:root {
  --bg: #f7efe2; --card: #fffaf2; --ink: #2b1d14; --muted: #6d5a49; --line: #e6d5bc; --field: #fffdf8;
  --lacquer: #a8291f; --lacquer-ink: #fff8ee; --gold: #c99a2e; --leaf: #2f6b46; --navy: #24486b;
  --snaps: #b3261e; --bends: #9a6212; --holds: #2f7d4a; --tag-ink: #ffffff;
  --warn: #9b2c1f; --warn-bg: #f8e2d9; --info-bg: #f1e8d6; --ok-bg: #e2efe3;
  --shadow: 0 1px 0 rgba(90, 40, 10, 0.05), 0 8px 22px rgba(90, 40, 10, 0.07);
}
html[data-theme="dark"] {
  --bg: #19141b; --card: #241d26; --ink: #f2e7d8; --muted: #bba995; --line: #3d3240; --field: #1d171f;
  --lacquer: #f08a7c; --lacquer-ink: #22100c; --gold: #e3b95a; --leaf: #8fd0a4; --navy: #9cc3ea;
  --snaps: #ff9a8c; --bends: #f0b45e; --holds: #8fd6a2; --tag-ink: #1b1214;
  --warn: #ffab9d; --warn-bg: #3b2020; --info-bg: #2c2430; --ok-bg: #1f2e23;
  --shadow: none;
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body { background: var(--bg); color: var(--ink); font: 16px/1.55 "Gill Sans", "Trebuchet MS", "Segoe UI", Helvetica, Arial, sans-serif; }
a { color: var(--lacquer); }
h1, h2, h3, h4, .brand strong, .headline { font-family: "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif; }
.hidden { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.small { font-size: 0.88rem; } .muted { color: var(--muted); }

.top { display: flex; align-items: center; gap: 12px; padding: 10px 18px; background: var(--card); position: sticky; top: 0; z-index: 5; flex-wrap: wrap;
  border-bottom: 4px solid var(--lacquer); box-shadow: 0 2px 0 var(--gold); }
.back { text-decoration: none; color: var(--muted); font-size: 0.9rem; }
.brand { display: flex; align-items: center; gap: 8px; font-size: 1.2rem; letter-spacing: 0.01em; }
.logo { width: 26px; height: 26px; }
.lg-b { fill: var(--lacquer); } .lg-f { fill: #f8e8d2; } .lg-a { fill: #fff7e8; stroke: var(--gold); stroke-width: 0.8; }
.session { margin-left: auto; display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }
.chip-s { font-size: 0.85rem; color: var(--muted); border: 1px solid var(--line); border-radius: 999px; padding: 4px 10px; }

.btn { font: inherit; font-size: 0.9rem; border: 1.5px solid var(--lacquer); color: var(--lacquer); background: transparent; border-radius: 999px; padding: 6px 14px; cursor: pointer; text-decoration: none; display: inline-block; line-height: 1.3; }
.btn:hover { background: var(--info-bg); }
.btn.solid { background: var(--lacquer); color: var(--lacquer-ink); }
.btn.solid:hover { filter: brightness(1.08); background: var(--lacquer); }
.btn.big { font-size: 1.05rem; padding: 10px 22px; }
.btn.tiny { font-size: 0.8rem; padding: 4px 10px; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

main { max-width: 1060px; margin: 0 auto; padding: 18px 16px 30px; }
.hero { padding: 16px 0 6px; }
.eyebrow { margin: 0; text-transform: uppercase; letter-spacing: 0.16em; font-size: 0.78rem; color: var(--gold); font-weight: 700; }
h1 { font-size: 2.6rem; margin: 4px 0 8px; line-height: 1.08; color: var(--lacquer); }
h1 .sub { display: block; font-size: 1.12rem; font-weight: 400; font-style: italic; color: var(--muted); margin-top: 6px; }
.lede { max-width: 740px; }
.samples { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin: 10px 0 4px; }
.sample { font: inherit; font-size: 0.86rem; border: 1.5px solid var(--gold); background: var(--card); color: var(--ink); border-radius: 999px; padding: 5px 13px; cursor: pointer; }
.sample:hover { background: var(--info-bg); }
.sample.on { background: var(--gold); color: #24180a; }

.card { background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 16px 18px; margin: 18px 0; box-shadow: var(--shadow); }
.ch { margin: 0 0 10px; font-size: 1.32rem; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.no { display: inline-grid; place-items: center; width: 30px; height: 30px; border-radius: 50% 50% 46% 46%; background: var(--lacquer); color: var(--lacquer-ink); font-size: 0.95rem; }
.free, .paid { font-family: inherit; font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.08em; border-radius: 999px; padding: 2px 9px; font-weight: 700; }
.free { background: var(--ok-bg); color: var(--holds); } .paid { background: var(--warn-bg); color: var(--warn); }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.fld { margin: 8px 0; }
.lab { display: block; font-size: 0.86rem; font-weight: 700; margin: 0 0 3px; }
.inp { width: 100%; font: inherit; color: var(--ink); background: var(--field); border: 1px solid var(--line); border-radius: 8px; padding: 7px 10px; }
textarea.inp { resize: vertical; min-height: 54px; }
.inp:focus { outline: 2px solid var(--gold); outline-offset: 1px; }
select.inp { padding: 6px 6px; }
.figs { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.fig { border: 1px dashed var(--line); border-radius: 12px; padding: 8px 10px; background: var(--bg); }
.fig .lab { font-weight: 600; color: var(--muted); }
.pair { display: flex; gap: 6px; align-items: center; }
.pair .num { width: 6.5em; flex: 0 0 auto; text-align: right; }
.pair .inp:not(.num) { flex: 1; min-width: 0; }
.unit-s { color: var(--muted); }
.fig .go { margin-top: 6px; font-size: 0.86rem; }
.actions { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin: 10px 0 4px; }
.note { background: var(--info-bg); border-left: 4px solid var(--gold); padding: 8px 10px; border-radius: 6px; font-size: 0.9rem; }

.drawing { width: 100%; border-radius: 12px; overflow: hidden; border: 1px solid var(--line); }
.drawing svg { width: 100%; height: auto; display: block; }
.tablewrap { overflow-x: auto; margin-top: 10px; }
table.xt { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
table.xt th, table.xt td { text-align: left; padding: 6px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
table.xt td.none { color: var(--muted); font-style: italic; }
.stag { display: inline-block; font-size: 0.76rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; border-radius: 999px; padding: 1px 9px; color: var(--tag-ink); white-space: nowrap; }
.stag.s-snaps { background: var(--snaps); } .stag.s-bends { background: var(--bends); } .stag.s-holds { background: var(--holds); }
.stag.s-none { background: transparent; color: var(--muted); border: 1px solid var(--line); }

.progress { border: 1.5px dashed var(--gold); border-radius: 12px; padding: 10px 12px; margin: 10px 0; }
.steps { list-style: none; padding: 0; margin: 6px 0; }
.step { color: var(--muted); } .step.done { color: var(--holds); } .step.active { color: var(--ink); font-weight: 700; }
.step-ic { display: inline-block; width: 1em; font-family: monospace; }
.raw { white-space: pre-wrap; background: var(--bg); padding: 10px; border-radius: 8px; font-size: 0.82rem; max-height: 320px; overflow: auto; }

.result { margin-top: 12px; border-top: 3px double var(--gold); padding-top: 10px; }
.result.empty .rcards, .result.empty #rReconH, .result.empty .recon { display: none; }
.rhead { display: flex; justify-content: space-between; gap: 10px; align-items: center; flex-wrap: wrap; }
.badge { font-size: 0.76rem; letter-spacing: 0.08em; border: 1px solid var(--line); border-radius: 999px; padding: 2px 10px; color: var(--muted); font-weight: 700; }
.badge.v-sturdy { border-color: var(--holds); color: var(--holds); } .badge.v-cracks { border-color: var(--bends); color: var(--bends); }
.badge.v-made-to-measure { border-color: var(--snaps); color: var(--snaps); }
.headline { font-size: 1.24rem; margin: 10px 0; }
.rcards { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.rcard { border: 1px solid var(--line); border-left: 6px solid var(--line); border-radius: 12px; padding: 10px 12px; background: var(--bg); }
.rcard.s-snaps { border-left-color: var(--snaps); } .rcard.s-bends { border-left-color: var(--bends); } .rcard.s-holds { border-left-color: var(--holds); }
.rcard h4 { margin: 0 0 6px; font-size: 1.04rem; display: flex; gap: 8px; align-items: baseline; flex-wrap: wrap; }
.rcard .to { font-family: inherit; font-size: 0.85rem; color: var(--muted); font-weight: 400; }
.rcard dl { margin: 0; font-size: 0.9rem; }
.rcard dt { font-weight: 700; font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.07em; color: var(--muted); margin-top: 6px; }
.rcard dd { margin: 1px 0 0; }
.rcard .copy1 { margin-top: 8px; }
.core { margin: 14px 0 6px; padding: 10px 14px; border-radius: 12px; background: var(--info-bg); }
.core p { margin: 4px 0; } .core b { color: var(--lacquer); margin-right: 4px; }
.recon { padding-left: 18px; font-size: 0.9rem; }
.recon li.bad { color: var(--warn); font-weight: 700; } .recon li.warn { color: var(--warn); } .recon li.none { color: var(--muted); list-style: none; margin-left: -18px; }
.saved { list-style: none; padding: 0; margin: 8px 0; }
.hrow { display: flex; gap: 10px; justify-content: space-between; align-items: center; border-bottom: 1px solid var(--line); padding: 8px 0; }
.hrow.none { color: var(--muted); font-style: italic; }
.hinfo { display: flex; flex-direction: column; min-width: 0; } .hinfo b { overflow-wrap: anywhere; }
.hbtns { display: flex; gap: 6px; flex-shrink: 0; }
.about p { max-width: 840px; }
.foot { max-width: 1060px; margin: 0 auto; padding: 8px 16px 40px; font-size: 0.85rem; color: var(--muted); }
.toasts { position: fixed; right: 14px; bottom: 14px; display: flex; flex-direction: column; gap: 8px; z-index: 20; max-width: min(380px, calc(100vw - 28px)); }
.toast { background: var(--card); border: 1px solid var(--line); border-left: 4px solid var(--holds); border-radius: 8px; padding: 8px 12px; font-size: 0.9rem; box-shadow: 0 4px 14px rgba(0, 0, 0, 0.15); transition: opacity 0.5s; }
.toast.err { border-left-color: var(--warn); } .toast.gone { opacity: 0; }

@media (max-width: 760px) {
  .grid2 { grid-template-columns: 1fr; gap: 0; }
  .figs { grid-template-columns: 1fr; gap: 8px; }
  .rcards { grid-template-columns: 1fr; }
  h1 { font-size: 2.1rem; }
}
@media (max-width: 420px) {
  .top { padding: 8px 12px; gap: 8px; }
  .back-t { display: none; }
  .brand { font-size: 1.02rem; }
  .btn { padding: 5px 10px; }
  .card { padding: 12px 12px; }
  table.xt { font-size: 0.84rem; }
  table.xt th:nth-child(2), table.xt td:nth-child(2) { display: none; }
}
@media print {
  .top, .samples, .actions, .exports, #runBtn, .toasts, .foot, .hero .lede { display: none !important; }
  .card { box-shadow: none; break-inside: avoid; }
}
/* Docs pages (api.html, tokens.html) */
.bar { display: flex; align-items: center; gap: 12px; padding: 10px 18px; background: var(--card); position: sticky; top: 0; z-index: 5; flex-wrap: wrap; border-bottom: 4px solid var(--lacquer); box-shadow: 0 2px 0 var(--gold); }
.pill { font: inherit; font-size: 0.9rem; border: 1.5px solid var(--lacquer); color: var(--lacquer); background: transparent; border-radius: 999px; padding: 6px 14px; cursor: pointer; text-decoration: none; display: inline-block; line-height: 1.3; }
.pill:hover { background: var(--info-bg); }
.pill.solid { background: var(--lacquer); color: var(--lacquer-ink); }
.pill.tiny { font-size: 0.8rem; padding: 4px 10px; }