/* ClosureProof Assurance Lab design language: off-white paper, ink navy, teal signal = pass,
   burnt orange breach = fail, ochre = pending retest. Instrument Serif display, IBM Plex Sans/Mono.
   Square corners and hairline rules throughout. */
:root{
  --display:'Instrument Serif',Georgia,serif;
  --sans:'IBM Plex Sans',system-ui,sans-serif;
  --mono:'IBM Plex Mono',Menlo,monospace;
  --paper:#f4f2ec;--paper-2:#ebe8df;--card:#fbfaf6;
  --ink:#0f1b24;--ink-2:#3a4752;--muted:#5d6872;--line:#cfcabd;--line-soft:#e0dcd1;
  --signal:#0e8a7e;--signal-2:#3cc4b4;--signal-soft:#d6ece8;
  --breach:#c2410c;--breach-soft:#f7e1d5;
  --ochre:#8a6410;--ochre-soft:#f1e6c8;
  /* legacy aliases used by inline styles */
  --green:var(--signal);--red:var(--breach);--gold:var(--ochre);--mint:var(--signal-soft)
}
*{box-sizing:border-box}
html{background:var(--paper)}
body{margin:0;background:var(--paper);color:var(--ink);font:14px/1.5 var(--sans);-webkit-font-smoothing:antialiased}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
button:disabled{opacity:.45;cursor:not-allowed}
button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--signal);outline-offset:2px}

/* Shell */
.shell{display:grid;grid-template-columns:240px 1fr;min-height:100vh}
.sidebar{padding:28px 0 24px;background:var(--ink);color:#b9c3ca;display:flex;flex-direction:column;position:sticky;top:0;height:100vh;
  background-image:linear-gradient(to right,rgb(244 242 236/.035) 1px,transparent 1px),linear-gradient(to bottom,rgb(244 242 236/.035) 1px,transparent 1px);background-size:32px 32px}
.brand{display:flex;align-items:center;gap:12px;color:var(--paper);padding:0 22px}
.brand .seal{width:38px;height:38px;flex-shrink:0}
.brand .wordmark{display:block;font:400 25px/1 var(--display);letter-spacing:-.2px}
.brand .sub{display:block;margin-top:5px;font:500 9.5px var(--mono);text-transform:uppercase;letter-spacing:.2em;color:#8e9aa3}
.tagline{font:italic 15px var(--display);margin:22px 22px 26px;padding-top:16px;border-top:1px solid #2a3843;color:#8e9aa3}
.nav{display:grid;gap:0;border-top:1px solid #2a3843}
.nav button{background:none;border:0;border-bottom:1px solid #2a3843;border-left:2px solid transparent;color:#c5ced4;text-align:left;padding:13px 20px;border-radius:0;font-size:13.5px}
.nav button:hover{background:#17262f;color:var(--paper)}
.nav button.active{background:#17262f;color:var(--paper);border-left-color:var(--signal-2)}
.navnum{display:inline-block;width:28px;font:11px var(--mono);color:#6f7d87}
.nav button.active .navnum{color:var(--signal-2)}
.sidetail{margin-top:auto;font-size:11.5px;border-top:1px solid #2a3843;padding:18px 22px 0;line-height:1.7;color:#8e9aa3}

.topbar{height:68px;border-bottom:1px solid var(--line);padding:0 40px;display:flex;align-items:center;justify-content:space-between;background:rgb(244 242 236/.9);backdrop-filter:blur(6px);gap:15px;position:sticky;top:0;z-index:5}
.crumb{color:var(--ink-2);font:12px var(--mono);letter-spacing:.04em}
.role{display:flex;gap:10px;align-items:center;font-size:13px}
.role select{border:1px solid var(--line);padding:7px 10px;background:var(--card);border-radius:0;width:auto}
.avatar{background:var(--ink);color:var(--paper);width:34px;height:34px;display:grid;place-items:center;border-radius:50%;font:500 12px var(--mono)}
.main{padding:36px 40px 48px;max-width:1560px;margin:auto}

/* Type */
.eyebrow{font:500 11px var(--mono);text-transform:uppercase;letter-spacing:.16em;color:var(--signal)}
h1,h2,h3{font-family:var(--display);font-weight:400;color:var(--ink)}
h1{font-size:46px;line-height:1.02;letter-spacing:-.5px;margin:10px 0 12px}
h2{font-size:27px;line-height:1.1;margin:0 0 14px}
h3{font-size:20px;line-height:1.15;margin:0 0 8px}
p{line-height:1.65}
.muted{color:var(--muted)}
.intro{display:flex;justify-content:space-between;gap:24px;align-items:flex-end;margin-bottom:30px;padding-bottom:24px;border-bottom:1px solid var(--line)}
.intro p{margin:0;max-width:720px;color:var(--ink-2)}

/* Buttons */
.btn{border:1px solid var(--ink);background:transparent;color:var(--ink);padding:9px 16px;border-radius:0;font-weight:500;font-size:13px;display:inline-flex;align-items:center;justify-content:center;gap:6px;transition:background .15s,color .15s,border-color .15s}
.btn:hover:not(:disabled){background:var(--ink);color:var(--paper)}
.btn.primary{background:var(--ink);color:var(--paper)}
.btn.primary:hover:not(:disabled){background:var(--signal);border-color:var(--signal)}
.btn.danger{color:var(--breach);border-color:var(--breach)}
.btn.danger:hover:not(:disabled){background:var(--breach);color:var(--paper)}
.btn.small{font-size:12px;padding:6px 11px}
.actions{display:flex;gap:8px;flex-wrap:wrap}
.linkbtn{border:0;background:none;color:var(--ink);font-weight:500;padding:0;text-align:left;text-decoration:underline;text-decoration-color:var(--signal);text-underline-offset:3px}
.linkbtn:hover{color:var(--signal)}

/* KPI tiles: hairline grid */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-bottom:30px;border:1px solid var(--line);background:var(--card)}
.stat{padding:20px 22px;cursor:pointer;text-align:left;background:transparent;border:0;border-right:1px solid var(--line);border-radius:0;color:var(--ink);font:inherit}
.stat:last-child{border-right:0}
.stat:hover{background:var(--paper-2)}
.stat .muted{font:500 10.5px var(--mono);text-transform:uppercase;letter-spacing:.14em;color:var(--ink-2)}
.stat .num{font:400 46px/1 var(--display);display:block;margin:12px 0 8px}
.stat small{color:var(--muted);font-size:12px}

.card{background:var(--card);border:1px solid var(--line);border-radius:0;padding:24px;margin-bottom:22px}
.grid{display:grid;grid-template-columns:1.65fr 1fr;gap:22px}

/* Status chips */
.chip{padding:3px 8px;border-radius:0;border:1px solid var(--line);background:var(--paper-2);color:var(--ink-2);display:inline-block;font:500 10.5px var(--mono);text-transform:uppercase;letter-spacing:.08em}
.chip.green{color:var(--signal);background:var(--signal-soft);border-color:#a9d6cf}
.chip.red{color:var(--breach);background:var(--breach-soft);border-color:#ecbca3}
.chip.gold{color:var(--ochre);background:var(--ochre-soft);border-color:#dcc78f}

/* Decision hero */
.hero{background:var(--ink);color:var(--paper);padding:28px;border-radius:0;margin-bottom:22px;border-left:3px solid var(--signal-2)}
.hero h2{color:var(--paper);font-size:30px;line-height:1.2}
.hero .muted{color:#a9b4bc}
.hero .eyebrow{color:var(--signal-2)}
.hero .chip{background:transparent;color:var(--paper);border-color:#4a5966}
.progress{height:4px;background:var(--line-soft);border-radius:0;overflow:hidden;margin:16px 0}
.hero .progress{background:#2a3843}
.progress span{display:block;background:var(--signal);height:100%}
.hero .progress span{background:var(--signal-2)}

/* Rows / checks */
.row{display:flex;align-items:center;justify-content:space-between;gap:15px;padding:15px 0;border-bottom:1px solid var(--line-soft)}
.row:last-child{border:0}
.row p{margin:4px 0 0;font-size:12.5px}
.checkdot{display:grid;place-items:center;flex-shrink:0;width:24px;height:24px;border-radius:0;border:1px solid #ecbca3;background:var(--breach-soft);color:var(--breach);font:500 12px var(--mono)}
.checkdot.pass{background:var(--signal-soft);border-color:#a9d6cf;color:var(--signal)}
.checkbody{display:flex;gap:14px;align-items:flex-start}
.checkbody strong{display:block;font-weight:600}
.checkbody p{margin:5px 0;font-size:12.5px}
.checkbody .next{color:var(--breach)}

/* Tables */
.tablewrap{overflow:auto}
table{width:100%;border-collapse:collapse;text-align:left}
th{font:500 10.5px var(--mono);text-transform:uppercase;letter-spacing:.12em;color:var(--ink-2);padding:12px;background:transparent;border-bottom:1px solid var(--ink)}
td{padding:16px 12px;border-bottom:1px solid var(--line-soft);vertical-align:top}
tr:last-child td{border:0}
tbody tr:hover{background:var(--paper-2)}
td small{display:block;margin-top:5px;color:var(--muted)}

/* Forms */
.formgrid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
label{display:block;font:500 10.5px var(--mono);text-transform:uppercase;letter-spacing:.14em;color:var(--ink-2);margin-bottom:7px}
input,select,textarea{border:1px solid var(--line);background:rgb(255 255 255/.7);border-radius:0;padding:9px 11px;width:100%;color:var(--ink);font-size:14px;transition:border-color .15s,background .15s}
input:focus,select:focus,textarea:focus{border-color:var(--ink);background:#fff;outline:none}
textarea{min-height:72px;resize:vertical}
.field.wide{grid-column:1/-1}
.ticks{display:grid;gap:10px;margin-top:15px}
.ticks label{font:400 14px var(--sans);text-transform:none;letter-spacing:0;color:var(--ink);display:flex;align-items:center;gap:9px}
.ticks input{width:auto;accent-color:var(--signal)}

/* Workflow steps */
.workflow{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin:20px 0;border:1px solid var(--line)}
.step{padding:12px 14px;border-right:1px solid var(--line);background:var(--card);border-radius:0;font-size:12.5px}
.step:last-child{border-right:0}
.step.done{background:var(--signal-soft);color:var(--signal);box-shadow:inset 0 -2px 0 var(--signal)}

.notice{border-left:2px solid var(--breach);padding:4px 14px;line-height:1.6;font-size:12.5px;color:var(--ink-2);margin:18px 0}
.toolbar{display:flex;justify-content:space-between;align-items:center;gap:15px;margin-bottom:18px}
.search{max-width:280px}
.protocols{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}

/* Decision history */
.timeline{border-left:1px solid var(--line);padding-left:22px}
.event{margin:0 0 24px;position:relative}
.event:before{content:'';width:8px;height:8px;border-radius:0;background:var(--signal);position:absolute;left:-26.5px;top:6px}
.event small{color:var(--muted);font:11px var(--mono)}
.hash{font:11px var(--mono);overflow-wrap:anywhere;color:var(--muted)}

.toast{position:fixed;bottom:24px;right:24px;padding:13px 18px;border-radius:0;background:var(--ink);color:var(--paper);border-left:3px solid var(--signal-2);z-index:10;max-width:450px;font-size:13px}

/* Pilot */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:0;border:1px solid var(--line)}
.compare>div{padding:18px;background:var(--paper);border-radius:0}
.compare>div+div{border-left:1px solid var(--line)}
.metricline{display:flex;gap:12px;align-items:center;margin:12px 0}
.metricline b{font:400 34px/1 var(--display)}
.empty{padding:28px;text-align:center;color:var(--muted);font-style:italic}

/* Evidence graph */
.graph{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.node{border:1px solid var(--line);border-radius:0;padding:14px;background:var(--paper)}
.node.bad{border-color:#ecbca3;border-left:3px solid var(--breach);background:#fbf1eb}
.node.good{border-color:#a9d6cf;border-left:3px solid var(--signal);background:#eef6f4}
.node small{display:block;margin-top:6px;color:var(--muted)}

.footer{font:11px var(--mono);color:var(--muted);padding-top:14px;border-top:1px solid var(--line-soft)}
.help{background:var(--paper-2);border-left:2px solid var(--signal);padding:14px 16px;border-radius:0;margin:15px 0;font-size:13px}
.upload{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.upload input{max-width:280px}
.tour{border:1px solid var(--ink);background:var(--card);border-radius:0;padding:16px 18px;margin-bottom:22px;box-shadow:4px 4px 0 var(--signal-soft)}
.tour strong{display:block;margin-bottom:8px;font:400 20px var(--display)}

@keyframes rise{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
.intro,.stats,.hero{animation:rise .6s cubic-bezier(.2,.7,.2,1) both}
@media(prefers-reduced-motion:reduce){.intro,.stats,.hero{animation:none}}

@media(max-width:1000px){.shell{grid-template-columns:200px 1fr}.main{padding:26px}.grid{grid-template-columns:1fr}.stats{grid-template-columns:1fr 1fr}.stat:nth-child(2){border-right:0}.stat:nth-child(-n+2){border-bottom:1px solid var(--line)}.topbar{padding:14px 26px}h1{font-size:38px}}
@media(max-width:650px){.shell{display:block}.sidebar{height:auto;position:static;padding:16px 0 0}.tagline,.sidetail{display:none}.nav{display:flex;overflow:auto;margin-top:14px}.nav button{white-space:nowrap;padding:10px 14px;border-bottom:0;border-left:0;border-top:2px solid transparent}.nav button.active{border-top-color:var(--signal-2)}.navnum{display:none}.topbar{height:auto;flex-wrap:wrap;position:static}.main{padding:22px 16px}h1{font-size:32px}.intro{align-items:flex-start;flex-direction:column}.protocols,.formgrid,.compare{grid-template-columns:1fr}.compare>div+div{border-left:0;border-top:1px solid var(--line)}.workflow{grid-template-columns:1fr 1fr}.step:nth-child(2){border-right:0}.step:nth-child(-n+2){border-bottom:1px solid var(--line)}.role{font-size:12px}.stat{padding:14px}.stat .num{font-size:36px}}
@media print{.sidebar,.topbar,.actions,.tour,.btn,.footer{display:none!important}.shell{display:block}.main{padding:0}.card{break-inside:avoid;background:white}.grid{display:block}.hero{background:white;color:black;border:1px solid #999}.hero h2{color:black}.hero .muted{color:#333}body,html{background:white}h1{font-size:30px}.intro,.stats,.hero{animation:none}}