/* Bulb Lasagna - the potting bench. Sage-washed page, a terracotta pot cut in half on a sky/soil board, loam strata,
 * leaf-green and clay accents, a book serif for display, tabular figures for depths and counts. */
:root {
  --bg: #eef2ea; --paper: #fbfcf7; --ink: #1d2a1f; --muted: #5a6a5b; --line: #cfd8c8; --chip: #e7ede1;
  --terra: #b4522b; --terra-ink: #ffffff; --moss: #496a2c; --leaf: #5f8a3a; --soil: #5a3c27; --soil2: #7b573a; --grit: #b9a891;
  --sky: #e2ecf1; --sky2: #f4f7ef; --pot: #c0663d; --pot-rim: #a5532f; --bulb: #d9b98c; --bulb-line: #8f6a3f;
  --ok: #3d6b2f; --warn: #a24a1c; --err: #b3261e; --info: #39607f;
  --shadow: 0 1px 0 rgba(30, 50, 20, 0.06), 0 10px 28px rgba(30, 50, 20, 0.08);
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif; --sans: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0f150f; --paper: #172017; --ink: #e5ecde; --muted: #9db09a; --line: #2e3b2d; --chip: #1f2a1f;
    --terra: #e27b4f; --terra-ink: #1a0f08; --moss: #9cc27a; --leaf: #7fae58; --soil: #3a281b; --soil2: #4f3825; --grit: #6f6556;
    --sky: #142230; --sky2: #18241a; --pot: #a8562f; --pot-rim: #8a4526; --bulb: #c7a477; --bulb-line: #e0c79e;
    --ok: #9cc58c; --warn: #f0a07a; --err: #ff8a80; --info: #9fc2e4; --shadow: 0 1px 0 rgba(0, 0, 0, 0.35), 0 10px 28px rgba(0, 0, 0, 0.35);
  }
}
:root[data-theme="dark"] {
  --bg: #0f150f; --paper: #172017; --ink: #e5ecde; --muted: #9db09a; --line: #2e3b2d; --chip: #1f2a1f;
  --terra: #e27b4f; --terra-ink: #1a0f08; --moss: #9cc27a; --leaf: #7fae58; --soil: #3a281b; --soil2: #4f3825; --grit: #6f6556;
  --sky: #142230; --sky2: #18241a; --pot: #a8562f; --pot-rim: #8a4526; --bulb: #c7a477; --bulb-line: #e0c79e;
  --ok: #9cc58c; --warn: #f0a07a; --err: #ff8a80; --info: #9fc2e4; --shadow: 0 1px 0 rgba(0, 0, 0, 0.35), 0 10px 28px rgba(0, 0, 0, 0.35);
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; color: var(--ink); font: 15px/1.5 var(--sans); background: var(--bg); }
a { color: inherit; }
.hidden { display: none !important; }
.small { font-size: 13px; } .muted { color: var(--muted); } .mono { font-family: var(--mono); }
button, input, select, textarea { font: inherit; color: inherit; }
input, select, textarea { background: var(--paper); border: 1px solid var(--line); border-radius: 8px; padding: 6px 8px; min-width: 0; }
input:focus-visible, select:focus-visible, textarea:focus-visible, button:focus-visible { outline: 2px solid var(--terra); outline-offset: 1px; }

/* header */
.bar { display: flex; align-items: center; gap: 12px; padding: 10px 16px; border-bottom: 1px solid var(--line); background: var(--paper); position: sticky; top: 0; z-index: 20; flex-wrap: wrap; }
.back { text-decoration: none; color: var(--muted); font-size: 14px; }
.brand { display: flex; align-items: center; gap: 8px; font-family: var(--serif); font-size: 19px; margin-right: auto; }
.mark { width: 22px; height: 22px; border-radius: 3px 3px 9px 9px; display: inline-block;
  background: linear-gradient(var(--sky) 0 30%, var(--moss) 30% 42%, var(--soil2) 42% 60%, var(--soil) 60% 100%); border: 2px solid var(--pot); border-top-width: 4px; }
.session { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.credits { font-family: var(--mono); font-size: 13px; color: var(--muted); }
.pill { display: inline-flex; align-items: center; gap: 6px; border: 1px solid var(--line); background: var(--paper); border-radius: 999px; padding: 6px 14px; cursor: pointer; text-decoration: none; font-size: 14px; }
.pill:hover:not(:disabled) { border-color: var(--terra); }
.pill.solid { background: var(--terra); color: var(--terra-ink); border-color: var(--terra); }
.pill.solid:hover:not(:disabled) { filter: brightness(1.06); }
.pill.big { padding: 10px 22px; font-size: 16px; font-weight: 600; }
.pill:disabled { opacity: 0.5; cursor: not-allowed; }

/* hero */
.hero { max-width: 1240px; margin: 0 auto; padding: 28px 16px 10px; }
.kicker { text-transform: uppercase; letter-spacing: 0.12em; font-size: 12px; color: var(--moss); margin: 0 0 6px; font-weight: 600; }
.hero h1 { font-family: var(--serif); font-weight: 600; font-size: clamp(28px, 4.6vw, 46px); line-height: 1.08; margin: 0 0 10px; }
.hero h1 em { color: var(--terra); font-style: italic; font-weight: 500; }
.sub { max-width: 720px; color: var(--muted); margin: 0 0 14px; font-size: 16px; }
.examples { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.ex-label { font-size: 13px; color: var(--muted); }
.chip { border: 1px dashed var(--moss); background: transparent; border-radius: 999px; padding: 5px 12px; cursor: pointer; font-size: 14px; }
.chip.on { background: var(--moss); color: var(--paper); border-style: solid; }

/* layout */
.wrap { max-width: 1240px; margin: 0 auto; padding: 10px 16px 40px; }
.bench { display: grid; grid-template-columns: 250px minmax(0, 1fr) 360px; gap: 16px; align-items: start; }
.panel, .block { background: var(--paper); border: 1px solid var(--line); border-radius: 14px; padding: 16px; box-shadow: var(--shadow); }
.block { margin-top: 16px; }
.panel h2, .block h2 { font-family: var(--serif); font-size: 19px; margin: 0 0 12px; font-weight: 600; }
.num { display: inline-grid; place-items: center; width: 24px; height: 24px; border-radius: 50%; background: var(--terra); color: var(--terra-ink); font: 600 13px var(--sans); margin-right: 4px; vertical-align: 2px; }
.bhead { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 14px; margin-bottom: 10px; }
.bhead h2 { margin: 0; } .bhead p { margin: 0; color: var(--muted); font-size: 14px; }
.field { display: flex; flex-direction: column; gap: 4px; font-size: 13px; color: var(--muted); margin-bottom: 10px; }
.field select, .field input, .field textarea { color: var(--ink); font-size: 15px; }
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.check { display: flex; gap: 8px; align-items: center; font-size: 14px; margin: 4px 0 10px; }
.windowline { font-size: 13px; padding: 8px 10px; border-radius: 8px; background: var(--chip); border-left: 4px solid var(--info); margin: 6px 0 10px; }
.windowline.now { border-left-color: var(--ok); } .windowline.late, .windowline.early { border-left-color: var(--warn); }
.totals { display: grid; grid-template-columns: auto 1fr; gap: 4px 10px; margin: 0; font-size: 14px; }
.totals dt { color: var(--muted); } .totals dd { margin: 0; font-variant-numeric: tabular-nums; }

/* cross-section */
.section-panel { padding: 10px; background: linear-gradient(var(--sky) 0 42%, var(--sky2) 42% 100%); }
.svgwrap { width: 100%; }
#potSvg { width: 100%; height: auto; display: block; max-height: 560px; }
.svg-pot { fill: var(--pot); } .svg-rim { fill: var(--pot-rim); }
.svg-soil { fill: var(--soil); }
.svg-grit { fill: var(--grit); }
.svg-ruler { stroke: var(--muted); stroke-width: 1; }
.svg-t, .svg-small { fill: var(--ink); font: 11px var(--sans); }
.svg-big { fill: var(--ink); font: 600 17px var(--serif); }
.svg-bulb { fill: var(--bulb); stroke: var(--bulb-line); stroke-width: 0.8; }
.svg-roots { stroke: var(--bulb-line); stroke-width: 1.2; stroke-dasharray: 1.5 1.5; }
.svg-layer.bad .svg-bulb { stroke: var(--err); stroke-width: 1.6; stroke-dasharray: 3 2; }
.svg-sw { stroke: var(--ink); stroke-width: 0.6; }
.svg-lead { stroke: var(--muted); stroke-width: 0.6; stroke-dasharray: 2 3; }
.svg-stem { stroke: var(--leaf); stroke-width: 1.8; fill: none; }
.svg-leaf { fill: var(--leaf); opacity: 0.75; }
.svg-flower { stroke: rgba(0, 0, 0, 0.25); stroke-width: 0.6; }
.svg-eye { fill: rgba(60, 40, 10, 0.45); }
.preview { display: flex; align-items: center; gap: 10px; font-size: 14px; padding: 6px 4px; flex-wrap: wrap; }
.preview output { font-family: var(--serif); font-weight: 600; min-width: 80px; }
.preview input { flex: 1; min-width: 160px; accent-color: var(--terra); padding: 0; border: 0; background: transparent; }

/* layers */
.layers { list-style: none; margin: 0 0 10px; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.layer { display: grid; grid-template-columns: 14px 1fr; gap: 6px 10px; padding: 10px; border-radius: 10px; border: 1px solid var(--line); background: linear-gradient(90deg, var(--chip), transparent); }
.layer.error { border-color: var(--err); } .layer.warn { border-color: var(--warn); border-style: dashed; }
.layer .sw { width: 14px; height: 100%; min-height: 34px; border-radius: 4px; border: 1px solid rgba(0, 0, 0, 0.2); }
.sw { display: inline-block; width: 14px; height: 14px; border-radius: 3px; border: 1px solid rgba(0, 0, 0, 0.2); vertical-align: -2px; }
.linfo { display: flex; flex-direction: column; } .linfo b { font-weight: 600; }
.lctl { grid-column: 1 / -1; display: grid; grid-template-columns: 1.3fr 0.8fr 0.9fr auto; gap: 6px; align-items: end; }
.mini { display: flex; flex-direction: column; font-size: 11px; color: var(--muted); gap: 2px; }
.lnum, .lcol { width: 100%; font-size: 14px; padding: 4px 6px; }
.x { border: 1px solid var(--line); background: transparent; border-radius: 8px; padding: 4px 8px; cursor: pointer; font-size: 12px; color: var(--muted); }
.x:hover { color: var(--err); border-color: var(--err); }
.layers .empty { color: var(--muted); font-size: 14px; padding: 10px; border: 1px dashed var(--line); border-radius: 10px; }
.addrow { display: flex; gap: 6px; margin-bottom: 8px; } .addrow select { flex: 1; }

/* matrix */
.matrixwrap { overflow-x: auto; }
.matrix { border-collapse: separate; border-spacing: 2px; width: 100%; min-width: 560px; font-size: 13px; }
.matrix th { font-weight: 500; color: var(--muted); }
.matrix .rowh { text-align: left; white-space: nowrap; color: var(--ink); padding-right: 8px; font-weight: 500; }
.matrix .mon { text-align: center; font-family: var(--serif); color: var(--ink); font-weight: 600; }
.matrix .half { text-align: center; font-size: 11px; cursor: pointer; border-radius: 4px; }
.matrix .half.on { background: var(--terra); color: var(--terra-ink); }
.matrix td { height: 26px; background: var(--chip); border-radius: 4px; cursor: pointer; text-align: center; }
.matrix td.on { outline: 2px solid var(--terra); outline-offset: -2px; }
.matrix tr.cover td { background: transparent; font-variant-numeric: tabular-nums; color: var(--muted); height: 22px; }
.matrix tr.cover td.n1 { background: color-mix(in srgb, var(--leaf) 25%, transparent); color: var(--ink); }
.matrix tr.cover td.n2 { background: color-mix(in srgb, var(--leaf) 50%, transparent); color: var(--ink); }
.matrix tr.cover td.n3 { background: color-mix(in srgb, var(--leaf) 75%, transparent); color: var(--paper); }
.matrix tr.cover td.gap { background: repeating-linear-gradient(45deg, transparent 0 4px, color-mix(in srgb, var(--warn) 30%, transparent) 4px 7px); color: var(--warn); font-size: 11px; }
h3 { font-family: var(--serif); font-size: 16px; margin: 16px 0 6px; }
.facts { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 4px; font-size: 14px; }
.facts li, .recon li { padding: 5px 10px; border-left: 4px solid var(--info); background: var(--chip); border-radius: 0 6px 6px 0; }
.facts li.error, .recon li.error { border-color: var(--err); } .facts li.warn, .recon li.warn { border-color: var(--warn); } .facts li.ok, .recon li.ok { border-color: var(--ok); }

/* ask */
.paid { font: 600 11px var(--sans); background: var(--moss); color: var(--paper); padding: 2px 7px; border-radius: 999px; vertical-align: 3px; letter-spacing: 0.05em; }
.lanes { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-bottom: 12px; }
.lane { text-align: left; border: 1px solid var(--line); border-radius: 12px; padding: 10px 14px; background: var(--paper); cursor: pointer; display: flex; flex-direction: column; }
.lane b { font-family: var(--serif); font-size: 17px; } .lane span { font-size: 13px; color: var(--muted); }
.lane.on { border-color: var(--terra); box-shadow: inset 0 -3px 0 var(--terra); }
.askform { display: flex; flex-direction: column; }
.askform .wide { width: 100%; }
.note { font-size: 14px; padding: 8px 12px; border-radius: 8px; background: var(--chip); margin: 6px 0; }
.meter { font-size: 14px; color: var(--muted); margin: 4px 0; font-variant-numeric: tabular-nums; }
.gate { font-size: 14px; padding: 8px 12px; border-radius: 8px; border: 1px dashed var(--terra); margin: 6px 0; }
.runrow { margin-top: 8px; }
.progress { margin-top: 12px; padding: 12px; border-radius: 10px; background: var(--chip); }
.ptitle { font-weight: 600; margin: 0 0 6px; }
.steps { list-style: none; padding: 0; margin: 0 0 6px; display: grid; gap: 2px; font-size: 14px; }
.step { color: var(--muted); } .step.done { color: var(--ok); } .step.active { color: var(--ink); font-weight: 600; }
.step-ic { font-family: var(--mono); display: inline-block; width: 14px; }
.raw { white-space: pre-wrap; word-break: break-word; background: var(--chip); padding: 10px; border-radius: 6px; font-size: 12px; max-height: 300px; overflow: auto; }

/* results */
.result { margin-top: 14px; border-top: 2px solid var(--line); padding-top: 14px; }
.rhead { display: flex; gap: 14px; align-items: flex-start; }
.rhead h3 { margin: 0 0 4px; font-size: 21px; }
.rhead p { margin: 0; }
.stamp { flex: none; font: 700 13px var(--sans); text-transform: uppercase; letter-spacing: 0.08em; padding: 8px 10px; border: 2px solid currentColor; border-radius: 8px; transform: rotate(-3deg); color: var(--muted); }
.stamp.v-plant, .stamp.v-sings { color: var(--ok); } .stamp.v-adjust, .stamp.v-tweak { color: var(--warn); } .stamp.v-rethink, .stamp.v-clash { color: var(--err); }
.rgrid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 12px 20px; margin: 14px 0; }
.rgrid h4, .recon h4 { margin: 0 0 6px; font-size: 13px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--moss); }
.rgrid ul, .rgrid ol { margin: 0; padding-left: 18px; } .rgrid li { margin-bottom: 4px; }
.lrows, .swaps, .wavelist { list-style: none; padding: 0 !important; }
.lrows li, .swaps li { display: flex; flex-wrap: wrap; gap: 4px 8px; align-items: center; padding: 6px 0; border-bottom: 1px dashed var(--line); }
.tag { font-size: 11px; padding: 1px 7px; border-radius: 999px; background: var(--chip); color: var(--muted); }
.tag.change { background: var(--warn); color: var(--paper); } .tag.ok { background: color-mix(in srgb, var(--ok) 20%, transparent); color: var(--ok); }
.nums { font-variant-numeric: tabular-nums; font-size: 13px; }
.note2 { flex-basis: 100%; font-size: 14px; color: var(--muted); }
.timing { display: grid; grid-template-columns: auto 1fr; gap: 4px 10px; margin: 0; font-size: 14px; }
.timing dt { color: var(--muted); } .timing dd { margin: 0; }
.warnlist li.warn { color: var(--warn); }
li.none { color: var(--muted); list-style: none; margin-left: -18px; }
.wavelist { margin: 12px 0 0; display: grid; gap: 8px; }
.wavelist li { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 10px; padding: 8px 10px; border-radius: 10px; background: var(--chip); }
.strip { display: inline-flex; gap: 2px; } .dot { width: 14px; height: 14px; border-radius: 50%; border: 1px solid rgba(0, 0, 0, 0.2); display: inline-block; }
.arrow { font-size: 12px; color: var(--muted); }
.recon { margin-top: 14px; } .recon ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 4px; font-size: 14px; }
.exports { display: flex; flex-wrap: wrap; gap: 8px; }
.history { list-style: none; padding: 0; margin: 12px 0 0; display: grid; gap: 6px; }
.hrow { display: flex; gap: 10px; align-items: center; padding: 8px 10px; border: 1px solid var(--line); border-radius: 10px; flex-wrap: wrap; }
.hinfo { flex: 1; display: flex; flex-direction: column; min-width: 160px; }

/* footer, toasts, docs */
.foot { max-width: 1240px; margin: 0 auto; padding: 16px 16px 40px; color: var(--muted); font-size: 13px; }
.toasts { position: fixed; right: 16px; bottom: 16px; display: flex; flex-direction: column; gap: 8px; z-index: 50; max-width: min(380px, calc(100vw - 32px)); }
.toast { background: var(--ink); color: var(--paper); padding: 10px 14px; border-radius: 10px; font-size: 14px; box-shadow: var(--shadow); transition: opacity 0.5s; }
.toast.err { background: var(--err); color: #fff; } .toast.gone { opacity: 0; }
.printsheet { display: none; }
.doc { max-width: 900px; margin: 0 auto; padding: 24px 16px 40px; }
.doc h1 { font-family: var(--serif); } .doc h2 { font-family: var(--serif); margin-top: 32px; }
.doc pre { background: var(--chip); padding: 12px; border-radius: 6px; overflow-x: auto; font-size: 12px; }
.doc code { font-family: var(--mono); font-size: 0.92em; }
.doc table { border-collapse: collapse; width: 100%; font-size: 14px; display: block; overflow-x: auto; }
.doc th, .doc td { border-bottom: 1px solid var(--line); padding: 6px 8px; text-align: left; vertical-align: top; }
.tabs { display: flex; gap: 4px; flex-wrap: wrap; margin: 8px 0; }
.tab { border: 1px solid var(--line); background: var(--paper); border-radius: 6px; padding: 3px 10px; cursor: pointer; font-size: 13px; }
.tab.active { background: var(--ink); color: var(--paper); }
.statebox { background: var(--paper); border: 1px solid var(--line); border-radius: 8px; padding: 12px; }
.tokenrow { display: flex; gap: 8px; flex-wrap: wrap; margin: 8px 0; }
.tokenbox { font-family: var(--mono); font-size: 13px; background: var(--chip); padding: 10px; border-radius: 6px; word-break: break-all; width: 100%; }

@media (max-width: 1080px) { .bench { grid-template-columns: 1fr 1fr; } .section-panel { grid-column: 1 / -1; order: -1; } }
@media (max-width: 680px) {
  .bench { grid-template-columns: 1fr; }
  .lanes { grid-template-columns: 1fr; }
  .lctl { grid-template-columns: 1fr 1fr; }
  .brand { font-size: 17px; }
  .bar { gap: 8px; }
}
@media print {
  body { background: #fff; color: #000; }
  .bar, .hero, .wrap, .foot, .toasts { display: none !important; }
  .printsheet { display: block; font: 12px/1.4 Georgia, serif; }
  .printsvg { width: 320px; height: auto; float: right; margin: 0 0 10px 10px; }
  .pkey { border-collapse: collapse; margin-top: 10px; } .pkey th, .pkey td { border: 1px solid #999; padding: 3px 6px; }
}