/* /frequency page styles — tokens only; layout comes from the shared sheets.
   The ember token block (and the origin chrome) live in assets/energy.css.
   Button-fill contrast re-checked here (validate_palette.js's contrast()):
   accent-ink on white/dark-card = 6.19:1 / 6.65:1 (raw --accent would be a
   tight 4.57:1 / 4.73:1 at this weight, so the button uses --accent-ink). */
/* the ember token block lives once, in assets/energy.css (linked before this) */

/* controls (left) + hero (right); stacks on narrow screens */
.board{display:grid;grid-template-columns:360px minmax(0,1fr);gap:24px;
  align-items:start;margin:28px auto 0}
@media (max-width:900px){.board{grid-template-columns:minmax(0,1fr);margin-top:20px}}

.card{background:var(--card);border:1px solid var(--border);border-radius:0;
  box-shadow:var(--shadow);padding:22px}

.chips{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-bottom:16px}
.chip.on{border-color:var(--accent);color:var(--accent-ink)}

.ctl-head{font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;
  color:var(--muted);margin:0 0 12px}
.ctl-group + .ctl-group{border-top:1px solid var(--border);padding-top:18px;margin-top:18px}
.ctl-note{font-size:12px;color:var(--muted);margin:10px 0 0}
.ctl-note output{font-variant-numeric:tabular-nums}
.effline{font-size:13px;color:var(--muted);margin-bottom:10px}
.effline #effinertia{color:var(--ink);font-variant-numeric:tabular-nums}
.controls{display:flex;flex-direction:column;gap:18px}
.ctl label{display:flex;justify-content:space-between;align-items:baseline;
  font-size:11px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;
  color:var(--muted);margin-bottom:8px}
.ctl output{font-family:ui-monospace,"SF Mono",Menlo,Consolas,monospace;
  font-variant-numeric:tabular-nums;font-size:14px;font-weight:600;color:var(--ink);
  text-transform:none;letter-spacing:0}
input[type=range]{width:100%;accent-color:var(--accent);
  -webkit-appearance:none;appearance:none;height:6px;border-radius:0;background:var(--track)}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;
  width:22px;height:22px;border-radius:50%;background:var(--accent);
  border:2px solid var(--card);box-shadow:var(--shadow)}
input[type=range]::-moz-range-thumb{width:20px;height:20px;border-radius:50%;
  background:var(--accent);border:2px solid var(--card)}
input[type=range]:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

/* the primary CTA — large and unmissable; ink-variant ember for the fill so
   the card-coloured label clears WCAG AA (see header note) */
.trip-btn{display:block;width:100%;margin-top:22px;min-height:48px;
  font-size:15px;font-weight:700;background:var(--accent-ink);
  border-color:var(--accent-ink);color:var(--card)}
.trip-btn:hover{opacity:.92;color:var(--card)}

#trace{display:block;width:100%;height:320px}
.tiles{display:flex;flex-wrap:wrap;gap:8px 20px;margin-top:14px;font-size:13px;
  color:var(--muted);font-variant-numeric:tabular-nums;overflow-x:auto}
.tiles b{color:var(--ink);font-weight:600;margin-left:4px}
.deltas{color:var(--muted);font-size:13px;margin-top:6px;max-width:70ch}


/* Phone edge system — "16px prose / 10px surface": the 16px prose gutter comes
   from workspace.css's Camp A block (--page-gutter, this page links it); the
   cards full-bleed back to the viewport edge as native sheets (side borders +
   radius dropped, top/bottom hairlines kept). */
@media (max-width:640px){
  .card{margin-inline:-16px;border-inline:none;border-radius:0;padding-inline:12px}
}