:root {
  --ink: #1d1d1f;
  --muted: #6b6b70;
  --paper: #ffffff;
  --panel: #f4f4f6;
  --accent: #2f5bd3;
  --line: #d6d6db;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --ink: #ececf0;
    --muted: #a0a0a8;
    --paper: #16161a;
    --panel: #222228;
    --accent: #7e9bff;
    --line: #3a3a42;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0 auto;
  max-width: 1440px;
  padding: 16px;
  font: 15px/1.45 system-ui, sans-serif;
  color: var(--ink);
  background: var(--paper);
}
h1 { margin: 0; font-size: 1.5rem; }
h2 { font-size: 1.05rem; margin: 1.2rem 0 0.4rem; }
header p, .timings, footer, #saved { color: var(--muted); }
main { display: flex; flex-wrap: wrap; gap: 24px; }
.drawing { flex: 0 1 340px; }
.details { flex: 1 1 520px; min-width: 0; }
#pad {
  width: 100%;
  max-width: 340px;
  aspect-ratio: 1;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  touch-action: none;
  cursor: crosshair;
}
.controls { display: flex; flex-wrap: wrap; gap: 8px; margin: 8px 0; align-items: center; }
button, select, input {
  font: inherit;
  color: inherit;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 4px 10px;
}
button:hover { border-color: var(--accent); }
.explain { font-size: 0.85rem; color: var(--muted); margin: 0 0 8px; }
.candidates-heading { display: flex; align-items: baseline; justify-content: space-between; gap: 8px; }
.candidates-heading label { font-size: 0.9rem; color: var(--muted); }
.output input { width: 100%; font-size: 1.3rem; margin-top: 4px; }
.table-wrap { overflow-x: auto; }
#candidates { width: 100%; border-collapse: collapse; font-size: 0.85rem; }
#candidates th {
  text-align: left;
  font-weight: 600;
  color: var(--muted);
  border-bottom: 1px solid var(--line);
  padding: 2px 6px;
}
#candidates td { padding: 2px 6px; border-bottom: 1px solid var(--line); vertical-align: middle; }
#candidates .rank, #candidates .score { text-align: right; color: var(--muted); }
#candidates .code { color: var(--muted); white-space: nowrap; }
/* Long names end in an ellipsis; the full name is the cell's tooltip. */
#candidates .name {
  max-width: 17rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
#candidates td button { padding: 2px 6px; }
#candidates .char { font-size: 1.4rem; min-width: 2.4rem; line-height: 1.2; }
#candidates .tile { font-size: 1.1rem; min-width: 2.6rem; position: relative; padding-right: 18px; }
#candidates .tile .more {
  position: absolute;
  right: 3px;
  bottom: 1px;
  font-size: 0.65rem;
  color: var(--muted);
}
#candidates a { color: var(--accent); white-space: nowrap; }
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}
.input-image { display: flex; align-items: center; gap: 10px; color: var(--muted); }
#input { width: 96px; height: 96px; image-rendering: pixelated; border: 1px solid var(--line); }
#label { width: 5rem; }
.chooser {
  position: fixed;
  z-index: 10;
  max-width: min(360px, calc(100vw - 32px));
  /* Large groups (the circles have 65 members) scroll inside the popup. */
  max-height: min(420px, calc(100vh - 32px));
  overflow-y: auto;
  overscroll-behavior: contain;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 6px 24px rgb(0 0 0 / 0.2);
  padding: 6px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
/* The display rule above would otherwise override the hidden attribute. */
.chooser[hidden] { display: none; }
.chooser button { flex: none; display: flex; gap: 10px; align-items: baseline; text-align: left; border: none; }
.chooser .char { font-size: 1.5rem; width: 2rem; }
.chooser .name { font-size: 0.8rem; color: var(--muted); }
footer { margin-top: 32px; font-size: 0.8rem; }