/* MDI mobile-first overrides: review target ~390px wide */
@media (max-width: 900px){
  .shell{display:flex;flex-direction:column;max-width:720px;padding:18px 14px 72px;gap:16px}
  .conversation{order:1;width:100%}
  .decision-panel{order:2;width:100%}
  .active-view,.start-view{max-width:none;width:100%}
  .progress-line{margin:4px 0 16px;height:5px}
  .conversation-head{margin-bottom:14px}
  .question-card,.done-card{box-shadow:0 10px 30px rgba(31,37,34,.06)}
  .captured-data{display:none!important}

  /* En móvil la antigua columna lateral pasa a ser una lectura integrada debajo de la pregunta */
  .decision-sticky{position:relative;top:auto;background:transparent;color:var(--ink);border-radius:0;padding:0;box-shadow:none}
  .decision-sticky>.eyebrow{color:var(--muted);margin-top:4px}
  .decision-sticky>.status-pill{margin-bottom:10px}
  .decision-sticky>h2{color:var(--ink);font-size:24px;line-height:1.1;margin-bottom:8px}
  .decision-sticky>p:not(.eyebrow){color:var(--muted);font-size:14px;line-height:1.5;margin-bottom:14px}
  .section-card,.professional-overview,.detail-block{background:#fff;border:1px solid rgba(23,32,29,.08);border-radius:18px;padding:17px 16px;margin:10px 0;box-shadow:0 8px 24px rgba(31,37,34,.04)}
  .section-card{border-top:1px solid rgba(23,32,29,.08)}
  .section-card h3{font-size:15px;color:var(--ink);margin-bottom:8px}
  .section-message{color:var(--muted)!important;font-size:12px!important;line-height:1.45}
  .fact-row{color:#56615c;border-top:1px solid #eeece7;padding:10px 0}
  .fact-row:first-of-type{border-top:0}
  .fact-row strong{color:var(--ink)}
  .fact-emphasis{background:#eef4f1;color:var(--ink);border-radius:12px;padding:12px;margin:7px 0}
  .fact-emphasis strong{color:var(--accent)}
  .fact-help{display:block;color:var(--muted);font-size:11px;line-height:1.35;margin-top:3px;max-width:34ch}
  .detail-block summary{color:var(--ink)}
  .detail-block>div{color:var(--muted)}
  .professional-overview .professional-kicker,.professional-overview span{color:var(--ink)!important}
  .professional-overview strong,.professional-overview small{color:var(--muted)}
  .study-side{background:var(--accent);color:#fff;border:0;min-height:52px;border-radius:14px;margin-top:12px}
}

@media (max-width: 620px){
  body{overflow-x:hidden}
  .topbar{height:58px;padding:0 12px;gap:8px}
  .brand{min-width:0;gap:8px}
  .brand-mark{font-size:14px}
  .top-actions{gap:6px;flex-shrink:0}
  .top-actions .small{min-height:42px;padding:8px 10px;font-size:12px}

  .shell{padding:14px 12px calc(56px + env(safe-area-inset-bottom));gap:14px}
  .start-view{padding-top:4px}
  .start-view h1{font-size:36px;line-height:1.02;margin-bottom:16px}
  .lead{font-size:16px;line-height:1.48;margin-bottom:22px}
  .eyebrow{font-size:10px;margin-bottom:8px}

  .audience-chooser{grid-template-columns:1fr 1fr;gap:8px;margin-bottom:24px}
  .audience-card{min-height:78px;padding:12px;border-radius:14px}
  .audience-card strong{font-size:13px}
  .audience-card span{font-size:11px}

  .quick-grid{grid-template-columns:1fr;gap:9px;margin-bottom:0}
  .quick-grid button{min-height:54px;padding:15px 16px;border-radius:14px;font-size:15px}

  .conversation-head{align-items:center;gap:10px}
  .back{min-height:44px;padding:9px 14px}
  .route-label{font-size:11px;text-align:right}

  .question-card,.done-card{padding:22px 16px;border-radius:18px}
  .question-card h2,.done-card h2{font-size:28px;line-height:1.08;margin-bottom:22px;letter-spacing:-.025em}
  .choice-grid{grid-template-columns:1fr;gap:9px}
  .choice-grid button{min-height:52px;padding:14px 15px;font-size:15px}
  .answer-input{min-height:52px;font-size:16px;padding:14px}
  .money-row{align-items:stretch}
  .money-row .unit{display:flex;align-items:center}
  .primary,.wide{min-height:52px;font-size:15px;border-radius:13px}
  .help{font-size:12px;line-height:1.45;margin-top:12px}

  .decision-panel{margin-top:0}
  .decision-sticky>h2{font-size:22px}
  .section-card,.professional-overview,.detail-block{border-radius:16px;padding:15px 14px;margin:9px 0}
  .fact-row{font-size:12px;gap:12px;align-items:flex-start}
  .fact-row strong{font-size:13px;max-width:42%;text-align:right}
  .fact-emphasis strong{font-size:18px;max-width:none}

  .study-overlay{padding:0}
  .study-sheet{border-radius:0;min-height:100dvh;padding:18px 14px calc(44px + env(safe-area-inset-bottom))}
  .study-toolbar{position:sticky;top:0;z-index:2;background:#fff;padding:6px 0 12px;margin-bottom:22px}
  .study-toolbar button{min-height:42px}
  .study-header h1{font-size:34px}
  .study-section,.study-technical{padding:22px 0}
  .study-row{grid-template-columns:1fr;gap:5px;padding:11px 0}
  .study-row strong{white-space:normal;font-size:15px}
  .study-row em{grid-column:auto;padding-top:0}
  .study-doc{grid-template-columns:1fr;gap:4px}
  .study-doc small{grid-column:auto}
}

@media (max-width: 390px){
  .top-actions .small{padding:8px 8px;font-size:11px}
  .start-view h1{font-size:33px}
  .audience-chooser{grid-template-columns:1fr}
  .audience-card{min-height:auto}
  .question-card h2,.done-card h2{font-size:26px}
  .fact-row{display:grid;grid-template-columns:minmax(0,1fr) auto}
  .fact-row strong{max-width:none}
}