/* AUTO-EXTRACTED checker styles from index-9.html (parity for standalone page) */
/* ===== Drug-interaction checker (elegant) ===== */
  .ix-checker{border:1px solid var(--line);border-radius:16px;background:var(--surface);overflow:hidden;box-shadow:var(--shadow-sm);}
  /* gradient header */
  .ix-hd{padding:15px 16px;background:linear-gradient(135deg,#0d9488,#115e59);color:#fff;}
  .ix-hd-row{display:flex;align-items:center;gap:12px;}
  .ix-hd-ic{width:40px;height:40px;flex:none;display:grid;place-items:center;font-size:21px;background:rgba(255,255,255,.16);border-radius:12px;box-shadow:inset 0 0 0 1px rgba(255,255,255,.18);}
  .ix-hd-title{margin:0;font-size:16.5px;font-weight:900;letter-spacing:-.01em;line-height:1.1;}
  .ix-hd-sub{margin:3px 0 0;font-size:11.5px;font-weight:600;color:rgba(255,255,255,.88);}
  .ix-body{padding:14px;}
  /* search with icon */
  .ix-search-wrap{position:relative;margin-bottom:12px;}
  .ix-search-ic{position:absolute;left:13px;top:50%;transform:translateY(-50%);font-size:14px;opacity:.5;pointer-events:none;}
  .ix-search{width:100%;box-sizing:border-box;padding:12px 14px 12px 38px;border:1px solid var(--line);border-radius:12px;font-size:14px;font-family:inherit;background:var(--surface-2);color:var(--ink);transition:border-color .15s,box-shadow .15s,background .15s;}
  .ix-search:focus{outline:none;border-color:var(--brand-600);box-shadow:0 0 0 3px rgba(13,148,136,.15);background:#fff;}
  /* legend chips — neutral fills/borders (no yellow), colour lives in the dot */
  .ix-legend{display:flex;gap:7px;flex-wrap:wrap;align-items:center;margin-bottom:10px;}
  .ixlg{display:inline-flex;align-items:center;gap:6px;font-size:11px;font-weight:800;padding:4px 11px;border-radius:999px;border:1px solid var(--line);background:#fff;color:#475569;}
  .ixlg i{width:9px;height:9px;border-radius:50%;flex:none;}
  .ixlg.ok i{background:#059669;}
  .ixlg.warn i{background:#b45309;}
  .ixlg.bad i{background:#dc2626;}
  .ix-hint{font-size:11px;color:var(--faint);font-weight:600;margin:0 0 4px;}
  /* compact ↔ full toolbar */
  .ix-toolbar{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:10px;}
  .ix-toggle{display:inline-flex;background:var(--surface-2);border:1px solid var(--line);border-radius:10px;padding:3px;}
  .ixtg{border:none;background:none;font-family:inherit;font-weight:700;font-size:11.5px;color:var(--muted);padding:6px 11px;border-radius:8px;cursor:pointer;display:inline-flex;align-items:center;gap:5px;transition:color .15s,background .15s;}
  .ixtg[aria-pressed="true"]{background:#fff;color:var(--brand-700);box-shadow:var(--shadow-sm);}
  .ix-count{font-size:11.5px;font-weight:700;color:var(--faint);white-space:nowrap;}
  /* category header (collapsible subheading) */
  .ix-group{margin-bottom:2px;}
  .ix-cat{display:flex;align-items:center;gap:9px;width:100%;margin:8px 0 8px;padding:8px 9px;background:var(--surface-2);border:1px solid var(--line);font-family:inherit;cursor:pointer;text-align:left;border-radius:10px;transition:background .15s,border-color .15s;}
  .ix-cat:hover{background:#fff;border-color:#cbd5e1;}
  .ix-cat.open{background:#fff;border-color:var(--brand-soft);}
  .ix-cat-chev{flex:none;color:var(--brand-600);font-size:10px;transition:transform .2s;}
  .ix-cat.open .ix-cat-chev{transform:rotate(90deg);}
  .ix-cat-name{font-size:11px;font-weight:900;text-transform:uppercase;letter-spacing:.06em;color:var(--brand-700);white-space:nowrap;}
  .ix-cat-line{flex:1;height:1px;background:linear-gradient(90deg,var(--brand-soft),transparent);}
  .ix-cat-n{flex:none;font-weight:800;color:var(--brand-700);background:var(--brand-soft);border-radius:999px;padding:2px 9px;font-size:10px;}
  .ix-group-body{display:flex;flex-direction:column;padding:2px 2px 6px;}
  /* drug row */
  .ix-row{border:1px solid var(--line);border-radius:12px;margin-bottom:8px;background:#fff;transition:border-color .15s,box-shadow .15s;}
  .ix-row:hover{border-color:#cbd5e1;box-shadow:var(--shadow-sm);}
  .ix-row.open{border-color:var(--brand-600);box-shadow:0 0 0 2px rgba(13,148,136,.12);}
  .ix-head{display:flex;align-items:center;gap:10px;padding:11px 12px;cursor:pointer;width:100%;text-align:left;background:none;border:none;font-family:inherit;border-radius:12px;}
  .ix-dname{font-weight:700;font-size:13.5px;color:#1e293b;line-height:1.32;flex:1;min-width:0;letter-spacing:-.012em;}
  /* status pills — top band = medication colour · bottom = warning glyph */
  .ix-matrix{display:flex;gap:6px;flex:none;}
  .ix-pill{display:inline-flex;flex-direction:column;width:38px;border-radius:9px;overflow:hidden;border:1px solid #e2e8f0;background:#fff;box-shadow:0 1px 2px rgba(15,23,42,.07);}
  .ix-pt{font-size:8.5px;font-weight:900;letter-spacing:.05em;color:#fff;padding:3px 0;text-align:center;line-height:1;}
  .ix-pill.m-tdf .ix-pt{background:#0369a1;}
  .ix-pill.m-taf .ix-pt{background:#047857;}
  .ix-pill.m-cab .ix-pt{background:#6d28d9;}
  .ix-pg{padding:3px 0 4px;text-align:center;font-size:13px;font-weight:900;line-height:1;background:#fff;}
  .ix-pg.ok{color:#059669;}
  .ix-pg.warn{color:#b45309;}
  .ix-pg.bad{color:#dc2626;}
  .ix-chev{flex:none;color:var(--faint);font-size:12px;transition:transform .25s;}
  .ix-row.open .ix-chev{transform:rotate(180deg);color:var(--brand-700);}
  /* expanded detail (animated) */
  .ix-detail{max-height:0;overflow:hidden;transition:max-height .3s ease;}
  .ix-row.open .ix-detail{max-height:760px;}
  .ix-detail-in{padding:2px 12px 13px;}
  .ix-cols{display:grid;grid-template-columns:1fr 1fr 1fr;gap:8px;margin:2px 0 10px;}
  .ix-col{border:1px solid var(--line);border-radius:10px;overflow:hidden;text-align:center;}
  .ix-col-top{padding:7px 4px 6px;color:#fff;font-weight:800;font-size:12px;line-height:1.1;}
  .ix-col-top small{display:block;font-weight:700;font-size:8px;opacity:.92;text-transform:uppercase;letter-spacing:.02em;margin-top:2px;}
  .ix-col.tdf .ix-col-top{background:#0369a1;} .ix-col.taf .ix-col-top{background:#047857;} .ix-col.cab .ix-col-top{background:#6d28d9;}
  .ix-col-st{display:flex;align-items:center;justify-content:center;gap:5px;padding:7px 4px;font-size:11px;font-weight:800;}
  .ix-col-st.ok{background:#ecfdf5;color:#047857;} .ix-col-st.warn{background:#f1f5f9;color:#b45309;} .ix-col-st.bad{background:#fef2f2;color:#dc2626;}
  .ix-col-g{font-size:12px;}
  /* "why it matters" mechanism callout (E-E-A-T) */
  .ix-why{background:var(--surface-2);border:1px solid var(--line);border-left:3px solid var(--brand-600);border-radius:10px;padding:10px 12px;}
  .ix-why-h{display:flex;align-items:center;gap:5px;font-size:10.5px;font-weight:900;text-transform:uppercase;letter-spacing:.05em;color:var(--brand-700);margin-bottom:4px;}
  .ix-why p{margin:0;font-size:12.5px;line-height:1.55;color:#475569;}
  /* empty / no-match */
  .ix-empty{background:var(--surface-2);border:1px dashed var(--line);border-radius:12px;padding:16px;text-align:center;color:var(--muted);font-size:13px;}
  .ix-empty b{color:var(--ink);}
  /* "request a missing drug" form */
  .ix-req{text-align:left;background:#fff;border:1px solid var(--line);border-radius:12px;padding:13px 14px;margin-top:2px;}
  .ix-req-h{font-size:13.5px;font-weight:800;color:var(--brand-700);margin-bottom:3px;}
  .ix-req-sub{margin:0 0 10px;font-size:12px;color:var(--muted);line-height:1.45;}
  .ix-req-in{width:100%;box-sizing:border-box;padding:9px 11px;border:1px solid var(--line);border-radius:9px;font-size:13.5px;font-family:inherit;background:var(--surface-2);color:var(--ink);margin-bottom:8px;resize:vertical;}
  .ix-req-in:focus{outline:none;border-color:var(--brand-600);box-shadow:0 0 0 3px rgba(13,148,136,.15);background:#fff;}
  .ix-req .btn-primary{width:100%;}
  .ix-req-done b{color:var(--normal);}