/* Native-speaker content review (W0368). Plain on purpose: an internal tool for paid raters. */
:root {
  --bg: #f7f7f5;
  --panel: #ffffff;
  --text: #1d1d1f;
  --muted: #5f6368;
  --line: #d9d9d6;
  --accent: #3d4fd6;
  --ok: #1a7f37;
  --warn: #b35900;
  --bad: #c62828;
  --mark: #fff1a8;
  color-scheme: light;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
main { max-width: 760px; margin: 0 auto; padding: 16px 16px 64px; }
h1 { font-size: 1.4rem; margin: 8px 0 12px; }
h2 { font-size: 1.1rem; margin: 20px 0 8px; }
p { margin: 8px 0; }
.muted { color: var(--muted); }
.small { font-size: 0.875rem; }
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 16px; margin: 12px 0; }
.topbar { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }
.progress { height: 6px; background: var(--line); border-radius: 3px; overflow: hidden; margin: 8px 0 4px; }
.progress > div { height: 100%; background: var(--accent); }
.question { font-weight: 600; font-size: 1.05rem; }
.card { border: 2px solid var(--line); border-radius: 14px; padding: 16px; background: #fcfcfb; }
.card .title { text-transform: uppercase; letter-spacing: 0.04em; font-size: 0.75rem; color: var(--muted); margin-bottom: 6px; }
.card .fr { font-size: 1.3rem; margin: 6px 0; }
.card .en { color: var(--muted); }
.card mark { background: var(--mark); border-bottom: 2px solid var(--accent); padding: 0 1px; }
.card ol { padding-left: 1.4em; margin: 8px 0; }
.card li { margin: 4px 0; }
.card li.correct { font-weight: 600; }
.tag { display: inline-block; font-size: 0.75rem; border-radius: 4px; padding: 0 6px; margin-left: 6px; border: 1px solid currentColor; }
.tag.correct { color: var(--ok); }
.tag.picked { color: var(--bad); }
.focus { border-left: 4px solid var(--accent); padding: 8px 12px; background: #eef0fd; border-radius: 0 8px 8px 0; margin: 12px 0; }
.focus .label { font-size: 0.8rem; color: var(--muted); }
.focus .text { font-size: 1.1rem; white-space: pre-wrap; }
.audio { margin: 8px 0; }
.audio label { display: block; font-size: 0.85rem; color: var(--muted); }
audio { width: 100%; }
details { margin: 8px 0; }
.choices { display: flex; gap: 8px; flex-wrap: wrap; margin: 8px 0; }
button, select, textarea, input { font: inherit; }
button {
  border: 1px solid var(--line); background: var(--panel); color: var(--text);
  border-radius: 8px; padding: 10px 14px; cursor: pointer; min-height: 44px;
}
button:hover:not(:disabled) { border-color: var(--accent); }
button:disabled { opacity: 0.45; cursor: not-allowed; }
button.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
button.choice[aria-pressed="true"] { border-width: 2px; border-color: var(--accent); background: #eef0fd; font-weight: 600; }
button.choice.ok[aria-pressed="true"] { border-color: var(--ok); background: #e9f6ec; }
button.choice.err[aria-pressed="true"] { border-color: var(--bad); background: #fdecec; }
select, textarea { width: 100%; border: 1px solid var(--line); border-radius: 8px; padding: 8px; background: var(--panel); }
textarea { min-height: 88px; resize: vertical; }
.field { margin: 12px 0; }
.field > label { display: block; font-weight: 600; margin-bottom: 4px; }
.sev { display: grid; gap: 6px; }
.sev label { display: flex; gap: 8px; align-items: flex-start; font-weight: 400; }
.status { font-size: 0.875rem; min-height: 1.4em; }
.status.saved { color: var(--ok); }
.status.saving { color: var(--muted); }
.status.local { color: var(--warn); }
.status.error { color: var(--bad); }
.nav { display: flex; justify-content: space-between; gap: 8px; margin-top: 16px; }
.hint { color: var(--warn); font-size: 0.9rem; }
.code { font-size: 1.6rem; font-weight: 700; letter-spacing: 0.08em; padding: 8px 12px; border: 2px dashed var(--accent); display: inline-block; border-radius: 8px; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(36px, 1fr)); gap: 4px; margin: 8px 0; }
.grid button { min-height: 36px; padding: 4px; font-size: 0.8rem; }
.grid button.done { background: #e9f6ec; border-color: var(--ok); }
.grid button.current { outline: 2px solid var(--accent); }
@media (max-width: 480px) { .card .fr { font-size: 1.15rem; } }