/* LBRV — a registry ledger: paper, ink, hairlines, one green and one red. */
:root {
  --paper: #f5f0e6; --sheet: #fbf8f1; --ink: #1d1b17; --muted: #6e6658; --rule: #d3c9b6;
  --cedar: #1f4d3a; --cedar-soft: #dfe8df; --brick: #b0412b; --brick-soft: #f1ddd5; --ochre: #b98a2f;
  --serif: "Fraunces", "Iowan Old Style", Georgia, serif;
  --sans: "IBM Plex Sans", "IBM Plex Sans Arabic", "Segoe UI", system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, Consolas, monospace;
}
* { box-sizing: border-box; }
html { background: var(--paper); color: var(--ink); font: 15px/1.5 var(--sans); }
body { margin: 0; }
a { color: var(--cedar); text-underline-offset: 3px; }
a:hover { color: var(--brick); }
:focus-visible { outline: 2px solid var(--cedar); outline-offset: 2px; }
[hidden] { display: none !important; }

#shell { display: grid; grid-template-columns: 210px minmax(0, 1fr); min-height: 100vh; }
#shell:has(#rail[hidden]) { grid-template-columns: minmax(0, 1fr); }
#rail { border-right: 1px solid var(--rule); padding: 28px 22px; display: flex; flex-direction: column;
  position: sticky; top: 0; height: 100vh; }
.wordmark { font: 600 30px/1 var(--serif); letter-spacing: .04em; color: var(--ink); text-decoration: none; }
.wordmark span { display: block; margin-top: 6px; font: 500 10.5px var(--sans); letter-spacing: .16em;
  text-transform: uppercase; color: var(--muted); }
#nav { margin-top: 38px; display: grid; gap: 2px; }
#nav a { padding: 7px 0 7px 12px; border-left: 2px solid transparent; color: var(--ink); text-decoration: none; }
#nav a:hover { border-left-color: var(--rule); }
#nav a[aria-current] { border-left-color: var(--brick); font-weight: 600; }
#nav .sep { height: 1px; background: var(--rule); margin: 12px 0; }
#who { margin-top: auto; font-size: 13px; color: var(--muted); border-top: 1px solid var(--rule); padding-top: 14px; }
#who b { display: block; color: var(--ink); font-weight: 600; }
#view { padding: 40px clamp(18px, 4.5vw, 64px) 80px; max-width: 1240px; width: 100%; outline: none; }

h1 { font: 400 clamp(28px, 3.4vw, 42px)/1.1 var(--serif); margin: 0 0 6px; letter-spacing: -.01em; }
h2 { font: 600 19px/1.3 var(--serif); margin: 38px 0 12px; padding-bottom: 7px; border-bottom: 1px solid var(--ink); }
.kicker { font: 500 11px var(--sans); letter-spacing: .16em; text-transform: uppercase; color: var(--brick); margin: 0 0 10px; }
.lede { color: var(--muted); max-width: 62ch; margin: 0 0 26px; }
.muted { color: var(--muted); } .mono { font-family: var(--mono); font-size: 13px; } .num { text-align: right; font-variant-numeric: tabular-nums; }
.note { font-size: 13px; color: var(--muted); border-left: 2px solid var(--ochre); padding-left: 10px; margin: 14px 0; max-width: 70ch; }

/* forms */
label { display: grid; gap: 4px; font-size: 12px; letter-spacing: .04em; color: var(--muted); }
input, select, textarea { font: inherit; color: var(--ink); background: var(--sheet); border: 1px solid var(--rule);
  border-radius: 2px; padding: 8px 10px; width: 100%; }
input:focus, select:focus, textarea:focus { border-color: var(--cedar); outline: none; box-shadow: inset 0 -2px 0 var(--cedar); }
input[type=checkbox] { width: auto; }
.check { display: flex; align-items: center; gap: 8px; font-size: 14px; color: var(--ink); letter-spacing: 0; }
button, .btn { font: 500 14px var(--sans); padding: 8px 15px; border: 1px solid var(--ink); border-radius: 2px;
  background: transparent; color: var(--ink); cursor: pointer; text-decoration: none; display: inline-block; }
button:hover, .btn:hover { background: var(--ink); color: var(--paper); }
button.primary { background: var(--cedar); border-color: var(--cedar); color: #fff; }
button.primary:hover { background: #163a2b; }
button.danger { border-color: var(--brick); color: var(--brick); }
button.danger:hover { background: var(--brick); color: #fff; }
button.quiet { border-color: transparent; padding: 4px 8px; color: var(--cedar); text-decoration: underline; text-underline-offset: 3px; }
button.quiet:hover { background: transparent; color: var(--brick); }
button:disabled { opacity: .5; cursor: default; }
.row { display: flex; flex-wrap: wrap; gap: 10px; align-items: end; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 12px; }
.stack { display: grid; gap: 14px; max-width: 420px; }

/* search */
.searchbar { display: flex; gap: 0; border-bottom: 2px solid var(--ink); max-width: 820px; }
.searchbar input { border: 0; background: transparent; font: 400 22px var(--serif); padding: 10px 2px; box-shadow: none !important; }
.searchbar button { border: 0; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; font-size: 12px; }
details.filters { margin: 14px 0 0; max-width: 820px; }
details.filters summary { cursor: pointer; font-size: 13px; color: var(--muted); padding: 4px 0; }
details.filters .grid { margin-top: 10px; }
.toolbar { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin: 26px 0 8px; padding: 9px 0;
  border-top: 1px solid var(--ink); border-bottom: 1px solid var(--rule); }
.toolbar .count { margin-right: auto; font: 600 15px var(--serif); }

/* tables */
.tablewrap { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; font-size: 14px; }
th { text-align: left; font: 500 10.5px var(--sans); letter-spacing: .13em; text-transform: uppercase; color: var(--muted);
  padding: 9px 12px 9px 0; border-bottom: 1px solid var(--ink); white-space: nowrap; }
td { padding: 9px 12px 9px 0; border-bottom: 1px solid var(--rule); vertical-align: top; }
tbody tr:hover td { background: rgba(31, 77, 58, .045); }
.tablewrap td:not([dir]):not(.mono) { white-space: nowrap; }
.plate { display: inline-block; font: 500 13px var(--mono); border: 1.5px solid var(--ink); border-radius: 3px;
  padding: 1px 7px; background: var(--sheet); white-space: nowrap; }
.tag { font: 500 10.5px var(--sans); letter-spacing: .1em; text-transform: uppercase; padding: 2px 7px; border-radius: 2px;
  background: var(--cedar-soft); color: var(--cedar); white-space: nowrap; }
.tag.off { background: var(--brick-soft); color: var(--brick); } .tag.wait { background: #f2e7cd; color: #7a5a14; }

/* figures */
.figures { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--rule); margin: 22px 0; }
.figures div { padding: 14px 16px 14px 0; }
.figures div + div { border-left: 1px solid var(--rule); padding-left: 16px; }
.figures dt { font: 500 10.5px var(--sans); letter-spacing: .13em; text-transform: uppercase; color: var(--muted); }
.figures dd { margin: 4px 0 0; font: 400 27px/1.15 var(--serif); font-variant-numeric: tabular-nums; }
.facts { display: grid; grid-template-columns: max-content 1fr; gap: 5px 22px; margin: 0; }
.facts dt { color: var(--muted); font-size: 13px; } .facts dd { margin: 0; }

svg.chart { width: 100%; height: auto; display: block; font-family: var(--sans); }
svg .axis { stroke: var(--rule); } svg .axis-ink { stroke: var(--ink); }
svg text { fill: var(--ink); font-size: 12px; } svg text.small { fill: var(--muted); font-size: 10.5px; }
svg .seg-a { fill: var(--cedar); } svg .seg-b { fill: var(--ochre); } svg .seg-past { fill: #b9b09d; } svg .seg-now { fill: var(--cedar); }
svg .edge { stroke: #a79d88; stroke-width: 1; }
svg .node { cursor: pointer; } svg .node:hover .shape { stroke: var(--brick); stroke-width: 3; }
svg .owner .shape { fill: var(--cedar); stroke: var(--paper); stroke-width: 2; }
svg .vehicle .shape { fill: var(--sheet); stroke: var(--ink); stroke-width: 1.5; }
svg .seed .shape { stroke: var(--brick); stroke-width: 3; }
.graphtools { display: flex; gap: 6px; align-items: center; padding: 8px 10px; border-bottom: 1px solid var(--rule); font-size: 12.5px; }
.graphtools button { padding: 3px 11px; min-width: 34px; }
svg.graph { cursor: grab; touch-action: none; user-select: none; --k: 1; }
svg.graph.dragging { cursor: grabbing; }
svg.graph .lbl { font-size: calc(11px / var(--k)); paint-order: stroke; stroke: var(--sheet); stroke-width: calc(3px / var(--k)); }
svg.graph .shape { transform-box: fill-box; transform-origin: center; transform: scale(var(--s, 1)); vector-effect: non-scaling-stroke; }
svg.graph .sub { fill: var(--muted); }
svg.graph .edge { stroke-width: calc(1px / var(--k)); }
svg.graph .l1, svg.graph .l2 { display: none; }
svg.graph.lod1 .l1, svg.graph.lod2 .l1, svg.graph.lod2 .l2 { display: inline; }
.graphbox { border: 1px solid var(--rule); background: var(--sheet); }
.legend { display: flex; gap: 18px; font-size: 13px; color: var(--muted); margin: 8px 0; }

/* assistant */
.chat { display: grid; gap: 18px; max-width: 800px; margin: 20px 0; }
.msg { padding-left: 14px; border-left: 2px solid var(--rule); white-space: pre-wrap; overflow-wrap: anywhere; }
.msg.user { border-left-color: var(--brick); font-family: var(--serif); font-size: 17px; }
.msg.assistant { border-left-color: var(--cedar); }
.msg small { display: block; font: 500 10.5px var(--sans); letter-spacing: .13em; text-transform: uppercase; color: var(--muted); margin-bottom: 3px; }
.ask { display: flex; gap: 8px; max-width: 800px; } .ask textarea { min-height: 62px; resize: vertical; }
.prompts { display: flex; flex-wrap: wrap; gap: 6px; }

/* sign-in */
.gate { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(320px, 440px); min-height: 100vh; margin: -40px calc(-1 * clamp(18px, 4.5vw, 64px)) -80px; max-width: none; }
.gate .cover { background: var(--cedar); color: #eef1ea; padding: clamp(28px, 6vw, 80px); display: flex; flex-direction: column; justify-content: space-between; }
.gate .cover h1 { font-size: clamp(34px, 5vw, 62px); color: #fff; max-width: 13ch; }
.gate .cover p { max-width: 46ch; color: #cdd9cf; }
.gate .cover .wordmark { color: #fff; } .gate .cover .wordmark span { color: #b9cabd; }
.gate .cover footer { font-size: 12px; color: #a9bcae; letter-spacing: .04em; }
.gate .panel { padding: clamp(28px, 5vw, 64px); align-self: center; }
.tabs { display: flex; gap: 22px; border-bottom: 1px solid var(--rule); margin: 0 0 22px; }
.tabs a, .tabs button { border: 0; border-bottom: 2px solid transparent; padding: 8px 0; background: none; color: var(--muted); text-decoration: none; font: 500 14px var(--sans); border-radius: 0; }
.tabs a:hover, .tabs button:hover { background: none; color: var(--ink); }
.tabs [aria-current] { color: var(--ink); border-bottom-color: var(--brick); }
.tabs.wrap { flex-wrap: wrap; gap: 4px 22px; }
.stack.wide { max-width: 640px; }
fieldset.card { border: 1px solid var(--rule); border-left: 3px solid var(--cedar); padding: 14px 16px; margin: 16px 0; background: var(--sheet); display: grid; gap: 12px; max-width: 900px; }
fieldset.card legend { font: 600 14px var(--serif); padding: 0 6px; }
.result { font-size: 13.5px; } .result.ok { color: var(--cedar); } .result.bad { color: var(--brick); }
.result.ok::before { content: "✓ "; } .result.bad::before { content: "✕ "; }
pre.code { background: var(--ink); color: #f1ead9; padding: 14px 16px; font: 13px/1.6 var(--mono); overflow-x: auto; white-space: pre-wrap; word-break: break-all; max-width: 900px; border-radius: 2px; }
progress.wide { width: min(640px, 100%); height: 12px; }
progress { width: 180px; height: 8px; accent-color: var(--cedar); }
img.qr { display: block; width: 240px; height: 240px; border: 1px solid var(--rule); background: #fff; padding: 8px; }
.paircode { font: 500 34px var(--mono); letter-spacing: .12em; margin: 6px 0; }
input.price { width: 110px; text-align: right; padding: 4px 6px; }
.tablewrap td.wrapcell { white-space: normal; min-width: 220px; }
.error { color: var(--brick); font-size: 14px; min-height: 1.4em; margin: 0; }

#toast { position: fixed; bottom: 22px; left: 50%; translate: -50% 0; background: var(--ink); color: var(--paper);
  padding: 10px 18px; border-radius: 2px; font-size: 14px; opacity: 0; pointer-events: none; transition: opacity .2s; max-width: 90vw; }
#toast.show { opacity: 1; }

@media (max-width: 820px) {
  #shell { grid-template-columns: minmax(0, 1fr); }
  .toolbar .count { flex-basis: 100%; }
  #rail { position: static; height: auto; flex-direction: row; flex-wrap: wrap; align-items: center; gap: 12px 18px; padding: 14px 18px; border-right: 0; border-bottom: 1px solid var(--rule); }
  #nav { margin: 0; display: flex; flex-wrap: wrap; gap: 4px 14px; } #nav a { padding: 2px 0; border-left: 0; border-bottom: 2px solid transparent; }
  #nav a[aria-current] { border-bottom-color: var(--brick); } #nav .sep { display: none; }
  #who { margin: 0 0 0 auto; border: 0; padding: 0; }
  .gate { grid-template-columns: 1fr; } .gate .cover { min-height: 38vh; }
}
@media print {
  #rail, .noprint, #toast, .searchbar, details.filters { display: none !important; }
  #shell { display: block; } #view { padding: 0; max-width: none; }
  html { background: #fff; font-size: 11px; } a { color: inherit; text-decoration: none; }
}