/* v0.3 visual tokens; Figure 1.4 source order remains in the canonical schema. */
@media screen {
  .app-header, .app-shell, .app-footer { max-width: 1120px; }
  .app-header { padding: 18px 24px; }
  .app-header h1 { display:flex; flex-wrap:wrap; align-items:center; gap:10px; }
  .beta-label { font-size:12px; padding:4px 9px; border-radius:99px; background:var(--primary-soft); color:var(--primary-hover); }
  .clinical-beta-note { margin:12px 0; padding:10px 16px; border:1px solid var(--line); border-radius:14px; background:var(--card); font-size:13px; color:var(--muted); }
  .clinical-beta-note summary { cursor:pointer; font-weight:600; min-height:24px; }
  .clinical-beta-note p { margin:10px 0 2px; }
  .input-panel { padding:20px; }
  .current-step-card { padding:20px; }
  .bsava-page { margin:16px 0 0; padding:0; border:0; background:transparent; color:var(--ink); font-family:inherit; }
  .bsava-page > header { text-align:left; margin-bottom:18px; }
  .bsava-page h2 { font-size:19px; color:var(--ink); }
  .exam-source { margin-top:6px; color:var(--muted); font-size:12px; }
  .exam-source summary { cursor:pointer; line-height:1.5; min-height:24px; font-weight:500; }
  .exam-source p { max-width:80ch; }
  .bsava-page footer { padding:8px 2px; color:var(--muted); font-size:11px; }
  .exam-quality { display:grid; grid-template-columns:2fr 1fr; gap:8px 18px; padding:14px 16px; border:1px solid var(--line); border-radius:14px; background:var(--soft); font-size:13px; }
  .exam-quality > p { grid-column:1/-1; grid-row:2; font-size:12px; color:var(--muted); margin:0; }
  .bsava-group { gap:16px; margin:16px 0; align-items:start; }
  .bsava-observation { grid-template-columns:2fr 3fr; }
  .bsava-hands_top, .bsava-hands_bottom { grid-template-columns:1fr 1fr; }
  .bsava-section { border:1px solid var(--line); border-radius:18px; background:var(--card); padding:18px; box-shadow:var(--shadow); }
  .bsava-section h3 { text-align:left; font-size:16px; font-weight:750; margin:0 0 14px; color:var(--ink); }
  .bsava-key { color:var(--muted); font-size:12px; margin:0 0 12px; }
  .canonical-item { margin:0; padding:12px 0; border:0; border-top:1px solid var(--line); }
  .canonical-item legend { float:left; width:100%; padding:0; margin:0 0 7px; font-size:13px; line-height:1.5; font-weight:650; }
  .canonical-cells { clear:both; display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:8px 12px; }
  .single-control .canonical-cells { grid-template-columns:minmax(0,1fr); }
  :is([data-canonical-id="palpebral"],[data-canonical-id="plr"]) .canonical-cells { grid-template-columns:repeat(4,minmax(0,1fr)); }
  .canonical-control { font-size:13px; }
  .control-caption { font-size:12px; font-weight:600; color:var(--muted); margin-bottom:4px; }
  .canonical-control select, .canonical-control input, .exam-quality select { width:100%; min-height:40px; padding:8px 10px; border:1px solid var(--line); border-radius:10px; background:var(--bg); color:var(--ink); font:inherit; }
  .canonical-control :is(select,input):focus, .exam-quality select:focus { outline:2px solid var(--primary); outline-offset:2px; background:white; }
  .quality-override { font-size:11px; margin-top:4px; color:var(--muted); }
  .quality-override summary { cursor:pointer; width:fit-content; min-height:22px; font-weight:500; }
  .quality-override select { font-size:12px; margin-top:5px; }
  .canonical-additional { padding:12px 0 0; border-color:var(--line); color:var(--muted); }
  .canonical-additional summary { cursor:pointer; font-size:12px; min-height:28px; }
  .canonical-additional .canonical-control { margin-top:10px; color:var(--ink); }
  .bsava-patient .bsava-section, .bsava-history .bsava-section[data-source-section="background"] { display:grid; grid-template-columns:repeat(6,minmax(0,1fr)); gap:0 14px; }
  .bsava-patient h3, .bsava-history h3 { grid-column:1/-1; }
  .bsava-patient .canonical-item { grid-column:span 3; }
  .bsava-patient [data-canonical-id="case_number"] { grid-column:1/-1; }
  [data-source-section="background"] .canonical-item { grid-column:1/-1; }
  [data-source-section="background"] :is([data-canonical-id="vaccination"],[data-canonical-id="last_vaccine"],[data-canonical-id="parasite_treatment"]) { grid-column:span 2; }
  [data-source-section="background"] :is([data-canonical-id="vomiting"],[data-canonical-id="diarrhoea"],[data-canonical-id="coughing"],[data-canonical-id="sneezing"],[data-canonical-id="polydipsia"],[data-canonical-id="polyuria"]) { grid-column:span 1; }
  .hierarchical-candidate, .hierarchical-mri, .nds-panel { border:1px solid var(--line); border-radius:18px; padding:20px; margin:16px 0; background:var(--card); box-shadow:var(--shadow); }
  .hierarchical-candidate h3, .hierarchical-mri h3 { margin:0 0 8px; font-size:21px; }
  .hierarchical-mri { background:var(--primary-soft); }
  #hierarchicalPrimary > h2 { font-size:20px; }
  #hierarchicalPrimary p { font-size:14px; line-height:1.65; }
  #hierarchicalPrimary details { padding:10px 0; border-top:1px solid var(--line); font-size:13px; }
  #hierarchicalPrimary summary { cursor:pointer; color:var(--muted); }
  .supporting-preview { padding:10px 14px; border-radius:10px; background:var(--soft); font-size:13px; overflow-wrap:anywhere; }
  .nds-panel select { border:1px solid var(--line); border-radius:10px; min-height:42px; background:var(--bg); }
  .nds-panel p { color:var(--muted); font-size:13px; }
  @media(max-width:900px) {
    .bsava-observation, .bsava-hands_top, .bsava-hands_bottom { grid-template-columns:1fr; }
    [data-source-section="background"] :is([data-canonical-id="vomiting"],[data-canonical-id="diarrhoea"],[data-canonical-id="coughing"],[data-canonical-id="sneezing"],[data-canonical-id="polydipsia"],[data-canonical-id="polyuria"]) { grid-column:span 2; }
  }
  @media(max-width:520px) {
    .step-tabs { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); overflow:visible; }
    .step-tabs button { width:100%; }
    .input-panel, .current-step-card { padding:12px; }
    .app-header { padding:16px; }
    .bsava-section { padding:12px; border-radius:14px; }
    .bsava-section h3 { font-size:15px; }
    .exam-quality { grid-template-columns:1fr; }
    .exam-quality > p { grid-row:auto; }
    .bsava-patient .bsava-section, .bsava-history .bsava-section[data-source-section="background"] { grid-template-columns:repeat(2,minmax(0,1fr)); gap:0 10px; }
    .bsava-patient .canonical-item, [data-source-section="background"] .canonical-item { grid-column:1/-1!important; }
    .canonical-cells { gap:8px; }
    :is([data-canonical-id="palpebral"],[data-canonical-id="plr"]) .canonical-cells { grid-template-columns:repeat(2,minmax(0,1fr)); }
    .canonical-control select, .canonical-control input { min-height:44px; font-size:14px; padding:7px; }
    .quality-override { font-size:10px; }
    .bsava-page h2 { font-size:17px; }
  }
}