:root{
  --bg:#11141a; --panel:#171b23; --line:#262d3a; --ink:#e7ebf3; --dim:#93a0b5;
  --accent:#5aa9ff; --sel:#ffb638; --saved:#48d17a; --warn:#ff7a7a;
  --trace:#cdd7e6;
}
*{box-sizing:border-box}
body{margin:0;padding:0 20px 60px;background:var(--bg);color:var(--ink);
  font:14px/1.5 ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif}
h1{font-size:18px;margin:0}
h2{font-size:14px;text-transform:uppercase;letter-spacing:.06em;color:var(--dim);margin:0 0 10px}
header{display:flex;align-items:center;gap:24px;flex-wrap:wrap;padding:16px 0 12px;
  border-bottom:1px solid var(--line)}
.who{display:flex;align-items:center;gap:10px}
nav{display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding:12px 0}
.spacer{flex:1}
button{background:var(--accent);color:#08111d;border:0;border-radius:6px;padding:7px 13px;
  font:inherit;font-weight:600;cursor:pointer}
button:disabled{opacity:.35;cursor:default}
button.ghost{background:transparent;color:var(--ink);border:1px solid var(--line);font-weight:400}
button.danger{background:transparent;color:var(--warn);border:1px solid var(--line);
  font-weight:400;padding:3px 9px}
input,select{background:var(--panel);color:var(--ink);border:1px solid var(--line);
  border-radius:6px;padding:6px 9px;font:inherit}
label{display:inline-flex;align-items:center;gap:7px;color:var(--dim)}
.chk{cursor:pointer}
.muted{color:var(--dim)}
.warn{color:var(--warn)}
.hidden{display:none}
kbd{background:var(--panel);border:1px solid var(--line);border-radius:4px;padding:0 5px;
  font:12px ui-monospace,monospace}
code{font:12px ui-monospace,monospace;color:var(--accent)}
details{border:1px solid var(--line);border-radius:8px;padding:10px 14px;margin:0 0 14px;
  background:var(--panel)}
summary{cursor:pointer;color:var(--dim);font-weight:600}
details ol{margin:10px 0;padding-left:22px}
details li{margin:4px 0}
main{margin:6px 0 18px}
.panel{position:relative;border:1px solid var(--line);border-radius:8px;background:var(--panel);
  margin-bottom:6px;overflow:hidden}
.panel canvas{display:block;width:100%;cursor:crosshair}
/* left offset must clear the y-axis label gutter (Render.PAD.l = 58px) or the tick
   labels collide with the title, e.g. "ddsi500 hardness" */
.panel .tag{position:absolute;top:6px;left:66px;font:12px ui-monospace,monospace;
  color:var(--dim);pointer-events:none;background:rgba(23,27,35,.82);
  padding:1px 6px;border-radius:4px}
.panel .val{position:absolute;top:6px;right:14px;font:12px ui-monospace,monospace;
  color:var(--accent);pointer-events:none;background:rgba(23,27,35,.82);
  padding:1px 6px;border-radius:4px}
.panel.grabbing canvas{cursor:grabbing}
#axis{height:22px;position:relative}
#axis canvas{display:block;width:100%}
.card{border:1px solid var(--line);border-radius:8px;background:var(--panel);
  padding:14px 16px;margin:0 0 14px}
.row{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:10px}
#selInfo{font:13px ui-monospace,monospace}
#selInfo b{color:var(--sel)}
table{width:100%;border-collapse:collapse;font:13px ui-monospace,monospace}
th{text-align:left;font:11px/1 ui-sans-serif,system-ui;text-transform:uppercase;
  letter-spacing:.06em;color:var(--dim);padding:0 8px 8px;font-weight:600}
td{padding:5px 8px;border-top:1px solid var(--line)}
tr.editing td{background:#1e2430}
footer{position:fixed;bottom:0;left:0;right:0;padding:8px 20px;background:var(--bg);
  border-top:1px solid var(--line);font-size:12px;line-height:1.4}
footer .warn{color:#ffcf7a}

.guideref{color:#9a8cff;font-weight:600}

#stale{display:inline-block;margin-left:14px;color:#08111d;background:#ffcf7a;
  padding:1px 10px;border-radius:11px;font-weight:600;cursor:pointer}
#stale.hidden{display:none}