/* Live cache page (kdb+/q) */
.rt-heroline{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-top:28px}
.rt-heroline > div{border:1px solid var(--border);border-radius:var(--r);background:var(--bg-panel);padding:14px 16px;display:flex;flex-direction:column;gap:4px}
.rt-heroline b{font-family:var(--mono);font-size:1.35rem;color:var(--accent);line-height:1.2}
.rt-heroline span{font-size:13px;color:var(--text-muted)}

/* diagram */
.rt-diagram{border:1px solid var(--border);border-radius:var(--r-lg);background:var(--bg-panel);padding:24px;display:flex;flex-direction:column;gap:14px;overflow-x:auto}
.rt-row{display:grid;grid-template-columns:minmax(120px,1fr) 44px minmax(120px,1fr) 44px minmax(140px,1.1fr) 92px minmax(120px,1fr);align-items:center;min-width:820px}
.rt-row2{align-items:start}
.rt-row2 .rt-spacer{grid-column:span 2}
.rt-row2 .rt-spacer.wide{grid-column:span 3}
.rt-row2 > .rt-node.disk{grid-column:3}
.rt-col{display:flex;flex-direction:column;gap:10px}
.rt-node{font:inherit;text-align:left;cursor:pointer;border:1px solid var(--border);border-radius:var(--r);background:var(--bg-card);color:var(--text);padding:12px 14px;font-weight:600;font-size:15px;display:flex;flex-direction:column;gap:2px;transition:border-color .15s,background .15s}
.rt-node small{font-family:var(--mono);font-size:11px;font-weight:500;color:var(--text-muted)}
.rt-node:hover{border-color:color-mix(in srgb,var(--accent) 50%,var(--border))}
.rt-node[aria-pressed="true"]{border-color:var(--accent);background:var(--accent-soft)}
.rt-node.key{border-style:solid;border-width:1.5px}
.rt-node.disk{border-style:dashed;position:relative}
.rt-node.disk::before{content:"";position:absolute;left:50%;top:-15px;height:14px;border-left:1.5px dashed var(--accent)}
.rt-arrow{position:relative;height:2px;background:var(--accent);margin:0 8px}
.rt-arrow::after{content:"";position:absolute;right:-1px;top:-4px;border:5px solid transparent;border-left:7px solid var(--accent);border-right:0}
.rt-arrow.eod{background:repeating-linear-gradient(90deg,var(--text-muted) 0 5px,transparent 5px 9px)}
.rt-arrow.eod::after{border-left-color:var(--text-muted)}
.rt-arrow i{position:absolute;bottom:8px;left:50%;transform:translateX(-50%);font-style:normal;font-size:11px;color:var(--text-muted);white-space:nowrap}
.rt-detail{margin-top:14px;border:1px solid var(--border);border-left:3px solid var(--accent);border-radius:var(--r);background:var(--bg-panel);padding:18px 20px}
.rt-detail h3{font-size:1.05rem}
.rt-detail-cols{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:10px}
.rt-detail p{font-size:14.5px;color:var(--text-muted)}
.rt-detail .us p{color:var(--text)}
.lbl{font-size:11.5px;letter-spacing:.07em;text-transform:uppercase;font-weight:700;color:var(--text-muted);margin-bottom:6px}
.us > .lbl{color:var(--accent)}
.rt-cmp td.feat{width:14%}
.rt-cmp td{width:43%}

/* simulator */
.rt-sim{border:1px solid var(--border);border-radius:var(--r-lg);background:var(--bg-panel);padding:22px}
.rt-sim-stage{display:grid;grid-template-columns:1fr 1.2fr 1.6fr;gap:14px}
.rt-box{border:1px solid var(--border);border-radius:var(--r);background:var(--bg-card);padding:14px 16px;display:flex;flex-direction:column;gap:2px;transition:opacity .2s,border-color .2s}
.rt-box b{font-family:var(--mono);font-size:1.8rem;line-height:1.15;font-variant-numeric:tabular-nums}
.rt-box > span{font-size:13px;color:var(--text-muted)}
.rt-box.mem b{color:var(--accent)}
.rt-box.down{opacity:.55;border-style:dashed}
.rt-box.down b{color:var(--text-muted)}
.rt-box.bad{border-color:var(--warning)}
.rt-strip{display:flex;flex-wrap:wrap;gap:2px;margin-top:10px;min-height:14px;max-height:44px;overflow:hidden}
.rt-strip i{width:7px;height:10px;border-radius:2px;background:color-mix(in srgb,var(--accent) 65%,transparent)}
.rt-strip i.bad{background:var(--warning)}
.rt-strip i.rep{background:var(--accent)}
.rt-controls{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}
.rt-controls .btn{font-size:14px;padding:8px 14px;cursor:pointer;font-family:inherit}
.rt-controls .btn[disabled]{opacity:.45;cursor:not-allowed}
.rt-controls .btn[hidden]{display:none}
.rt-console{margin-top:14px;background:var(--bg);border:1px solid var(--border);border-radius:var(--r);padding:12px 14px;font-family:var(--mono);font-size:12.5px;line-height:1.6;color:var(--text-muted);height:190px;overflow:auto;white-space:pre-wrap;word-break:break-word}
.rt-console .q{color:var(--text)}
.rt-console .ok{color:var(--accent)}
.rt-console .err{color:var(--warning)}
.rt-note{margin-top:10px;font-size:13px;color:var(--text-muted)}

/* recovery */
.rt-steps{display:flex;flex-direction:column;gap:14px}
.rt-step{display:grid;grid-template-columns:40px minmax(0,1fr);gap:16px;border:1px solid var(--border);border-radius:var(--r-lg);background:var(--bg-panel);padding:20px}
.rt-step .n{width:32px;height:32px;border-radius:8px;background:var(--accent-soft);color:var(--accent);font-weight:700;display:grid;place-items:center}
.rt-step h3{font-size:1.05rem}
.rt-step p{font-size:14.5px;color:var(--text-muted);margin-top:6px;max-width:80ch}
pre.code{margin-top:12px;background:var(--bg);border:1px solid var(--border);border-radius:var(--r);padding:12px 14px;overflow-x:auto;font-size:13px;line-height:1.55}
pre.code code{font-size:inherit;color:var(--text)}
.rt-ours{margin-top:22px;border:1px solid color-mix(in srgb,var(--accent) 45%,var(--border));border-radius:var(--r-lg);background:linear-gradient(180deg,var(--accent-soft),var(--bg-panel) 70%);padding:20px}
.rt-ours .lbl{color:var(--accent)}
.rt-ours p{margin-top:10px;font-size:14px}

/* DR */
.rt-dr{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.rt-card{border:1px solid var(--border);border-radius:var(--r-lg);background:var(--bg-panel);padding:18px 20px;display:flex;flex-direction:column;gap:8px}
.rt-card .top{display:flex;justify-content:space-between;align-items:flex-start;gap:10px}
.rt-card h3{font-size:1rem}
.rt-card p{font-size:14px;color:var(--text-muted)}
.rt-tm{margin-top:16px;padding-top:14px;border-top:1px solid var(--border);font-size:12.5px;color:var(--text-muted)}

@media (max-width:900px){
  .rt-heroline{grid-template-columns:repeat(2,minmax(0,1fr))}
  .rt-sim-stage{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
  .rt-sim-stage .disk{grid-column:span 2}
  .rt-dr{grid-template-columns:repeat(2,minmax(0,1fr))}
  .rt-detail-cols{grid-template-columns:minmax(0,1fr);gap:14px}
}
@media (max-width:640px){
  .rt-dr{grid-template-columns:minmax(0,1fr)}
  .page-hero .eyebrow{flex-wrap:wrap;row-gap:8px}
  .rt-step{grid-template-columns:minmax(0,1fr);gap:10px}
  .rt-diagram{padding:16px}
}
@media (max-width:760px){
  .rt-row{display:flex;flex-direction:column;align-items:stretch;min-width:0;gap:0}
  .rt-row2{margin-top:4px;gap:10px}
  .rt-row2 .rt-spacer{display:none}
  .rt-node.disk::before{display:none}
  .rt-arrow{width:2px;height:22px;margin:4px auto}
  .rt-arrow::after{right:-4px;top:auto;bottom:-1px;border:5px solid transparent;border-top:7px solid var(--accent);border-bottom:0}
  .rt-arrow.eod{background:repeating-linear-gradient(180deg,var(--text-muted) 0 5px,transparent 5px 9px);height:30px}
  .rt-arrow.eod::after{border-left-color:transparent;border-top-color:var(--text-muted)}
  .rt-arrow i{bottom:auto;top:50%;left:12px;transform:translateY(-50%)}
}
.rt-step p code,.rt-card p code{white-space:nowrap}