[hidden] { display: none !important; }
:root {
  --bg: #15181c; --panel: #1e2228; --panel2: #262b33; --line: #343a44;
  --text: #e6e9ee; --muted: #9aa3b0; --accent: #2bb3a3; --accent2: #1f8f83; --danger: #d9534f;
}
* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
body { font: 14px/1.4 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--text); background: var(--bg); display: flex; flex-direction: column; }
header { display: flex; align-items: center; gap: 16px; padding: 8px 14px; background: var(--panel); border-bottom: 1px solid var(--line); }
.brand { font-weight: 700; letter-spacing: 0.3px; }
.status { flex: 1; color: var(--muted); font-size: 13px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.status.error { color: #ff7b72; }
.status.busy { color: #f0c674; }
.views button { margin-left: 4px; }
main { flex: 1; display: flex; min-height: 0; }
#sidebar { width: 340px; overflow-y: auto; background: var(--panel); border-right: 1px solid var(--line); padding: 6px 10px 30px; }
#viewport { flex: 1; position: relative; min-width: 0; }
#viewport canvas { display: block; }
details { border-bottom: 1px solid var(--line); padding: 6px 0 10px; }
summary { cursor: pointer; font-weight: 600; padding: 6px 0; color: var(--text); }
label { display: block; font-size: 12px; color: var(--muted); margin: 6px 0; }
label input[type=text], label input[type=file], label select { display: block; width: 100%; margin-top: 3px; }
input, select, button, .button { font: inherit; color: var(--text); background: var(--panel2); border: 1px solid var(--line); border-radius: 6px; padding: 5px 8px; }
button, .button { cursor: pointer; text-decoration: none; display: inline-block; }
button:hover, .button:hover { border-color: var(--accent); }
button:disabled, .button.disabled { opacity: 0.45; cursor: not-allowed; pointer-events: none; }
button.primary { background: var(--accent); border-color: var(--accent); color: #06201d; font-weight: 600; }
button.primary:hover { background: #35c9b7; }
button.danger { color: #ffb3b0; }
button.active { outline: 2px solid var(--accent); }
.row { display: flex; gap: 8px; align-items: end; margin: 6px 0; }
.row > label { flex: 1; }
.row.wrap { flex-wrap: wrap; align-items: center; }
.check { display: flex; align-items: center; gap: 6px; margin: 0; }
.hint { color: var(--muted); font-size: 12px; margin: 4px 0; }
.info { font-size: 12px; color: var(--muted); background: var(--panel2); border-radius: 6px; padding: 8px; white-space: pre-line; }
#landmark-tools button i { display: inline-block; width: 10px; height: 10px; border-radius: 50%; margin-right: 6px; vertical-align: -1px; }
.param-group { margin: 0; padding: 2px 0 6px; }
.param-group > summary { font-size: 12px; text-transform: uppercase; letter-spacing: 0.5px; color: var(--muted); padding: 6px 0; }
.param-group[open] > summary { color: var(--text); }
.param { display: grid; grid-template-columns: 1fr 64px; gap: 6px 8px; align-items: center; margin: 3px 0; }
.param .lbl { grid-column: 1 / span 2; font-size: 12px; color: var(--text); display: flex; justify-content: space-between; }
.param .lbl span { color: var(--muted); }
.param input[type=range] { width: 100%; padding: 0; margin: 0; }
.param input[type=number] { width: 64px; padding: 3px 5px; text-align: right; }
.param select { grid-column: 1 / span 2; }
.param.bool { grid-template-columns: auto 1fr; }
.param.bool .lbl { grid-column: 2; }
.legend { position: absolute; left: 12px; bottom: 12px; background: rgba(20,24,28,0.8); border: 1px solid var(--line); border-radius: 6px; padding: 6px 10px; font-size: 12px; color: var(--muted); }

/* ---- pair workflow ---- */
.seg { display: inline-flex; border: 1px solid var(--line); border-radius: 6px; overflow: hidden; }
.seg button { border: 0; border-radius: 0; padding: 5px 10px; }
.seg button + button { border-left: 1px solid var(--line); }
.seg button.active { background: var(--accent); color: #06201d; font-weight: 600; }
.foot-info { margin: 6px 0; border-left: 3px solid var(--line); }
.foot-info.active { border-left-color: var(--accent); }
.foot-info .warn { color: #ffb86b; display: block; }
.tag { display: inline-block; font-size: 11px; text-transform: uppercase; letter-spacing: 0.5px; color: var(--muted); padding: 4px 6px; border: 1px solid var(--line); border-radius: 6px; }
.param.overridden .lbl { color: #f0c674; }
.param .lbl .ovr { font-size: 10px; color: #f0c674; border: 1px solid #f0c674; border-radius: 4px; padding: 0 4px; margin-left: 6px; cursor: pointer; }
.param .lbl .ovr.l, .param .lbl .ovr.r { color: var(--muted); border-color: var(--line); cursor: default; }
#exports-left, #exports-right { align-items: center; }
#sidebar input[type=file] { font-size: 11px; }

/* ---- per-foot measurement tables ---- */
.measurements table { width: 100%; border-collapse: collapse; margin-top: 4px; font-size: 12px; }
.measurements td { padding: 2px 4px; border-bottom: 1px solid var(--line); color: var(--muted); }
.measurements td:last-child { text-align: right; color: var(--text); white-space: nowrap; }

.height-legend { position: absolute; top: 10px; right: 12px; background: rgba(20, 23, 28, 0.82); border: 1px solid var(--line);
  border-radius: 6px; padding: 6px 8px; font-size: 11px; color: var(--muted); width: 170px; }
.height-legend .bar { height: 8px; border-radius: 3px; margin: 3px 0 1px; }
.height-legend .ends { display: flex; justify-content: space-between; margin-bottom: 4px; }

#foot-select button.empty { opacity: 0.55; }

.height-legend.final { position: static; margin: 0 0 6px; }
.measurements.summary { white-space: normal; }
.measurements.summary td:first-child { white-space: nowrap; vertical-align: top; width: 1%; padding-right: 8px; }
.measurements.summary td:last-child { white-space: normal; text-align: left; }