:root { --sig: #7A3CB8; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) { --sig: #B68AE8; } }

.hint { font-size: var(--fs-small); color: var(--ink-faint); line-height: 1.45; margin: 9px 0 0; }
.checks label { display: block; font-size: var(--fs-small); color: var(--ink-soft); margin-bottom: 5px; cursor: pointer; }
.checks input { accent-color: var(--sig); margin-right: 6px; }

.drop {
  display: block;
  border: 1px dashed var(--rule);
  padding: 12px 10px;
  text-align: center;
  font-size: var(--fs-small);
  color: var(--ink-faint);
  cursor: pointer;
  background: var(--plate-sunk);
}
.drop:hover, .drop.over { border-color: var(--sig); color: var(--sig); }
.drop code { font-family: "IBM Plex Mono", monospace; font-size: 11px; }

dl.stats { margin: 10px 0 0; font-size: var(--fs-small); }
dl.stats div { display: flex; justify-content: space-between; padding: 3px 0; border-bottom: 1px solid var(--rule-fine); }
dl.stats dt { color: var(--ink-soft); margin: 0; }
dl.stats dd { margin: 0; font-family: "IBM Plex Mono", monospace; font-variant-numeric: tabular-nums; }

/* --- the headline readout ------------------------------------------------ */

.verdict-bar {
  display: flex;
  align-items: baseline;
  gap: 26px;
  flex-wrap: wrap;
  padding: 13px 22px;
  border-bottom: 1px solid var(--rule);
  background: var(--plate);
}
.big { display: flex; align-items: baseline; gap: 8px; }
.big .n {
  font: 500 34px/1 "IBM Plex Mono", monospace;
  font-variant-numeric: tabular-nums;
  color: var(--sig);
  letter-spacing: -0.02em;
}
.big .lab { font-size: var(--fs-small); color: var(--ink-soft); max-width: 15ch; line-height: 1.25; }
.saving { font-size: var(--fs-small); color: var(--ink-soft); }
.saving b { color: var(--ink); font-family: "IBM Plex Mono", monospace; }
.check { margin-left: auto; font-size: var(--fs-small); font-weight: 500; }
.check.ok { color: var(--ok); }
.check.bad { color: var(--warn); }

/* --- matrix canvas -------------------------------------------------------- */

.canvas-wrap {
  padding: 22px;
  display: flex;
  justify-content: center;
  border-bottom: 1px solid var(--rule);
}
#cv {
  max-width: 100%;
  height: auto;
  image-rendering: pixelated;
  border: 1px solid var(--rule);
  background: var(--plate-sunk);
}

/* --- comparison grid ------------------------------------------------------ */

.compare { padding: 20px 22px 60px; }
.compare h3 {
  margin: 0 0 6px;
  font: 500 17px/1.3 "IBM Plex Serif", Georgia, serif;
}
.compare p { font-size: var(--fs-small); color: var(--ink-soft); margin: 0 0 14px; max-width: 70ch; }

table.cmp { border-collapse: collapse; font-size: var(--fs-small); }
table.cmp th, table.cmp td {
  border: 1px solid var(--rule-fine);
  padding: 6px 11px;
  text-align: right;
  font-family: "IBM Plex Mono", monospace;
  font-variant-numeric: tabular-nums;
}
table.cmp th {
  font-family: "IBM Plex Sans", sans-serif;
  font-weight: 500;
  color: var(--ink-soft);
  text-align: left;
  background: var(--plate);
}
table.cmp thead th { text-align: right; font-size: var(--fs-micro); }
table.cmp thead th:first-child { text-align: left; }
table.cmp td.best { background: var(--sig-wash); color: var(--sig); font-weight: 600; }
table.cmp td.fail { color: var(--warn); }
table.cmp tbody tr:hover { background: color-mix(in srgb, var(--sig-wash) 50%, transparent); }

@media (max-width: 880px) {
  .canvas-wrap { padding: 12px; }
  .big .n { font-size: 27px; }
  .compare { padding: 16px; }
  table.cmp th, table.cmp td { padding: 5px 7px; }
}

.skip {
  font-size: var(--fs-small);
  color: var(--ink-soft);
  border-left: 2px solid var(--rule);
  padding: 8px 0 8px 12px;
  max-width: 68ch;
  margin: 0;
}

/* Visually hidden but still focusable — `hidden` would drop the file input out
   of the tab order, making the upload keyboard-unreachable. */
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  margin: -1px; padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}
.drop:focus-within { border-color: var(--sig); color: var(--sig); }