/* demo.css - nodes plan viewer, on top of the site's notebook tokens (site.css). No inline styles anywhere (CSP). */

.honest { margin: 1.5rem 0 0; max-width: none; font-size: var(--fs-1); }

/* ---------- machine picker: four real links styled as a segmented control ---------- */
.pick { margin-top: 1.5rem; }
.profiles ul { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0; border: 1px solid var(--rule-strong); border-radius: 2px; background: var(--white); }
.profiles li { margin: 0; min-width: 0; }
.profiles li + li { border-left: 1px solid var(--rule-strong); }
.profiles a { display: grid; gap: 0.15rem; padding: 0.7rem 0.9rem; text-decoration: none; color: var(--muted); height: 100%; border-top: 3px solid transparent; }
.profiles a:hover { background: var(--panel); color: var(--ink); }
.profiles a[aria-current="page"] { color: var(--ink); background: var(--accent-tint); border-top-color: var(--accent); }
.profiles .pl { font-weight: 600; color: inherit; }
.profiles .ps { font-family: var(--mono); font-size: var(--fs-0); overflow-wrap: anywhere; }

.demo-head { padding: 2.5rem 0 1.5rem; }
.demo-head h1 { max-width: none; }
.demo-sec { padding-top: 2.25rem; }
.demo-sec + .demo-sec { margin-top: 2.25rem; }
.topbar .demo-name { color: var(--ink); font-weight: 500; }

/* ---------- machine facts ---------- */
.facts.machine { display: grid; grid-template-columns: 11rem minmax(0, 1fr); gap: 0.45rem 1.25rem; margin: 0; font-size: var(--fs-1); }
.facts.machine dt { font-family: var(--mono); font-size: var(--fs-0); color: var(--faint); padding-top: 0.15rem; }
.facts.machine dd { margin: 0; min-width: 0; }
.facts.machine .gpu { display: block; margin: 0 0 0.3rem; background: transparent; padding: 0; font-size: 0.82rem; color: var(--ink); }

/* ---------- knobs ---------- */
.knobs { display: grid; grid-template-columns: repeat(auto-fill, minmax(17rem, 1fr)); gap: 1rem 1.5rem; margin: 0 0 1.5rem; padding: 1rem 1.1rem 1.1rem; border: 1px solid var(--rule); background: var(--white); }
.knob { border: 0; margin: 0; padding: 0; min-width: 0; }
.knob legend, .knob > label { padding: 0; margin-bottom: 0.4rem; font-size: var(--fs-1); display: block; }
.knob .kname { font-weight: 600; }
.knob legend code, .knob > label code { font-size: 0.75rem; color: var(--muted); background: transparent; padding: 0; }
.knob--sub { margin-top: 1.25rem; }
.knob--ram { grid-column: 1 / -1; display: grid; grid-template-columns: auto minmax(8rem, 1fr) auto; align-items: center; gap: 0.25rem 1rem; }
.knob--ram > label { margin: 0; }
.knob--ram input[type="range"] { width: 100%; accent-color: var(--accent); }
.knob--ram output { font-family: var(--mono); font-size: var(--fs-1); min-width: 5.5rem; text-align: right; }
.knob--ram .kdesc { grid-column: 1 / -1; margin: 0; font-size: var(--fs-0); color: var(--muted); font-family: var(--mono); }
.segs { display: flex; flex-wrap: wrap; }
.seg { position: relative; margin: 0 -1px -1px 0; }
.seg input { position: absolute; opacity: 0; width: 1px; height: 1px; margin: 0; }
.seg span { display: block; font-family: var(--mono); font-size: 0.8125rem; padding: 0.35rem 0.7rem; border: 1px solid var(--rule-strong); background: var(--white); color: var(--muted); cursor: pointer; }
.seg:first-child span { border-radius: 2px 0 0 2px; }
.seg:last-child span { border-radius: 0 2px 2px 0; }
.seg input:checked + span { background: var(--ink); border-color: var(--ink); color: var(--white); position: relative; z-index: 1; }
.seg input:focus-visible + span { outline: 2px solid var(--accent); outline-offset: 2px; position: relative; z-index: 2; }
.seg span:hover { color: var(--ink); }
.kfoot { grid-column: 1 / -1; margin: 0; display: flex; flex-wrap: wrap; gap: 0.5rem 1rem; align-items: center; font-size: var(--fs-0); color: var(--muted); }
.knobs-static { display: none; font-size: var(--fs-1); }
.no-js .knobs { display: none; }
.no-js .knobs-static { display: block; }
.no-js .plan-tools { display: none; }

/* ---------- readout ---------- */
.readout-card { border: 1px solid var(--rule); border-left: 3px solid var(--accent); background: var(--panel); padding: 1rem 1.25rem; }
.readout-grid { margin: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem 2rem; }
.ro { min-width: 0; }
.ro dt { font-family: var(--mono); font-size: var(--fs-0); color: var(--faint); }
.ro dd { margin: 0; }
.ro-val { font-family: var(--mono); font-size: 1.35rem; line-height: 1.25; color: var(--ink); overflow-wrap: anywhere; }
.ro-why { font-size: var(--fs-0); color: var(--muted); margin-top: 0.2rem; }
.ro-why:empty { display: none; }
.ro.changed .ro-val { color: var(--accent-ink); }

/* ---------- plan ---------- */
.plan-tools { margin: 0 0 1rem; display: flex; gap: 0.5rem; }
.phase { margin: 0 0 1.25rem; }
.phase-h { font-size: var(--fs-0); font-family: var(--mono); font-weight: 400; color: var(--faint); margin: 0 0 0.35rem; }
.phase-h code { background: transparent; padding: 0; }
.plan { list-style: none; margin: 0; padding: 0; border-top: 2px solid var(--ink); }
.step { margin: 0; border-bottom: 1px solid var(--rule); }
.step summary { display: grid; grid-template-columns: 2rem 7.5rem minmax(0, 1fr) 6.5rem; gap: 0.25rem 1rem; align-items: baseline; padding: 0.6rem 0.25rem 0.6rem 0; cursor: pointer; list-style: none; font-size: var(--fs-1); }
.step summary::-webkit-details-marker { display: none; }
.step summary:hover { background: var(--panel); }
.step .num { font-family: var(--mono); font-size: var(--fs-0); color: var(--faint); }
.step .sid { font-family: var(--mono); font-size: 0.875rem; color: var(--ink); }
.step .sid::before { content: "+"; display: inline-block; width: 0.9rem; color: var(--faint); }
.step details[open] .sid::before { content: "\2212"; }
.step .stitle { min-width: 0; }
.step .scope { font-family: var(--mono); font-size: var(--fs-0); color: var(--muted); }
.step .na { display: block; font-size: var(--fs-0); color: var(--muted); margin-top: 0.15rem; }
.step .na:empty { display: none; }
.step .st { text-align: right; }
.step.is-na .stitle, .step.is-na .sid { color: var(--muted); }
.step .body { padding: 0.25rem 0 1.1rem 2rem; font-size: var(--fs-1); }
.step .sdesc { color: var(--muted); max-width: var(--measure); margin-bottom: 0.75rem; }
.grp { margin: 0.75rem 0 0; }
.grp h4 { font-family: var(--mono); font-size: var(--fs-0); font-weight: 400; color: var(--faint); margin: 0 0 0.3rem; }
.grp ul { list-style: none; margin: 0; padding: 0; }
.grp li { margin: 0 0 0.3rem; padding-left: 0.9rem; position: relative; overflow-wrap: anywhere; }
.grp li::before { content: ""; position: absolute; left: 0; top: 0.62em; width: 0.35rem; height: 0.35rem; border-radius: 50%; background: var(--accent); }
.grp li.rt::before { background: transparent; border: 1px solid var(--muted); }
.grp li.off { display: none; }
.grp.empty { display: none; }
.grp code { font-size: 0.82rem; }
.grp .lbl, .grp .mode { font-family: var(--mono); font-size: var(--fs-0); color: var(--muted); }
.grp .desc { display: block; color: var(--muted); font-size: var(--fs-0); }
.grp .when { display: block; font-family: var(--mono); font-size: 0.75rem; color: var(--faint); }
.grp li.rt .when { color: var(--warn-ink); }
.grp .ok { font-family: var(--mono); font-size: 0.75rem; color: var(--accent-ink); border: 1px solid var(--accent); padding: 0 0.3em; border-radius: 2px; margin-right: 0.3rem; }
.grp li:has(.ok)::before { display: none; }
.grp li:has(.ok) { padding-left: 0; }
.grp ul.cfg { display: flex; flex-wrap: wrap; gap: 0.3rem 0.5rem; }
.grp ul.cfg li { padding-left: 0; margin: 0; }
.grp ul.cfg li::before { display: none; }
.hint p { color: var(--muted); max-width: var(--measure); font-size: var(--fs-0); line-height: 1.55; }
.branch-note { font-family: var(--mono); font-size: var(--fs-0); color: var(--faint); margin: 0.75rem 0 0; }
.branch-note:empty { display: none; }
.rt-key { font-family: var(--mono); font-size: var(--fs-0); color: var(--warn-ink); }

/* ---------- terminal ---------- */
.caption-line { font-size: var(--fs-1); color: var(--muted); max-width: var(--measure); }
.term { margin: 0.75rem 0 0; padding: 1rem 1.1rem; background: var(--ink); color: #e9eeeb; font-family: var(--mono); font-size: 0.78rem; line-height: 1.5; overflow-x: auto; border-radius: 2px; white-space: pre; }
.term:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

/* ---------- harness ---------- */
.harness-top { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 1rem 2rem; align-items: start; margin-bottom: 1.5rem; }
.harness-top .big { border-left: 3px solid var(--accent); background: var(--panel); padding: 0.9rem 1.1rem; }
.harness-top p { font-size: var(--fs-1); max-width: var(--measure); margin: 0; }
.harness-top .readout-label { max-width: 16rem; }
.harness td.bar { width: 28%; padding-right: 0; vertical-align: middle; }
.harness td.bar svg { display: block; width: 100%; height: 0.55rem; }
.harness td.bar rect { fill: var(--accent); }
.harness td { padding-top: 0.4rem; padding-bottom: 0.4rem; }

/* ---------- lessons ---------- */
.lessons { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.lesson-card { border: 1px solid var(--rule); background: var(--white); padding: 1rem 1.15rem; font-size: var(--fs-1); }
.lesson-card h3 { font-size: 1.05rem; margin: 0 0 0.45rem; }
.lesson-card p { margin: 0 0 0.6rem; }
.lc-month { font-family: var(--mono); font-size: var(--fs-0); color: var(--faint); }
.lc-src { font-size: var(--fs-0); color: var(--muted); margin: 0 !important; }

/* ---------- settings ---------- */
.cfg-all summary { cursor: pointer; font-weight: 500; color: var(--accent-ink); margin-bottom: 0.75rem; }
.cfg-table td:first-child { white-space: nowrap; }
.cfg-table td { font-size: var(--fs-0); }
.knob-tag { font-size: 0.65rem; margin-left: 0.3rem; }
.empty-v { color: var(--faint); font-family: var(--mono); }
.parse-note { font-size: var(--fs-0); color: var(--muted); font-family: var(--mono); margin-top: 1rem; max-width: var(--measure); }

/* ---------- responsive ---------- */
@media (max-width: 900px) {
  .profiles ul { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .profiles li:nth-child(3) { border-left: 0; }
  .profiles li:nth-child(n+3) { border-top: 1px solid var(--rule-strong); }
  .lessons { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .facts.machine { grid-template-columns: 1fr; gap: 0.1rem; }
  .facts.machine dd { margin-bottom: 0.5rem; }
  .readout-grid { grid-template-columns: 1fr; }
  .step summary { grid-template-columns: 1.6rem minmax(0, 1fr) auto; }
  .step .stitle { grid-column: 2 / -1; grid-row: 2; }
  .step .st { grid-column: 3; grid-row: 1; }
  .step .body { padding-left: 0; }
  .harness-top { grid-template-columns: 1fr; }
  .harness td.bar { width: 20%; }
  .harness td, .harness th { padding-left: 0.3rem; padding-right: 0.3rem; }
  .harness td:first-child, .harness th:first-child { padding-left: 0; }
  .knob--ram { grid-template-columns: 1fr auto; }
  .knob--ram > label { grid-column: 1 / -1; }
  .cfg-table td:first-child { white-space: normal; }
  .topbar nav ul { gap: 0.1rem 0.9rem; }
}
@media print {
  .pick, .knobs, .plan-tools, .cfg-all > summary { display: none !important; }
  .term { background: #fff; color: #000; border: 1px solid #999; white-space: pre-wrap; }
  .step details:not([open]) .body { display: none; }
}