:root {
  --accent: #1f5f4a;
  --border: #d9d9d9;
  --bg: #f5f5f4;
  --text: #22252a;
  --muted: #6b7280;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", "Microsoft YaHei", "PingFang SC", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}
.topbar {
  background: #fff;
  border-bottom: 1px solid var(--border);
  padding: 20px 16px 12px;
  text-align: center;
}
.topbar h1 { margin: 0; font-size: 24px; }
.subtitle { margin: 4px 0 8px; color: var(--muted); font-size: 14px; }
main { max-width: 860px; margin: 0 auto; padding: 16px; }
.card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px 18px;
  margin-bottom: 16px;
}
.card h2 { margin: 0 0 12px; font-size: 17px; }
.row { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 16px; margin-bottom: 10px; }
.group-label { font-weight: 600; }
textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 10px;
  font-size: 14px;
  font-family: inherit;
  resize: vertical;
}
button {
  border: 1px solid var(--border);
  background: #fff;
  border-radius: 6px;
  padding: 7px 14px;
  font-size: 14px;
  cursor: pointer;
}
button:hover:not(:disabled) { border-color: var(--accent); }
button:disabled { opacity: .45; cursor: not-allowed; }
button.primary { background: var(--accent); color: #fff; border-color: var(--accent); }
select {
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px 8px;
  font-size: 14px;
  background: #fff;
}
.file-label { font-weight: 600; }
.hint { color: var(--muted); font-size: 13px; }
.status { font-size: 14px; min-height: 1.2em; }
.badges { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 6px; }
.badge {
  font-size: 13px;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 2px 10px;
  background: #fafafa;
}
.badge.ok { border-color: var(--accent); color: var(--accent); }
.badge.off { color: var(--muted); background: #f0f0f0; }
.progress-wrap {
  height: 8px;
  background: #eee;
  border-radius: 4px;
  overflow: hidden;
  margin: 8px 0;
}
#progressBar { height: 100%; width: 0; background: var(--accent); transition: width .2s; }
.sentences { margin: 8px 0 0; padding-left: 2em; }
.sentences li { padding: 4px 8px; border-radius: 4px; cursor: pointer; font-size: 15px; }
.sentences li:hover { background: #f0f4f2; }
.sentences li.active { background: #e2efe9; font-weight: 600; }
.sentences li.done { color: var(--muted); }
footer { text-align: center; padding-bottom: 24px; }
label.disabled { opacity: .45; }