:root {
  --bg: #f6f7f9;
  --card: #ffffff;
  --text: #1c1f24;
  --muted: #5f6873;
  --line: #dde1e6;
  --accent: #2f7d4f;
  --accent-text: #ffffff;
  --error: #b3261e;
  --map-bg: #18181c;
  --radius: 10px;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #121417;
    --card: #1b1e23;
    --text: #e6e8eb;
    --muted: #9aa3ad;
    --line: #2d323a;
    --accent: #4caf73;
    --accent-text: #0c1a12;
    --error: #ff8a80;
  }
}
:root[data-theme="dark"] {
  --bg: #121417; --card: #1b1e23; --text: #e6e8eb; --muted: #9aa3ad;
  --line: #2d323a; --accent: #4caf73; --accent-text: #0c1a12; --error: #ff8a80;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
main { max-width: 1180px; margin: 0 auto; padding: 16px; }
h1 { font-size: 1.6rem; margin: 8px 0 12px; }
h2 { font-size: 1.15rem; margin: 0 0 8px; }
code, kbd { font-size: .9em; background: var(--bg); border: 1px solid var(--line); border-radius: 4px; padding: 0 4px; }
.lead { font-size: 1.1rem; color: var(--muted); max-width: 60ch; }
.small { font-size: .875rem; }
.muted { color: var(--muted); }
.error { color: var(--error); }
.center { text-align: center; }

.top {
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 8px;
  padding: 12px 16px; border-bottom: 1px solid var(--line); background: var(--card);
}
.brand { font-weight: 700; font-size: 1.1rem; }
.steps { display: flex; gap: 14px; flex-wrap: wrap; font-size: .9rem; color: var(--muted); }
.steps .on { color: var(--text); font-weight: 600; }
.foot { text-align: center; padding: 24px 16px; }

.card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 16px; margin: 12px 0;
}
details.card summary { cursor: pointer; font-weight: 600; }
.row { display: flex; gap: 8px; align-items: center; }
.row.wrap { flex-wrap: wrap; }
.row.between { justify-content: space-between; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 14px; margin: 12px 0; }
.grid2 .span2 { grid-column: span 2; }
@media (max-width: 640px) { .grid2 { grid-template-columns: 1fr; } .grid2 .span2 { grid-column: auto; } }

label { display: flex; flex-direction: column; gap: 4px; font-size: .92rem; }
label.check { flex-direction: row; align-items: center; gap: 8px; margin: 8px 0; }
input, select, textarea {
  font: inherit; color: var(--text); background: var(--bg);
  border: 1px solid var(--line); border-radius: 6px; padding: 7px 9px; min-width: 0;
}
input[type="range"] { padding: 0; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  font: inherit; font-weight: 600; cursor: pointer; color: var(--text); background: var(--card);
  border: 1px solid var(--line); border-radius: 8px; padding: 8px 14px; flex-direction: row;
}
.btn:hover { border-color: var(--muted); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-text); }
.btn:disabled { opacity: .5; cursor: default; }
.btn.small { padding: 4px 10px; font-size: .9rem; }
.btn.wide { width: 100%; margin-top: 10px; }
.btn[aria-pressed="true"] { background: var(--accent); color: var(--accent-text); }

.dims { border: 0; padding: 0; margin: 12px 0 0; display: flex; gap: 16px; flex-wrap: wrap; }
.dims legend { font-size: .92rem; color: var(--muted); margin-bottom: 4px; }
.dims label { flex-direction: row; gap: 6px; }

.progress { margin-top: 14px; }
.bar { height: 10px; background: var(--bg); border: 1px solid var(--line); border-radius: 6px; overflow: hidden; }
.bar > div { height: 100%; width: 0; background: var(--accent); transition: width .2s; }
.progress-text { font-size: .9rem; color: var(--muted); margin-top: 4px; }

.map-wrap { position: relative; height: min(62vh, 620px); border-radius: var(--radius); overflow: hidden;
  background: var(--map-bg); border: 1px solid var(--line); touch-action: none; }
#map { width: 100%; height: 100%; display: block; cursor: grab; }
.map-tools { position: absolute; top: 10px; right: 10px; display: flex; gap: 6px; flex-wrap: wrap; }
.map-coords { position: absolute; left: 10px; bottom: 8px; font: 12px/1.4 ui-monospace, monospace;
  color: #e8e8e8; background: rgba(0,0,0,.55); padding: 2px 8px; border-radius: 4px; }
.coords { display: grid; grid-template-columns: repeat(6, 1fr); gap: 8px; margin-bottom: 12px; }
@media (max-width: 720px) { .coords { grid-template-columns: repeat(2, 1fr); } }

.split { display: grid; grid-template-columns: 320px 1fr; gap: 16px; }
@media (max-width: 860px) { .split { grid-template-columns: 1fr; } }
.split .card { margin: 0; }
.options { display: flex; flex-direction: column; gap: 12px; }
.viewer { position: relative; height: 440px; border-radius: 8px; background: var(--bg); overflow: hidden; }
.viewer canvas { display: block; width: 100%; height: 100%; }
.viewer .placeholder { position: absolute; inset: 0; display: grid; place-items: center; text-align: center; padding: 16px; }
#build-status { margin-top: 10px; }
.swatches { display: flex; flex-wrap: wrap; gap: 6px; margin: 12px 0; }
.swatch { display: inline-flex; align-items: center; gap: 6px; font-size: .82rem; border: 1px solid var(--line);
  border-radius: 999px; padding: 2px 10px 2px 3px; }
.swatch i { width: 16px; height: 16px; border-radius: 50%; border: 1px solid rgba(0,0,0,.25); display: inline-block; }
.facts { display: grid; grid-template-columns: auto 1fr; gap: 4px 14px; margin: 8px 0; }
.facts dt { color: var(--muted); }
.facts dd { margin: 0; }
.price { font-size: 1.3rem; font-weight: 700; }
.badge { display: inline-block; font-size: .75rem; font-weight: 600; padding: 1px 8px; border-radius: 999px;
  background: #f4d35e; color: #3a2f00; vertical-align: middle; }
.spinner { display: inline-block; width: 14px; height: 14px; border: 2px solid var(--line);
  border-top-color: var(--accent); border-radius: 50%; animation: spin 1s linear infinite; vertical-align: -2px; }
@keyframes spin { to { transform: rotate(360deg); } }

/* admin */
table { width: 100%; border-collapse: collapse; font-size: .92rem; }
th, td { text-align: left; padding: 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
tr.sel { background: var(--bg); }
.admin-detail img { max-width: 100%; border-radius: 8px; background: var(--bg); }
.kv { display: grid; grid-template-columns: max-content 1fr; gap: 2px 12px; }
.table-wrap { overflow-x: auto; }

/* accounts, getting the model */
.account { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.get-model { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 8px; }
.get-model p { margin: 4px 0 0; }
@media (max-width: 520px) { .get-model { grid-template-columns: 1fr; } }
.signin { margin-top: 12px; padding: 12px; border: 1px solid var(--line); border-radius: 8px; }
.signin input { flex: 1; min-width: 200px; }
.narrow { max-width: 460px; margin: 40px auto; }
.prose { max-width: 760px; }
.prose h2 { margin-top: 24px; }
.prose li { margin: 4px 0; }
a { color: var(--accent); }
a.brand { color: var(--text); text-decoration: none; }

/* shop: parts and colors */
.drop { border: 2px dashed var(--line); border-radius: var(--radius); padding: 28px 16px; text-align: center; }
.drop.over { border-color: var(--accent); background: var(--bg); }
.parts { display: flex; flex-direction: column; gap: 8px; max-height: 320px; overflow-y: auto; }
.part-row { display: grid; grid-template-columns: 18px 1fr minmax(0, 1.4fr); gap: 8px; align-items: center; font-size: .9rem; }
.part-row i { width: 16px; height: 16px; border-radius: 50%; border: 1px solid rgba(0,0,0,.25); display: inline-block; }
.part-row span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.warn { background: #fff4d6; color: #5a4300; border-radius: 8px; padding: 8px 10px; font-size: .9rem; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .warn { background: #3a3010; color: #f4dc9a; } }
:root[data-theme="dark"] .warn { background: #3a3010; color: #f4dc9a; }
.scale-row { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }

.cuts { border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; margin: 0; }
.cuts legend { font-size: .92rem; padding: 0 4px; }
.cuts p { margin: 0 0 6px; }
.cuts input { flex: 1; }
.cuts { min-width: 0; }                 /* fieldsets default to min-content width and overflow */
.cuts .row input { width: 100%; }
.cuts select { width: 100%; min-width: 0; }
.cuts label { margin-top: 8px; }

/* sample worlds on the upload page */
.sample-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 10px; }
.btn.sample { display: flex; flex-direction: column; align-items: flex-start; gap: 4px; text-align: left;
  white-space: normal; height: auto; padding: 12px 14px; }