:root{
  --surface:#ffffff;--surface-muted:#f5f7fa;--text:#17202a;--text-muted:#5d6d7e;
  --primary:#3157a4;--success:#18794e;--warning:#8a5a00;--danger:#b42318;--focus:#005fcc;
  --radius:10px;--space:16px;--shadow:0 4px 16px rgba(0,0,0,.08)
}
*{box-sizing:border-box}
body{margin:0;font-family:Vazirmatn,Tahoma,Arial,sans-serif;background:var(--surface-muted);color:var(--text);line-height:1.8}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
.app-shell{max-width:1200px;margin:auto;min-height:100vh;background:var(--surface)}
.app-header{display:flex;align-items:center;justify-content:space-between;padding:20px;border-bottom:1px solid #dfe4ea}
.app-header h1{margin:0;font-size:28px}
.muted{color:var(--text-muted);margin:.25rem 0 0}
.main-nav{display:flex;gap:8px;flex-wrap:wrap;padding:12px 20px;border-bottom:1px solid #dfe4ea}
.main-nav button{border:1px solid #cfd6df;background:#fff;border-radius:8px;padding:8px 14px}
.main-nav button[aria-current="page"]{background:var(--primary);color:#fff;border-color:var(--primary)}
main{padding:20px}
.card{background:#fff;border:1px solid #dde3ea;border-radius:var(--radius);padding:18px;box-shadow:var(--shadow);margin-bottom:16px}
.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.field{display:flex;flex-direction:column;gap:6px}
.field label{font-weight:700}
.field input,.field select,.field textarea{border:1px solid #aeb8c4;border-radius:8px;padding:10px;background:#fff}
.field [aria-invalid="true"]{border-color:var(--danger);outline:2px solid rgba(180,35,24,.12)}
.error-text{color:var(--danger);font-size:14px}
.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}
.primary{background:var(--primary);color:#fff;border:0;border-radius:8px;padding:10px 18px}
.secondary{background:#fff;color:var(--text);border:1px solid #aeb8c4;border-radius:8px;padding:10px 18px}
.status-region:not(:empty){margin-bottom:16px;padding:12px;border-radius:8px;background:#edf4ff}
.recommendation-card{display:grid;grid-template-columns:1fr auto;gap:12px;align-items:start}
.badge{display:inline-block;border-radius:999px;padding:2px 10px;font-size:13px;background:#eef2f6}
.choice-item{display:grid;grid-template-columns:auto 1fr auto;gap:12px;align-items:center;padding:12px;border:1px solid #dfe4ea;border-radius:8px;margin-bottom:8px}
.choice-item[draggable="true"]{cursor:grab}
.skip-link{position:absolute;right:-9999px;top:0}
.skip-link:focus{right:12px;top:12px;background:#fff;padding:8px;z-index:1000}
:focus-visible{outline:3px solid var(--focus);outline-offset:2px}
.icon-button{display:none}
@media(max-width:768px){
  .grid{grid-template-columns:1fr}
  .icon-button{display:block}
  .main-nav{display:none;flex-direction:column}
  .main-nav.is-open{display:flex}
  main{padding:14px}
  .recommendation-card{grid-template-columns:1fr}
}
.runtime-status{font-size:13px;margin:.25rem 0 0;color:var(--text-muted)}
.runtime-status[data-state="live"]{color:var(--success)}
.runtime-status[data-state="unavailable"],.runtime-status[data-state="invalid"]{color:var(--danger)}
.reference-data-status{margin:0 0 16px;padding:10px 12px;border-radius:8px;background:#f4f7fb;color:var(--text-muted)}
.reference-data-status[data-state="ready"]{background:#edf8f2;color:var(--success)}
.reference-data-status[data-state="error"]{background:#fff1f0;color:var(--danger)}
.field-note{display:block;color:var(--text-muted);font-size:13px;margin:.15rem 0 0}
select[multiple]{min-height:180px}
select:disabled{background:#eef1f4;color:#697586;cursor:not-allowed}

.ordered-preference-list{display:flex;flex-direction:column;gap:8px;margin-top:8px}
.ordered-preference-empty{margin:0;color:var(--text-muted);font-size:13px}
.ordered-preference-item{display:grid;grid-template-columns:auto 1fr auto;gap:10px;align-items:center;padding:9px 10px;border:1px solid #dfe4ea;border-radius:8px;background:#fff}
.ordered-preference-rank{font-weight:700;min-width:2rem;text-align:center}
.ordered-preference-label{min-width:0}
.ordered-preference-actions{display:flex;gap:6px;flex-wrap:wrap}
.ordered-preference-actions button{padding:6px 9px}
@media(max-width:768px){
  .ordered-preference-item{grid-template-columns:auto 1fr}
  .ordered-preference-actions{grid-column:1/-1}
}