/* styles.css — every custom property is prefixed --hm- so nothing collides with a host page. */
:root {
  --hm-bg: #f5f7f9;
  --hm-panel: #ffffff;
  --hm-ink: #101418;
  --hm-dim: #5f6b78;
  --hm-line: #d3dae2;
  --hm-grid: #eef2f6;
  --hm-accent: #1f7a5a;
  --hm-warn: #a8430f;
  --hm-magnet-n: #c0392b;
  --hm-magnet-s: #2c6fb5;
  --hm-wire: #b7791f;
  --hm-flux: #7a8a9a;
  --hm-flux-neg: #4a5b6b;
  --hm-radius: 10px;
  --hm-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --hm-sans: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--hm-bg);
  color: var(--hm-ink);
  font: 15px/1.6 var(--hm-sans);
  -webkit-text-size-adjust: 100%;
}
main { max-width: 1120px; margin: 0 auto; padding: 0 18px 64px; }
h1, h2, h3 { line-height: 1.25; margin: 0 0 10px; }
h1 { font-size: 30px; letter-spacing: -0.015em; }
h2 { font-size: 21px; }
h3 { font-size: 16px; }
p { margin: 0 0 12px; }
code { font-family: var(--hm-mono); font-size: 0.92em; background: var(--hm-grid); padding: 1px 4px; border-radius: 4px; }
blockquote {
  margin: 0 0 14px; padding: 12px 16px; border-left: 4px solid var(--hm-warn);
  background: var(--hm-panel); border-radius: 0 var(--hm-radius) var(--hm-radius) 0;
  font-size: 17px;
}

.hm-head { background: var(--hm-panel); border-bottom: 1px solid var(--hm-line); padding: 26px 18px 22px; }
.hm-head-inner { max-width: 1120px; margin: 0 auto; }
.hm-sub { color: var(--hm-dim); max-width: 62ch; margin-bottom: 12px; }

.hm-help {
  max-width: 1120px; margin: 0 auto; padding: 20px 18px 26px;
  background: var(--hm-panel); border-bottom: 1px solid var(--hm-line);
}
.hm-help h2 { margin-top: 4px; }
.hm-help h3 { margin-top: 18px; }
.hm-muted { color: var(--hm-dim); font-size: 14px; }

.hm-claim, .hm-panel, .hm-bench {
  background: var(--hm-panel); border: 1px solid var(--hm-line);
  border-radius: var(--hm-radius); padding: 18px; margin: 20px 0;
}
.hm-claim p, .hm-panel > p { max-width: 74ch; }

.hm-grid { display: grid; grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr); gap: 16px; }
@media (max-width: 860px) { .hm-grid { grid-template-columns: 1fr; } }
.hm-fig { margin: 0; }
.hm-fig figcaption { color: var(--hm-dim); font-size: 13px; margin-bottom: 8px; max-width: 70ch; }
.hm-fig canvas {
  width: 100%; height: 380px; display: block;
  background: var(--hm-panel); border: 1px solid var(--hm-line); border-radius: 8px;
}
.hm-fig-wide { margin-top: 18px; }
.hm-fig-wide canvas { height: 300px; }

.hm-controls {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 14px 20px; margin-top: 18px; padding-top: 16px; border-top: 1px solid var(--hm-line);
}
.hm-control label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 4px; }
.hm-control input[type=range] { width: 100%; }
.hm-control select { width: 100%; padding: 5px 6px; font: inherit; font-size: 14px;
  border: 1px solid var(--hm-line); border-radius: 6px; background: var(--hm-panel); color: var(--hm-ink); }
.hm-val { font-family: var(--hm-mono); font-weight: 400; color: var(--hm-accent); }
.hm-hint { display: block; color: var(--hm-dim); font-size: 12px; margin-top: 4px; }
.hm-disabled { opacity: 0.45; }
.hm-buttons { display: flex; gap: 8px; align-items: flex-end; flex-wrap: wrap; }

.hm-btn {
  font: inherit; font-size: 14px; padding: 7px 14px; cursor: pointer;
  border: 1px solid var(--hm-line); border-radius: 7px;
  background: var(--hm-panel); color: var(--hm-ink);
}
.hm-btn:hover { border-color: var(--hm-accent); color: var(--hm-accent); }
.hm-btn:disabled { opacity: 0.5; cursor: default; }
.hm-btn-small { font-size: 13px; padding: 4px 10px; margin-top: 6px; }
.hm-btn-ghost { background: transparent; }

.hm-readouts { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 10px 18px; }
.hm-read { border-top: 1px solid var(--hm-grid); padding-top: 7px; }
.hm-read-label { display: block; font-size: 12px; color: var(--hm-dim); text-transform: uppercase; letter-spacing: 0.04em; }
.hm-read-value { display: block; font-family: var(--hm-mono); font-size: 17px; }
.hm-read-note { display: block; font-size: 12px; color: var(--hm-dim); }

.hm-regime { font-family: var(--hm-mono); font-size: 15px; padding: 2px 8px; border-radius: 6px; }
.hm-regime-fwd { background: #e5f3ee; color: var(--hm-accent); }
.hm-regime-rev { background: #e7eefa; color: var(--hm-magnet-s); }
.hm-regime-stall { background: #fbeee6; color: var(--hm-warn); }

.hm-scroll { overflow-x: auto; }
.hm-table { border-collapse: collapse; width: 100%; font-size: 13px; }
.hm-table th, .hm-table td { border: 1px solid var(--hm-line); padding: 5px 8px; text-align: left; vertical-align: top; }
.hm-table thead th { background: var(--hm-grid); font-size: 12px; }
.hm-table .hm-group { text-align: center; }
.hm-table .hm-sub th { font-weight: 500; font-size: 11px; color: var(--hm-dim); }
.hm-table .hm-num { font-family: var(--hm-mono); white-space: nowrap; }
.hm-table .hm-case { font-weight: 700; }
.hm-table .hm-src { text-align: center; color: var(--hm-dim); font-family: var(--hm-mono); }
.hm-table .hm-quoted { font-style: italic; }
.hm-table tr.hm-live td { background: #f2f9f6; }
.hm-table .hm-ok { color: var(--hm-accent); font-weight: 600; }
.hm-table .hm-bad { color: var(--hm-warn); font-weight: 600; }
.hm-blurb { display: block; color: var(--hm-dim); font-size: 12px; margin-top: 2px; }

.hm-findings > h2 { margin-bottom: 14px; }
.hm-finding { border-top: 1px solid var(--hm-line); padding-top: 14px; margin-top: 14px; }
.hm-finding:first-child { border-top: 0; padding-top: 0; margin-top: 0; }
.hm-finding-head { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; }
.hm-finding-head h3 { margin: 0 0 6px; }
.hm-finding p { max-width: 78ch; }
.hm-tag {
  font-family: var(--hm-mono); font-size: 10px; letter-spacing: 0.06em;
  padding: 2px 6px; border-radius: 4px; background: var(--hm-grid); color: var(--hm-dim);
  white-space: nowrap; text-transform: uppercase;
}
.hm-tag-measured { background: #e5f3ee; color: var(--hm-accent); }
.hm-tag-documented { background: #e7eefa; color: var(--hm-magnet-s); }
.hm-tag-derived { background: #fbeee6; color: var(--hm-warn); }
.hm-tag-read { background: #e5f3ee; color: var(--hm-accent); }
.hm-tag-unread { background: #fbeee6; color: var(--hm-warn); }

.hm-sources { list-style: none; margin: 0; padding: 0; }
.hm-sources li { border-top: 1px solid var(--hm-grid); padding: 9px 0; }
.hm-cite { display: block; margin-top: 3px; }
.hm-note { display: block; color: var(--hm-dim); font-size: 13px; margin-top: 2px; }

.hm-foot { border-top: 1px solid var(--hm-line); margin-top: 28px; padding-top: 16px; font-size: 14px; }

@media (prefers-color-scheme: dark) {
  :root {
    --hm-bg: #10141a;
    --hm-panel: #171d25;
    --hm-ink: #e6ecf3;
    --hm-dim: #97a3b2;
    --hm-line: #2a333e;
    --hm-grid: #1f2731;
    --hm-accent: #4fc79c;
    --hm-warn: #e8945c;
    --hm-magnet-n: #d95f52;
    --hm-magnet-s: #5a9ad6;
    --hm-wire: #d9a441;
    --hm-flux: #7f8f9f;
  }
  .hm-regime-fwd { background: #16302a; }
  .hm-regime-rev { background: #182533; }
  .hm-regime-stall { background: #322219; }
  .hm-table tr.hm-live td { background: #16211d; }
  .hm-tag-measured { background: #16302a; }
  .hm-tag-documented { background: #182533; }
  .hm-tag-derived { background: #322219; }
  .hm-tag-read { background: #16302a; }
  .hm-tag-unread { background: #322219; }
}