:24px;letter-spacing:-.5px;margin-bottom:10px}.login-form .field-group{margin-top:26px}.login-form .primary{width:100%;margin-top:26px;height:40px}.login-form .notice{margin-top:20px}.login-caption{margin-top:24px;font-size:11px;color:var(--muted)}
@media(min-width:1550px){.workspace{padding:38px 46px}.firewall-grid{grid-template-columns:minmax(0,1fr) 330px}}
@media(max-width:1100px){.layout{grid-template-columns:195px minmax(0,1fr)}.workspace{padding:26px 22px}.firewall-grid{grid-template-columns:minmax(0,1fr)}.policy-aside{display:grid;grid-template-columns:1fr 1fr;gap:18px}.metrics{gap:10px}.metric{padding:16px}.metric-value{font-size:15px}.brand{padding:0 18px}}
@media(max-width:760px){.layout{display:block}.brand{height:60px}.topbar{padding:10px 18px;min-height:54px}.session-actions>span{display:none}.rail{padding:10px 12px;border-right:0;border-bottom:1px solid var(--border)}.rail-label,.rail-foot{display:none}.blades{grid-template-columns:1fr 1fr;gap:8px}.nav-marker{display:none}.blade[aria-current=page]{background:var(--selected);box-shadow:inset 0 -2px var(--accent)}.workspace{padding:24px 16px}.page-head{align-items:flex-start}h1{font-size:24px}.page-description{font-size:12px}.metrics{grid-template-columns:1fr}.overview-bottom,.policy-aside{grid-template-columns:1fr}.metric{padding:14px 16px;gap:5px}.metric-value{font-size:17px}.toolbar{justify-content:flex-end}.hostname-form{flex-direction:column}.hostname-form .field-group{width:100%}.hostname-form .button{align-self:flex-end}.range-columns{gap:14px}.range-list{font-size:10px}.panel-heading{padding:16px}.snapshot{padding:16px}.login-layout{display:flex;flex-direction:column}.login-story{padding:24px;border-right:0;border-bottom:1px solid var(--border)}.login-story h1{font-size:26px;margin-top:30px}.login-story p,.login-story footer,.story-lab{display:none}.login-side{padding:38px 24px}.footnote{flex-direction:column}.session-actions{gap:8px}.breadcrumbs{gap:8px;font-size:11px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{transition:none!important;animation:none!important}}
.blade:hover{text-decoration:none}.child-blade{padding-left:40px;width:100%;font-size:12px}.child-blade svg{width:16px;height:16px}.nav-children{display:grid}.log-controls{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:20px}.log-controls label{font-size:12px;color:var(--secondary)}.log-controls select{font:12px var(--mono);min-height:36px;max-width:100%;padding:7px 12px;border:1px solid var(--control);border-radius:var(--radius);background:var(--bg);color:var(--fg)}#log-results table{min-width:1050px}#log-results td{white-space:nowrap}#log-retention{margin-top:20px}#log-retention p+p{margin-top:6px}@media(max-width:760px){.nav-children{grid-column:2}.child-blade{padding-left:14px}.log-controls select{width:100%}}