/* CEP DLP Test Bench — self-contained, no external assets */
:root{
  --paper:#F6F8FA; --panel:#FFFFFF; --ink:#17242D; --muted:#5C6B76;
  --line:#DCE3E8; --wire:#0B57D0; --wire-soft:#E8F0FE;
  --block:#C5221F; --block-soft:#FCE8E6;
  --audit:#E37400; --audit-soft:#FEF0E0;
  --allow:#188038; --allow-soft:#E6F4EA;
  --mask:#7B1FA2;  --mask-soft:#F3E8FD;
  --mono:ui-monospace,"SF Mono","Cascadia Mono","Consolas","Liberation Mono",monospace;
  --sans:-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}
*{box-sizing:border-box;margin:0}
body{background:var(--paper);color:var(--ink);font:16px/1.55 var(--sans)}
a{color:var(--wire)}
code,pre,.mono{font-family:var(--mono)}

/* frame */
.shell{display:grid;grid-template-columns:264px 1fr;min-height:100vh}
.rail{background:var(--ink);color:#C9D6DF;padding:28px 0;position:sticky;top:0;height:100vh;overflow:auto}
.rail .brand{padding:0 24px 20px;border-bottom:1px solid rgba(255,255,255,.12);margin-bottom:14px}
.rail .brand .kicker{font:600 11px/1 var(--mono);letter-spacing:.18em;color:#7FA8E8;text-transform:uppercase}
.rail .brand h1{font-size:19px;font-weight:800;color:#fff;letter-spacing:-.01em;margin-top:8px}
.rail nav a{display:flex;align-items:center;gap:10px;padding:9px 24px;color:#C9D6DF;text-decoration:none;font-size:14px;border-left:3px solid transparent}
.rail nav a:hover{background:rgba(255,255,255,.06);color:#fff}
.rail nav a.on{background:rgba(11,87,208,.28);border-left-color:#7FA8E8;color:#fff}
.rail nav .grp{font:600 10px/1 var(--mono);letter-spacing:.2em;text-transform:uppercase;color:#67808F;padding:18px 24px 8px}
.rail .foot{padding:20px 24px;font-size:12px;color:#67808F}

main{padding:44px 56px 80px;max-width:980px}
.crumb{font:600 11px/1 var(--mono);letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}
h2.page{font-size:34px;font-weight:800;letter-spacing:-.02em;margin:10px 0 6px}
.lede{color:var(--muted);max-width:64ch;margin-bottom:30px}

/* verdict chips */
.chip{display:inline-flex;align-items:center;gap:6px;font:700 11px/1 var(--mono);letter-spacing:.12em;padding:5px 10px;border-radius:3px;text-transform:uppercase}
.chip::before{content:"";width:8px;height:8px;border-radius:50%;background:currentColor}
.chip.block{color:var(--block);background:var(--block-soft)}
.chip.audit{color:var(--audit);background:var(--audit-soft)}
.chip.allow{color:var(--allow);background:var(--allow-soft)}
.chip.mask{color:var(--mask);background:var(--mask-soft)}
.chip.wire{color:var(--wire);background:var(--wire-soft)}

/* protocol cards */
.card{background:var(--panel);border:1px solid var(--line);border-radius:8px;margin-bottom:22px;overflow:hidden}
.card>header{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:14px 20px;border-bottom:1px solid var(--line)}
.card>header .t{font:700 12px/1 var(--mono);letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}
.card .bd{padding:18px 20px}
.card .bd p{margin-bottom:10px}
.card .bd p:last-child{margin-bottom:0}
.card ol,.card ul{padding-left:22px;margin:6px 0 10px}
.card li{margin:5px 0}

/* specimen blocks (sensitive sample data) */
.specimen{position:relative;background:#FBFCFD;border:1px solid var(--line);border-left:none;border-radius:0 6px 6px 0;padding:16px 18px 16px 22px;font:13.5px/1.7 var(--mono);white-space:pre-wrap;word-break:break-word;margin:12px 0}
.specimen::before{content:"";position:absolute;left:0;top:0;bottom:0;width:8px;
  background:repeating-linear-gradient(-45deg,var(--ink) 0 6px,#F0B429 6px 12px)}
.specimen .lbl{position:absolute;top:-9px;left:22px;background:var(--ink);color:#F0B429;font:700 9px/1 var(--mono);letter-spacing:.18em;padding:4px 8px;border-radius:2px}

/* rule matrix (index) */
table.matrix{width:100%;border-collapse:collapse;background:var(--panel);border:1px solid var(--line);border-radius:8px;overflow:hidden}
.matrix th{font:700 11px/1 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--muted);text-align:left;padding:12px 16px;border-bottom:2px solid var(--line);background:#FBFCFD}
.matrix td{padding:13px 16px;border-bottom:1px solid var(--line);font-size:14.5px;vertical-align:top}
.matrix tr:last-child td{border-bottom:none}
.matrix a.rule{font-weight:700;text-decoration:none}
.matrix a.rule:hover{text-decoration:underline}
.matrix .trg{font-family:var(--mono);font-size:12.5px;color:var(--muted)}

/* controls */
.btn{display:inline-block;background:var(--wire);color:#fff;border:none;border-radius:5px;font:600 14px var(--sans);padding:10px 18px;cursor:pointer;text-decoration:none}
.btn:hover{background:#0842A0}
.btn.ghost{background:transparent;color:var(--wire);border:1.5px solid var(--wire)}
.btn.ghost:hover{background:var(--wire-soft)}
textarea.paste{width:100%;min-height:130px;border:1.5px dashed var(--wire);border-radius:6px;background:var(--wire-soft);padding:14px;font:14px/1.6 var(--mono);color:var(--ink);resize:vertical}
textarea.paste:focus{outline:2px solid var(--wire);outline-offset:1px}
input[type=file]{font:14px var(--sans)}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-top:12px}

.note{background:var(--wire-soft);border:1px solid #C6DAFC;border-radius:6px;padding:12px 16px;font-size:14px;margin:14px 0}
.note.warn{background:var(--audit-soft);border-color:#F6D3AB}

kbd{font:600 12px var(--mono);background:#EDF1F4;border:1px solid var(--line);border-bottom-width:2px;border-radius:4px;padding:2px 6px}

.footer-nav{display:flex;justify-content:space-between;margin-top:40px;font-size:14px}
@media (max-width:860px){
  .shell{grid-template-columns:1fr}
  .rail{position:static;height:auto}
  main{padding:28px 20px 60px}
}
@media print{.rail,.footer-nav{display:none}main{padding:0}}