:root {
  --paper: #FFFFFF;
  --sheet: #FAF8F5;
  --ink: #0A0A0A;
  --ink-soft: #5F5B55;
  --rule: #ECE8E2;
  --rule-strong: #DCD6CD;
  --tang: #0A0A0A;
  --tang-ink: #82633A;
  --tang-wash: #F5EFE6;
  --on-tang: #FFFFFF;
  --good: #1f6b3a;
  --bad: #a3261a;
  --check-a: #ffffff;
  --check-b: #EEEAE4;
  --round: 12px;
  --stack: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --code: #F4F1EC;
    --mono: ui-monospace, "Cascadia Mono", "SF Mono", SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  }

:root[data-theme="dark"] {
    --paper: #000000;
    --sheet: #0F0E0D;
    --ink: #FFFFFF;
    --ink-soft: #A8A39C;
    --rule: #24221F;
    --rule-strong: #35322E;
    --tang: #FFFFFF;
    --tang-ink: #C9AE8A;
    --tang-wash: #1C1813;
    --good: #7fd29b;
    --bad: #ff9a8c;
    --check-a: #1A1917;
    --check-b: #111010;
    --on-tang: #000000;
    --code: #171614;
  }

*, *::before, *::after { box-sizing: border-box; }

[hidden] { display: none !important; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 16px/1.55 var(--stack);
}

h1, h2, h3, p, ul, ol, fieldset, legend { margin: 0; padding: 0; }

fieldset { border: 0; min-width: 0; }

button, input, select { font: inherit; color: inherit; }

:focus-visible {
  outline: 3px solid var(--tang-ink);
  outline-offset: 2px;
}

.sr {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.wrap {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

.masthead {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 0;
  border-bottom: 1px solid var(--rule);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.brand svg { width: 28px; height: 28px; flex: none; }

.pledge {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--ink-soft);
  font-size: 14px;
}

.pledge svg { width: 16px; height: 16px; flex: none; color: var(--tang-ink); }

.intro { padding: 56px 0 28px; max-width: 760px; }

.intro h1 {
  font-size: clamp(30px, 5vw, 46px);
  line-height: 1.08;
  letter-spacing: -0.025em;
}

.intro h1 em { font-style: normal; color: var(--tang-ink); }

.intro p {
  margin-top: 16px;
  color: var(--ink-soft);
  font-size: 18px;
}

.modes { margin-bottom: 24px; }

.modes .choices { gap: 8px; }

.bench {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  grid-template-rows: auto 1fr;
  grid-template-areas: "intake panel" "results panel";
  gap: 24px 28px;
  align-items: start;
}

.intake { grid-area: intake; }
.panel { grid-area: panel; }
.results { grid-area: results; }

.dropzone {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  padding: 44px 24px;
  border: 2px dashed var(--rule-strong);
  border-radius: var(--round);
  background: var(--sheet);
  text-align: center;
  transition: border-color 0.15s, background-color 0.15s;
}

.is-dragging .dropzone {
  border-color: var(--tang);
  background: var(--tang-wash);
}

.dropzone > svg { width: 40px; height: 40px; color: var(--tang-ink); }

.dropzone p { color: var(--ink-soft); }

.notice { margin-top: 10px; color: var(--bad); font-size: 14px; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid var(--ink);
  border-radius: 8px;
  background: transparent;
  color: var(--ink);
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  transition: background-color 0.15s, transform 0.05s;
}

.btn:hover { background: var(--tang-wash); }
.btn:active { transform: translateY(1px); }
.btn svg { width: 18px; height: 18px; flex: none; }

.btn-main {
  border-color: var(--tang);
  background: var(--tang);
  color: var(--on-tang);
}

.btn-main:hover { background: var(--tang); filter: brightness(1.07); }

.btn:disabled {
  border-color: var(--rule-strong);
  background: transparent;
  color: var(--ink-soft);
  filter: none;
  cursor: default;
}

.btn-small { min-height: 38px; padding: 0 12px; font-size: 14px; }

.panel {
  position: sticky;
  top: 16px;
  display: grid;
  gap: 22px;
  padding: 22px;
  border: 1px solid var(--rule);
  border-radius: var(--round);
  background: var(--sheet);
}

.panel legend, .panel .label, .field > label {
  display: block;
  margin-bottom: 8px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.choices { display: flex; flex-wrap: wrap; gap: 6px; }

.choice { position: relative; display: block; cursor: pointer; }

.choice input {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  opacity: 0;
  cursor: pointer;
}

.choice span {
  display: block;
  min-height: 40px;
  padding: 8px 13px;
  border: 1px solid var(--rule-strong);
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  line-height: 22px;
}

.choice small {
  display: block;
  color: var(--ink-soft);
  font-size: 12px;
  font-weight: 500;
  line-height: 1.3;
}

.choice input:checked + span {
  border-color: var(--ink);
  background: var(--ink);
  color: var(--paper);
}

.choice input:checked + span small { color: inherit; opacity: 0.75; }

.choice input:focus-visible + span {
  outline: 3px solid var(--tang-ink);
  outline-offset: 2px;
}

.stack { display: grid; grid-template-columns: minmax(0, 1fr); }

.field { display: grid; }

.field + .field, .sub { margin-top: 16px; }

.hint { margin-top: 6px; color: var(--ink-soft); font-size: 13px; }

.caution {
  padding: 12px 14px;
  border-left: 3px solid var(--tang);
  border-radius: 0 8px 8px 0;
  background: var(--tang-wash);
  font-size: 14px;
}

.slider { display: flex; align-items: center; gap: 12px; }

.slider input { flex: 1; min-width: 0; height: 28px; accent-color: var(--tang); }

.slider output {
  min-width: 2.5ch;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  text-align: right;
}

.unit { display: flex; align-items: center; gap: 8px; }

.unit span { color: var(--ink-soft); }

.text, select {
  width: 100%;
  min-height: 42px;
  padding: 0 12px;
  border: 1px solid var(--rule-strong);
  border-radius: 8px;
  background: var(--paper);
  font-variant-numeric: tabular-nums;
}

.unit .text { max-width: 110px; }

.tick {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 12px;
  cursor: pointer;
}

.tick input { width: 20px; height: 20px; margin: 0; accent-color: var(--tang); }

.actions { display: flex; flex-wrap: wrap; gap: 8px; }

.results-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 16px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--rule);
}

.dock { display: contents; }

.tally { flex: 1 1 220px; font-weight: 600; font-variant-numeric: tabular-nums; }

.tally progress {
  display: block;
  width: 100%;
  max-width: 260px;
  height: 6px;
  margin-top: 8px;
  accent-color: var(--tang);
}

.rows { list-style: none; }

.row {
  display: grid;
  grid-template-columns: 28px 56px minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--rule);
  background: var(--paper);
  user-select: none;
  -webkit-user-select: none;
  -webkit-touch-callout: none;
}

.handle { display: grid; place-items: center; }

.grip { display: grid; place-items: center; width: 28px; height: 40px; color: var(--ink-soft); cursor: grab; }

.grip svg { width: 18px; height: 18px; }

.pick { width: 20px; height: 20px; margin: 0; accent-color: var(--tang); cursor: pointer; }

.is-list .pick, .is-single .grip, .is-single .move { display: none; }

.is-single .doc-rows .row { cursor: pointer; }

.row.is-current .name { color: var(--tang-ink); }

.thumb {
  width: 56px;
  height: 56px;
  border: 1px solid var(--rule);
  border-radius: 6px;
  background: repeating-conic-gradient(var(--check-b) 0% 25%, var(--check-a) 0% 50%) 0 0 / 14px 14px;
}

.kind {
  display: grid;
  place-items: center;
  width: 56px;
  height: 56px;
  border: 1px solid var(--rule);
  border-radius: 6px;
  background: var(--sheet);
  color: var(--tang-ink);
}

.kind svg { width: 26px; height: 26px; }

.name {
  overflow: hidden;
  font-weight: 600;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.facts {
  color: var(--ink-soft);
  font-size: 14px;
  font-variant-numeric: tabular-nums;
}

.is-failed .facts { color: var(--bad); }

.tools { display: flex; align-items: center; gap: 2px; }

.icon, .remove {
  display: inline-grid;
  place-items: center;
  width: 40px;
  height: 40px;
  padding: 0;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--ink-soft);
  font-size: 16px;
  cursor: pointer;
}

.icon svg { width: 20px; height: 20px; }

.icon:hover, .remove:hover { background: var(--tang-wash); color: var(--ink); }

.icon:disabled { opacity: 0.35; cursor: default; background: transparent; }

.is-lifted { position: relative; z-index: 2; opacity: 0.75; outline: 2px dashed var(--tang); outline-offset: -2px; }

.is-sorting, .is-sorting * { cursor: grabbing; }

.sheet {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(164px, 1fr));
  gap: 14px;
  padding-top: 18px;
  list-style: none;
}

.tile {
  display: grid;
  gap: 8px;
  padding: 10px;
  border: 1px solid var(--rule);
  border-radius: var(--round);
  background: var(--sheet);
  cursor: grab;
  user-select: none;
  -webkit-user-select: none;
  -webkit-touch-callout: none;
}

.leaf {
  display: grid;
  place-items: center;
  aspect-ratio: 3 / 4;
  overflow: hidden;
  border-radius: 6px;
  background: var(--paper);
  container-type: inline-size;
}

.leaf canvas {
  max-width: 100%;
  max-height: 100%;
  background: #fff;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.28);
  transform: rotate(var(--turn, 0deg));
  transition: transform 0.2s, opacity 0.15s;
}

.folio {
  font-size: 13px;
  font-weight: 600;
  text-align: center;
  font-variant-numeric: tabular-nums;
}

.tile-tools { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 2px; }

.tile-tools .icon { width: 100%; height: 34px; }

.tile-tools .icon svg { width: 18px; height: 18px; }

.tile.is-gone { border-style: dashed; }

.tile.is-gone .leaf canvas { opacity: 0.25; }

.tile.is-gone .folio { color: var(--bad); }

.outputs { margin-top: 32px; }

.outputs-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--rule);
}

.outputs-head h2 { font-size: 20px; letter-spacing: -0.01em; }

.verdict { margin-top: 12px; font-weight: 600; }

.verdict.is-good { color: var(--good); }

.verdict.is-bad { color: var(--bad); }

.row.made { grid-template-columns: 56px minmax(0, 1fr) auto; }

.row .btn { min-height: 40px; padding: 0 14px; }

.prose {
  margin-top: 88px;
  padding: 56px 0 24px;
  border-top: 1px solid var(--rule);
}

.prose > * { max-width: 720px; }

.prose h2 {
  margin: 48px 0 12px;
  font-size: 26px;
  line-height: 1.2;
  letter-spacing: -0.015em;
}

.prose h2:first-child { margin-top: 0; }

.prose h3 { margin: 24px 0 4px; font-size: 17px; }

.prose p + p { margin-top: 12px; }

.prose ul { padding-left: 20px; }

.prose li { margin-top: 8px; }

.prose p, .prose li { color: var(--ink-soft); }

.prose strong { color: var(--ink); }

.colophon {
  margin-top: 40px;
  padding: 24px 0 48px;
  border-top: 1px solid var(--rule);
  color: var(--ink-soft);
  font-size: 14px;
}

@media (max-width: 900px) {
  .bench {
    grid-template-columns: minmax(0, 1fr);
    grid-template-areas: "intake" "panel" "results";
  }
  .panel { position: static; }
  .results-head { justify-content: flex-end; padding-bottom: 10px; }
  .dock {
    position: fixed;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 5;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 24px max(10px, env(safe-area-inset-bottom));
    border-top: 1px solid var(--rule-strong);
    background: var(--sheet);
  }
  .tally { flex: 1 1 0; min-width: 0; font-size: 14px; line-height: 1.35; }
  .tally progress { margin-top: 6px; }
  .has-items .colophon { padding-bottom: 120px; }
}

@media (max-width: 560px) {
  .wrap { padding: 0 16px; }
  .masthead { flex-direction: column; align-items: flex-start; gap: 6px; padding: 16px 0; }
  .intro { padding: 36px 0 24px; }
  .intro p { font-size: 17px; }
  .dropzone { padding: 32px 16px; }
  .panel { padding: 18px 16px; }
  .row { grid-template-columns: 24px 48px minmax(0, 1fr) auto; gap: 10px; }
  .row.made { grid-template-columns: 48px minmax(0, 1fr) auto; }
  .thumb, .kind { width: 48px; height: 48px; }
  .grip { width: 24px; }
  .icon, .remove { width: 36px; height: 36px; }
  .row .btn { width: 40px; padding: 0; }
  .row .btn span {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip-path: inset(50%);
  }
  .sheet { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
  .tile { padding: 6px; }
  .dock { gap: 10px; padding-right: 16px; padding-left: 16px; }
  .tally { font-size: 13px; }
  .dock .btn { padding: 0 14px; }
  .prose { margin-top: 56px; padding-top: 40px; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}
.tabs{display:flex;flex-wrap:wrap;gap:4px;padding:4px;border-radius:12px;background:var(--paper);border:1px solid var(--rule);width:max-content;max-width:100%}
.tabs button{min-height:36px;padding:0 14px;border:0;border-radius:9px;background:transparent;color:var(--ink-soft);font:600 14px var(--stack);cursor:pointer}
.tabs button[aria-selected="true"]{background:var(--tang);color:var(--on-tang)}
.pane{margin-top:20px}
.entry{display:grid;grid-template-columns:minmax(0,1fr) 150px;gap:10px;align-items:end}
.entry .f{display:grid;gap:6px;min-width:0}
.entry .f span{font-size:13px;font-weight:700;letter-spacing:.06em;text-transform:uppercase}
.num{width:100%;min-width:0;min-height:50px;padding:0 14px;border:1px solid var(--rule-strong);border-radius:12px;background:var(--paper);color:var(--ink);font:500 18px var(--mono)}
.num:focus{outline:3px solid var(--tang-ink);outline-offset:1px}
.num.bad{border-color:var(--bad)}
.entry select{min-height:50px}
.msg{min-height:20px;margin:8px 0 0;font-size:14px;color:var(--bad)}
.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 28px;margin-top:10px;border-top:1px solid var(--rule)}
.grid div{display:grid;grid-template-columns:minmax(0,150px) minmax(0,1fr);gap:12px;padding:10px 0;border-bottom:1px solid var(--rule);align-items:baseline}
.grid dt{font-size:14px;color:var(--ink-soft)}
.grid dd{margin:0;font:600 15px var(--mono);overflow-wrap:anywhere}
.note{margin-top:14px;padding:12px 14px;border-left:3px solid var(--tang);border-radius:0 8px 8px 0;background:var(--tang-wash);font-size:14.5px}
.sec{margin:34px 0 12px;font-size:21px;letter-spacing:-.01em}
.bin{margin:0;padding:12px 14px;border:1px solid var(--rule-strong);border-radius:var(--round);background:var(--sheet);font:13.5px/1.9 var(--mono);overflow-x:auto;white-space:pre}
.bin b{color:var(--tang-ink);font-weight:700}
.bin i{font-style:normal;color:var(--ink-soft)}
.line{display:flex;flex-wrap:wrap;gap:10px 16px;align-items:flex-end}
.line .f{display:grid;gap:6px}
.line .f span{font-size:13px;font-weight:600}
.line .text{width:130px}
.answer{font-size:15px;font-weight:600}
.tablewrap{margin-top:12px;max-height:440px;overflow:auto;border:1px solid var(--rule);border-radius:var(--round)}
table{width:100%;border-collapse:collapse;font:13.5px var(--mono)}
th,td{padding:8px 12px;text-align:left;white-space:nowrap;border-bottom:1px solid var(--rule)}
th{position:sticky;top:0;background:var(--sheet);font:700 12.5px var(--stack);letter-spacing:.04em;text-transform:uppercase}
.bar{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
@media (max-width:760px){.grid{grid-template-columns:minmax(0,1fr)}}
@media (max-width:480px){.entry{grid-template-columns:minmax(0,1fr)}.grid div{grid-template-columns:minmax(0,1fr)}.grid div{gap:2px}}