/* Fix First - workshop tag styling: kraft paper, safety orange, stamped ids. Light and dark share one token set. */
:root {
  --bg: #f1ebdf; --bg2: #e9e1d1; --card: #fffdf7; --ink: #1f262b; --muted: #5d666d; --line: #d8cdb8; --line2: #c6b89d;
  --accent: #d9480f; --accent-ink: #fff; --accent-soft: #fde4d4;
  --fix: #0b7a6f; --fix-soft: #d6f0eb; --pro: #2f5fb3; --pro-soft: #dfe8f8; --stop: #c62828; --stop-soft: #fbdede;
  --warn: #9a6400; --warn-soft: #fbefcf; --ok: #2f7d32; --ok-soft: #dff1df;
  --zone-repair: #3a9d6b; --zone-think: #e0a43a; --zone-replace: #cf4b3a;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --shadow: 0 1px 0 rgba(60, 40, 10, .08), 0 6px 18px -10px rgba(60, 40, 10, .25);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #15181b; --bg2: #1b1f23; --card: #1f2428; --ink: #ece6da; --muted: #a3a9ad; --line: #353c42; --line2: #4a525a;
    --accent: #ff7a33; --accent-ink: #1a1a1a; --accent-soft: #3d2416;
    --fix: #34c0ad; --fix-soft: #143430; --pro: #7ea6f0; --pro-soft: #1b2a45; --stop: #ff6b6b; --stop-soft: #3e1d1d;
    --warn: #f1c25b; --warn-soft: #3a2f14; --ok: #7bd17f; --ok-soft: #1b331c;
    --shadow: 0 1px 0 rgba(0, 0, 0, .3), 0 8px 20px -12px rgba(0, 0, 0, .6);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #15181b; --bg2: #1b1f23; --card: #1f2428; --ink: #ece6da; --muted: #a3a9ad; --line: #353c42; --line2: #4a525a;
  --accent: #ff7a33; --accent-ink: #1a1a1a; --accent-soft: #3d2416;
  --fix: #34c0ad; --fix-soft: #143430; --pro: #7ea6f0; --pro-soft: #1b2a45; --stop: #ff6b6b; --stop-soft: #3e1d1d;
  --warn: #f1c25b; --warn-soft: #3a2f14; --ok: #7bd17f; --ok-soft: #1b331c;
  --shadow: 0 1px 0 rgba(0, 0, 0, .3), 0 8px 20px -12px rgba(0, 0, 0, .6);
  color-scheme: dark;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; font: 16px/1.5 var(--sans); color: var(--ink); background-color: var(--bg);
  background-image: radial-gradient(var(--line) 1px, transparent 1.2px); background-size: 22px 22px;
}
a { color: var(--accent); }
button, input, select, textarea { font: inherit; color: inherit; }
.hidden { display: none !important; }
.muted { color: var(--muted); }
.small { font-size: .875rem; }
.tiny { font-size: .78rem; }
code { font-family: var(--mono); font-size: .9em; background: var(--bg2); padding: 0 .3em; border-radius: 3px; }

/* Header */
.bar { position: sticky; top: 0; z-index: 20; display: flex; align-items: center; gap: 12px; padding: 10px 16px; background: var(--card); border-bottom: 2px dashed var(--line2); }
.back { font-size: .85rem; text-decoration: none; color: var(--muted); white-space: nowrap; }
.brand { display: flex; align-items: center; gap: 8px; font-size: 1.05rem; }
.logo { width: 24px; height: 24px; fill: var(--accent); }
.session { margin-left: auto; display: flex; gap: 6px; align-items: center; flex-wrap: wrap; justify-content: flex-end; }
.credits { font-family: var(--mono); font-size: .8rem; color: var(--muted); }

/* Pills and chips */
.pill { display: inline-flex; align-items: center; gap: 4px; padding: 6px 12px; border-radius: 999px; border: 1.5px solid var(--line2); background: var(--card); cursor: pointer; text-decoration: none; color: var(--ink); font-size: .88rem; line-height: 1.2; }
.pill:hover { border-color: var(--accent); }
.pill.solid { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); font-weight: 600; }
.pill.tiny { padding: 3px 9px; font-size: .78rem; }
.pill.big { padding: 12px 26px; font-size: 1.05rem; min-width: 104px; justify-content: center; }
.pill:disabled { opacity: .5; cursor: not-allowed; }
.chip { padding: 5px 11px; border-radius: 4px; border: 1.5px dashed var(--line2); background: transparent; cursor: pointer; font-size: .85rem; color: var(--ink); }
.chip.on { border-style: solid; border-color: var(--accent); background: var(--accent-soft); }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }

main { max-width: 1060px; margin: 0 auto; padding: 18px 16px 40px; }
.hero { padding: 18px 0 10px; }
.kicker { font-family: var(--mono); text-transform: uppercase; letter-spacing: .12em; font-size: .78rem; color: var(--accent); margin: 0 0 6px; }
.hero h1 { font-size: clamp(2.3rem, 7vw, 3.6rem); line-height: 1; margin: 0 0 12px; letter-spacing: -.02em; }
.lede { max-width: 720px; margin: 0 0 14px; font-size: 1.04rem; }
.samples { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }

/* Cards: a manila tag with a punched hole */
.card { position: relative; background: var(--card); border: 1.5px solid var(--line); border-radius: 10px; padding: 18px 18px 16px 18px; margin: 16px 0; box-shadow: var(--shadow); }
.card::before { content: ""; position: absolute; top: 14px; right: 14px; width: 12px; height: 12px; border-radius: 50%; background: var(--bg); border: 1.5px solid var(--line2); }
.card h2 { margin: 0 0 12px; font-size: 1.2rem; display: flex; align-items: center; gap: 8px; padding-right: 24px; }
.card h3 { margin: 16px 0 6px; font-size: .95rem; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); }
.num { font-family: var(--mono); font-size: .8rem; background: var(--ink); color: var(--card); border-radius: 3px; padding: 1px 7px; }
.field { display: flex; flex-direction: column; gap: 4px; margin: 0 0 12px; }
.lab { font-size: .82rem; font-weight: 600; color: var(--muted); }
input[type=text], input[type=number], select, textarea { width: 100%; padding: 9px 11px; border: 1.5px solid var(--line2); border-radius: 6px; background: var(--bg2); }
input:focus, select:focus, textarea:focus, button:focus-visible, .flowwrap:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
textarea { resize: vertical; min-height: 64px; }
.field-pair { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr); gap: 12px; }
.money-in { display: grid; grid-template-columns: 92px minmax(0, 1fr); gap: 6px; }
.seg { display: flex; flex-wrap: wrap; gap: 0; border: 1.5px solid var(--line2); border-radius: 6px; overflow: hidden; width: fit-content; max-width: 100%; }
.segbtn { border: 0; border-right: 1.5px solid var(--line2); background: transparent; padding: 7px 12px; cursor: pointer; font-size: .86rem; }
.segbtn:last-child { border-right: 0; }
.segbtn.on { background: var(--ink); color: var(--card); }
.drop { position: relative; border-radius: 8px; }
.drop.over { outline: 2px dashed var(--accent); outline-offset: 4px; }
.filebtn { position: relative; margin: 6px 0 10px; cursor: pointer; }
.filebtn input { position: absolute; inset: 0; opacity: 0; cursor: pointer; }

/* Prescan */
.prescan { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr); gap: 18px; margin-top: 6px; }
.factlist, .safetylist, .lines, .plain, .redlist, .recon, .costlist, .hlist, .trail { list-style: none; margin: 0; padding: 0; }
.factlist li { display: flex; gap: 8px; align-items: baseline; padding: 4px 0; border-bottom: 1px dotted var(--line); font-size: .9rem; }
.fid, .cite { font-family: var(--mono); font-size: .74rem; padding: 1px 6px; border-radius: 3px; border: 1px solid var(--line2); background: var(--bg2); white-space: nowrap; }
.fid.y { border-color: var(--ink); }
.fid.t { border-color: var(--fix); color: var(--fix); }
.fid.e { border-color: var(--warn); color: var(--warn); }
.lit { background: var(--accent-soft) !important; transition: background .3s; }
.safetylist li { padding: 7px 10px; border-radius: 6px; margin: 0 0 6px; font-size: .9rem; border-left: 4px solid var(--warn); background: var(--warn-soft); }
.safetylist li.stop { border-left-color: var(--stop); background: var(--stop-soft); font-weight: 600; }
.safetylist li.ok, .none { background: transparent; border-left-color: var(--ok); color: var(--muted); font-style: italic; }
.moneybox { border: 1.5px dashed var(--line2); border-radius: 8px; padding: 10px 12px; }
.moneybox h3 { margin-top: 0; }
.gaugehost { max-width: 320px; margin: 0 auto; }
.gauge { width: 100%; height: auto; display: block; }
.g-track { fill: none; stroke: var(--bg2); stroke-width: 18; }
.g-zone { fill: none; stroke-width: 18; }
.z-repair { stroke: var(--zone-repair); } .z-think { stroke: var(--zone-think); } .z-replace { stroke: var(--zone-replace); }
.g-band { fill: none; stroke-width: 8; stroke-linecap: round; }
.b-diy { stroke: var(--fix); } .b-pro { stroke: var(--pro); }
.g-price { stroke: var(--ink); stroke-width: 2; stroke-dasharray: 3 3; }
.g-needle { stroke: var(--ink); stroke-width: 4; stroke-linecap: round; }
.g-hub { fill: var(--ink); }
.g-tick { font: 600 11px var(--mono); fill: var(--ink); }
.g-read { font: 700 14px var(--sans); fill: var(--ink); }
.g-end { font: 11px var(--mono); fill: var(--muted); text-transform: uppercase; }
.quote { margin-top: 8px; }

/* Ask */
.lanes { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 12px; }
.lane { text-align: left; border: 1.5px solid var(--line2); border-radius: 8px; background: transparent; padding: 10px 12px; cursor: pointer; display: flex; flex-direction: column; gap: 2px; }
.lane span { font-size: .82rem; color: var(--muted); }
.lane.on { border-color: var(--accent); background: var(--accent-soft); box-shadow: inset 4px 0 0 var(--accent); }
.meter { font-family: var(--mono); font-size: .82rem; color: var(--muted); margin: 10px 0 6px; }
.warnline { color: var(--warn); }
.walkline { padding: 8px 10px; background: var(--bg2); border-radius: 6px; }
.gate { background: var(--warn-soft); padding: 8px 10px; border-radius: 6px; font-size: .9rem; }
.go { margin-top: 8px; width: 100%; padding: 14px; border-radius: 8px; border: 0; background: var(--accent); color: var(--accent-ink); font-weight: 700; font-size: 1.05rem; cursor: pointer; letter-spacing: .01em; }
.go:disabled { opacity: .5; cursor: not-allowed; }

/* Progress */
.steps { list-style: none; padding: 0; margin: 0; }
.step { padding: 4px 0; color: var(--muted); font-size: .92rem; }
.step.active { color: var(--ink); font-weight: 600; }
.step.done { color: var(--ok); }
.step-ic { font-family: var(--mono); display: inline-block; width: 1.2em; }
.raw { white-space: pre-wrap; word-break: break-word; font: 12px/1.45 var(--mono); max-height: 360px; overflow: auto; background: var(--bg2); padding: 10px; border-radius: 6px; }
.partial { background: var(--warn-soft); color: var(--warn); padding: 10px 14px; border-radius: 8px; }

/* Results */
.rhead { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; padding-right: 24px; }
.rhead h2 { margin: 0; }
.stamp { font: 700 .8rem var(--mono); text-transform: uppercase; letter-spacing: .08em; padding: 5px 10px; border: 2.5px solid currentColor; border-radius: 4px; transform: rotate(-2deg); }
.v-ready, .v-diy_fix { color: var(--fix); } .v-call_pro { color: var(--pro); } .v-replace { color: var(--warn); } .v-stop_unsafe { color: var(--stop); } .v-need_info { color: var(--muted); }
.summary { font-size: 1.02rem; }
.lines li, .plain li, .redlist li, .costlist li { padding: 5px 0; border-bottom: 1px dotted var(--line); font-size: .93rem; }
.redlist li { color: var(--stop); }
.plan { margin: 0; padding-left: 1.3em; }
.plan li { padding: 4px 0; font-size: .93rem; }
.line { margin: 0; }
.cites { display: inline-flex; flex-wrap: wrap; gap: 3px; vertical-align: middle; }
.cite { cursor: pointer; color: var(--ink); }
.cite.bad { border-color: var(--stop); color: var(--stop); text-decoration: line-through; cursor: help; }
.costlist li { display: flex; justify-content: space-between; gap: 10px; }
.costlist b { font-family: var(--mono); }
.twocol { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 18px; }
.handoff { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; padding-top: 12px; border-top: 2px dashed var(--line); }

/* Walker + flowchart */
.walkgrid { display: grid; grid-template-columns: minmax(0, 320px) minmax(0, 1fr); gap: 16px; margin-top: 12px; align-items: start; }
.walker { border: 2px solid var(--ink); border-radius: 10px; padding: 14px; background: var(--bg2); }
.wstep { font: 600 .78rem var(--mono); color: var(--accent); text-transform: uppercase; letter-spacing: .08em; margin: 0 0 6px; }
.wq { font-size: 1.15rem; font-weight: 700; margin: 0 0 8px; line-height: 1.3; }
.whow { margin: 0 0 6px; font-size: .92rem; }
.wbtns { display: flex; gap: 8px; flex-wrap: wrap; margin: 10px 0 0; }
.walker.leaf-fix { border-color: var(--fix); background: var(--fix-soft); }
.walker.leaf-pro { border-color: var(--pro); background: var(--pro-soft); }
.walker.leaf-stop { border-color: var(--stop); background: var(--stop-soft); }
.trail { margin-top: 12px; font-size: .82rem; }
.trail li { padding: 3px 0; border-top: 1px dotted var(--line2); }
.trail b { font-family: var(--mono); }
.flowwrap { overflow: auto; max-height: 560px; border: 1.5px solid var(--line); border-radius: 8px; background: var(--card); -webkit-overflow-scrolling: touch; }
.flowhost { padding: 4px; width: max-content; }
.flow { display: block; }
.edge { fill: none; stroke: var(--line2); stroke-width: 2; }
.edge.walked { stroke: var(--accent); stroke-width: 4; }
.elabel { font: 600 10px var(--mono); fill: var(--muted); }
.elabel.walked { fill: var(--accent); }
.node { cursor: pointer; }
.node .box { fill: var(--card); stroke: var(--line2); stroke-width: 1.5; }
.node .tag { fill: var(--ink); }
.node .tagtext { font: 700 9.5px var(--mono); fill: var(--card); }
.node .ntext { font: 11.5px var(--sans); fill: var(--ink); }
.node .mins { font: 10px var(--mono); fill: var(--muted); }
.node .risk { font: 700 11px var(--mono); fill: var(--warn); }
.node .risk.r-high { fill: var(--stop); }
.node.k-fix .box { fill: var(--fix-soft); stroke: var(--fix); } .node.k-fix .tag { fill: var(--fix); }
.node.k-pro .box { fill: var(--pro-soft); stroke: var(--pro); } .node.k-pro .tag { fill: var(--pro); }
.node.k-stop .box { fill: var(--stop-soft); stroke: var(--stop); } .node.k-stop .tag { fill: var(--stop); }
.node.onpath .box { stroke: var(--accent); stroke-width: 2.5; }
.node.current .box { stroke: var(--accent); stroke-width: 3.5; stroke-dasharray: 6 3; }
.node.reached .box { stroke-width: 4; }
.node.selected .box { stroke: var(--ink); stroke-width: 3; }
.nodeinfo { margin-top: 10px; padding: 8px 10px; border-left: 4px solid var(--accent); background: var(--bg2); border-radius: 4px; }
.leafhint { margin-top: 10px; padding: 8px 10px; border-left: 4px solid var(--fix, var(--accent)); background: var(--bg2); border-radius: 4px; }

.recon li { padding: 5px 8px; margin: 0 0 4px; border-radius: 5px; font-size: .9rem; }
.recon li.ok { background: var(--ok-soft); color: var(--ok); }
.recon li.warn { background: var(--warn-soft); color: var(--warn); }
.recon li.bad { background: var(--stop-soft); color: var(--stop); }
.exports { display: flex; flex-wrap: wrap; gap: 6px; }
.hrow { display: flex; gap: 8px; align-items: center; padding: 8px 0; border-bottom: 1px dotted var(--line); }
.hinfo { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.hinfo b { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.toasts { position: fixed; bottom: 16px; left: 50%; transform: translateX(-50%); z-index: 50; display: flex; flex-direction: column; gap: 6px; width: min(92vw, 440px); }
.toast { padding: 10px 14px; border-radius: 8px; background: var(--ink); color: var(--card); font-size: .9rem; box-shadow: var(--shadow); transition: opacity .5s; }
.toast.err { background: var(--stop); color: #fff; }
.toast a { color: inherit; font-weight: 700; }
.toast.gone { opacity: 0; }
.foot { max-width: 1060px; margin: 0 auto; padding: 10px 16px 40px; font-size: .82rem; color: var(--muted); }
.sheet { display: none; }

/* Docs pages */
.doc { max-width: 860px; }
.doc pre { overflow: auto; background: var(--bg2); padding: 12px; border-radius: 8px; font: 12.5px/1.5 var(--mono); }
.doc table { border-collapse: collapse; width: 100%; font-size: .9rem; display: block; overflow-x: auto; }
.doc th, .doc td { border: 1px solid var(--line); padding: 6px 8px; text-align: left; vertical-align: top; }
.tabs { display: flex; flex-wrap: wrap; gap: 4px; margin: 8px 0; }
.tab { padding: 4px 10px; border: 1.5px solid var(--line2); border-radius: 4px; background: transparent; cursor: pointer; font-size: .82rem; }
.tab.on { background: var(--ink); color: var(--card); }
.statebox { border: 1.5px dashed var(--line2); border-radius: 8px; padding: 10px 12px; }
.tokenrow { display: flex; flex-wrap: wrap; gap: 6px; margin: 8px 0; }
.tokenbox { font-family: var(--mono); font-size: .85rem; padding: 8px 10px; background: var(--bg2); border-radius: 6px; word-break: break-all; width: 100%; }
.mono { font-family: var(--mono); }

@media (max-width: 760px) {
  .prescan, .twocol, .walkgrid { grid-template-columns: minmax(0, 1fr); }
  .lanes { grid-template-columns: minmax(0, 1fr); }
  .back { display: none; }
  .bar { padding: 8px 12px; gap: 8px; }
  .session .pill { padding: 5px 9px; font-size: .8rem; }
  .flowwrap { max-height: 460px; }
}
@media (max-width: 420px) {
  .field-pair { grid-template-columns: minmax(0, 1fr); }
  .card { padding: 16px 14px 14px; }
}
@media print {
  body { background: #fff; color: #000; }
  .bar, main, .foot, .toasts { display: none !important; }
  .sheet { display: block; font: 12pt/1.4 var(--sans); }
  .sheet table { border-collapse: collapse; width: 100%; }
  .sheet td, .sheet th { border: 1px solid #999; padding: 4px 6px; vertical-align: top; text-align: left; }
}