:root{
  --bg:#f3f4f6; --card:#fff; --text:#111827; --muted:#6b7280; --line:#e5e7eb;
  --accent:#111827; --soft:#eef2ff; --danger:#991b1b; --radius:22px;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);font-family:-apple-system,BlinkMacSystemFont,"SF Pro Text","Segoe UI",sans-serif;color:var(--text);padding-bottom:90px}
.topbar{display:flex;justify-content:space-between;align-items:center;padding:22px 20px 10px;max-width:900px;margin:auto}
h1,h2,h3,p{margin-top:0}
h1{font-size:24px;margin-bottom:0}
h2{font-size:26px;margin-bottom:8px}
h3{font-size:18px;margin-bottom:0}
.eyebrow{font-size:11px;letter-spacing:.12em;font-weight:800;color:var(--muted);margin-bottom:4px}
main{max-width:900px;margin:auto;padding:10px 16px 30px}
.view{display:none}.view.active{display:block}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px;box-shadow:0 8px 30px rgba(17,24,39,.04)}
.hero{display:flex;justify-content:space-between;align-items:center;gap:20px;min-height:180px}
.primary,.secondary,.ghost,.danger{border:0;border-radius:14px;padding:12px 16px;font-weight:700;font-size:15px;cursor:pointer}
.primary{background:var(--accent);color:#fff}
.primary.big{padding:16px 22px}
.secondary{background:#eef2f7;color:var(--text)}
.ghost{background:transparent;color:var(--text);font-size:20px;padding:8px}
.danger{background:#fee2e2;color:var(--danger)}
.stats-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:12px 0 24px}
.stat{text-align:center;padding:16px 8px}.stat span{font-size:28px;font-weight:800;display:block}.stat small{color:var(--muted)}
.section-head{display:flex;align-items:center;justify-content:space-between;margin:22px 4px 10px}
.stack{display:flex;flex-direction:column;gap:10px}
.map-row,.weak-row{display:flex;align-items:center;justify-content:space-between;gap:12px}
.map-row .meta,.weak-row .meta{flex:1}
.map-title{font-weight:800;font-size:17px}.muted{color:var(--muted)}.small{font-size:13px;line-height:1.45}
.bar{height:8px;background:#e5e7eb;border-radius:100px;overflow:hidden;margin-top:8px}.bar>span{display:block;height:100%;background:#111827;border-radius:100px}
.badge{padding:6px 10px;border-radius:999px;background:#f3f4f6;font-size:12px;font-weight:700}
.badge.weak{background:#fee2e2;color:#991b1b}.badge.mid{background:#fef3c7;color:#92400e}.badge.good{background:#dcfce7;color:#166534}
.review-top{display:grid;grid-template-columns:44px 1fr auto;align-items:center;gap:10px;margin-bottom:12px}
.progress{font-size:13px;color:var(--muted);font-weight:700}
.review-card{min-height:430px}
.prompt{font-size:19px;line-height:1.5;font-weight:700}
textarea,input[type=text]{width:100%;border:1px solid var(--line);border-radius:14px;padding:14px;font:inherit;background:#fff}
textarea{min-height:210px;resize:vertical}
.label{display:block;font-size:13px;font-weight:800;margin:14px 0 7px}
.actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}
.feedback{border-top:1px solid var(--line);margin-top:18px;padding-top:18px}
.feedback h4{margin:14px 0 7px}
.chips{display:flex;gap:7px;flex-wrap:wrap}.chip{padding:7px 10px;border-radius:999px;background:#f3f4f6;font-size:13px}.chip.hit{background:#dcfce7}.chip.miss{background:#fee2e2}
.rating{display:grid;grid-template-columns:repeat(5,1fr);gap:8px;margin-top:18px}.rating button{padding:12px 8px;border:1px solid var(--line);background:#fff;border-radius:12px;font-weight:800}
.bottomnav{position:fixed;left:50%;transform:translateX(-50%);bottom:0;width:min(900px,100%);background:rgba(255,255,255,.94);backdrop-filter:blur(16px);border-top:1px solid var(--line);display:grid;grid-template-columns:repeat(5,1fr);padding:8px 10px calc(8px + env(safe-area-inset-bottom));z-index:10}
.navitem{border:0;background:transparent;padding:7px;display:flex;flex-direction:column;align-items:center;gap:3px;color:#6b7280;font-size:19px}.navitem span{font-size:11px;font-weight:700}.navitem.active{color:#111827}
.toast{position:fixed;left:50%;bottom:100px;transform:translateX(-50%) translateY(20px);background:#111827;color:#fff;padding:11px 14px;border-radius:12px;opacity:0;pointer-events:none;transition:.2s;z-index:30;font-size:13px}.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.file-label{display:block;text-align:center;cursor:pointer}
.topic-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.topic-card{padding:14px;border:1px solid var(--line);border-radius:16px}
.topic-card h4{margin:0 0 6px}
@media(max-width:620px){
  .hero{flex-direction:column;align-items:stretch}.hero .big{width:100%}
  .stats-grid{grid-template-columns:repeat(3,1fr)}
  .topic-grid{grid-template-columns:1fr}
  .rating{grid-template-columns:repeat(2,1fr)}
}

select{width:100%;border:1px solid var(--line);border-radius:14px;padding:14px;font:inherit;background:#fff}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.library-tools{display:flex;flex-direction:column;gap:12px;margin-bottom:14px}
.filter-row{display:flex;gap:8px;overflow:auto;padding-bottom:2px}
.filter-chip{white-space:nowrap;border:1px solid var(--line);background:#fff;border-radius:999px;padding:8px 11px;font-weight:700;font-size:13px}
.filter-chip.active{background:#111827;color:#fff;border-color:#111827}
.area-group{padding:0;overflow:hidden}
.area-header{display:flex;align-items:center;justify-content:space-between;padding:16px 18px;border-bottom:1px solid var(--line);background:#fafafa}
.area-header h3{margin:0}
.organ-block{padding:14px 18px}
.organ-title{display:flex;align-items:center;justify-content:space-between;font-weight:800;margin-bottom:8px}
.library-map{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 0;border-top:1px solid var(--line)}
.library-map:first-of-type{border-top:0}
.library-map .title{font-weight:800}
.tags{display:flex;gap:6px;flex-wrap:wrap;margin-top:5px}
.tag{font-size:11px;padding:4px 7px;border-radius:999px;background:#eef2f7;color:#4b5563}
.count-pill{font-size:12px;font-weight:800;color:var(--muted)}
@media(max-width:620px){.form-grid{grid-template-columns:1fr}}

.pdf-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}
.open-pdf{background:#111827;color:white;border:0;border-radius:12px;padding:9px 12px;font-weight:800;font-size:13px;cursor:pointer}
.open-pdf.secondary-open{background:#eef2f7;color:#111827}
.library-map{cursor:pointer}
.library-map .map-main{flex:1;min-width:0}

.report-card{cursor:pointer}
.report-images{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.report-images img{width:100%;display:block;border:1px solid var(--line);border-radius:16px;background:#000}
.case-level{font-size:11px;font-weight:800;letter-spacing:.08em;color:var(--muted);margin-bottom:4px}
.case-tags{display:flex;gap:6px;flex-wrap:wrap;margin-top:6px}
.report-score{font-size:32px;font-weight:800}
.report-check{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;padding:10px 0;border-top:1px solid var(--line)}
.report-check:first-child{border-top:0}
.report-check .lbl{font-weight:700}
.report-check .desc{font-size:12px;color:var(--muted);margin-top:3px}
.report-top-grid{display:grid;grid-template-columns:1fr auto;gap:12px;align-items:start}
@media(max-width:620px){ .report-images{grid-template-columns:1fr} }


/* Refertazione v0.5 */
.report-hub-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-bottom:16px}
.report-hub-card{cursor:pointer;min-height:150px;display:flex;flex-direction:column;justify-content:space-between}
.report-hub-card h3{margin:0 0 8px;font-size:20px}
.report-hub-icon{font-size:28px;margin-bottom:20px}
.report-hub-wide{grid-column:1/-1}
.report-browser-controls{display:flex;flex-direction:column;gap:12px;margin-bottom:14px}
.report-filter-row{display:flex;gap:8px;flex-wrap:wrap}
.report-filter{border:1px solid var(--line);background:#fff;border-radius:999px;padding:9px 12px;font-size:13px;font-weight:800;cursor:pointer}
.report-filter.active{background:#111827;color:#fff;border-color:#111827}
.report-source-banner{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}
.report-source-title{font-weight:800;font-size:17px}
.report-empty{text-align:center;padding:28px 18px}
.report-topic-list{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.report-topic-row{border:1px solid var(--line);border-radius:16px;padding:13px;background:#fff;cursor:pointer}
.report-topic-row.disabled{opacity:.6;cursor:default}
.report-topic-row .topic-name{font-weight:800}
.report-topic-row .topic-meta{font-size:12px;color:var(--muted);margin-top:4px}
.report-case-source{font-size:11px;font-weight:800;letter-spacing:.06em;margin-top:5px}
.report-case-source.map{color:#166534}
.report-case-source.outside{color:#92400e}
.report-section-title{margin:18px 3px 9px}
@media(max-width:620px){
  .report-hub-grid{grid-template-columns:1fr}
  .report-hub-wide{grid-column:auto}
  .report-topic-list{grid-template-columns:1fr}
}

.generator-note{background:#f8fafc;box-shadow:none}


/* Biblioteca v1.7 — organizzazione solo per argomenti */
.library-home-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.library-home-card{border:1px solid var(--line);text-align:left;cursor:pointer;display:flex;flex-direction:column;align-items:flex-start;min-height:170px}
.library-home-card:hover,.archive-node:hover{transform:translateY(-1px);box-shadow:0 10px 28px rgba(17,24,39,.08)}
.library-icon{font-size:30px;margin-bottom:18px}.library-home-title{font-size:21px;font-weight:850;margin-bottom:7px}
.archive-breadcrumb{display:flex;align-items:center;gap:7px;flex-wrap:wrap;margin:4px 2px 12px;color:var(--muted);font-size:13px}
.crumb{border:0;background:transparent;padding:3px 0;color:var(--text);font-weight:800;cursor:pointer}
.archive-section-title{font-size:18px;font-weight:850;margin:20px 3px 10px}
.archive-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.archive-grid.compact{grid-template-columns:repeat(3,1fr)}
.archive-node{border:1px solid var(--line);text-align:left;cursor:pointer;min-height:112px;display:flex;flex-direction:column;justify-content:space-between;gap:9px}
.archive-node-title{font-size:17px;font-weight:850}.archive-material{display:flex;align-items:center;justify-content:space-between;gap:12px;cursor:pointer}
.archive-material .map-main{flex:1;min-width:0}.archive-empty{box-shadow:none;background:#fafafa}
input[type=file]{width:100%;border:1px dashed var(--line);border-radius:14px;padding:14px;background:#fff}
@media(max-width:620px){.library-home-grid,.archive-grid,.archive-grid.compact{grid-template-columns:1fr}.archive-node{min-height:96px}}


/* Recall v1.8 — PWA / offline */
.top-actions{display:flex;align-items:center;gap:8px}
.connection-pill{display:inline-flex;align-items:center;gap:5px;border:1px solid var(--line);border-radius:999px;padding:6px 9px;font-size:11px;font-weight:800;background:#fff;color:#166534}
.connection-pill.offline{background:#fff7ed;color:#9a3412;border-color:#fed7aa}
.settings-row{display:flex;align-items:center;justify-content:space-between;gap:12px}
.offline-card{border-left:4px solid #22c55e}
.offline-card.is-offline{border-left-color:#f59e0b}
.offline-note{font-size:13px;color:var(--muted);line-height:1.5;padding:10px 12px;background:#f8fafc;border-radius:12px}
.compact-btn{padding:9px 11px;font-size:13px}
.version-label{text-align:center;padding:5px 0 12px}
.offline-actions{display:flex;gap:8px;align-items:center;flex-wrap:wrap;justify-content:flex-end}
.offline-toggle{border:1px solid var(--line);background:#fff;border-radius:11px;padding:8px 10px;font-size:12px;font-weight:800;cursor:pointer;white-space:nowrap}
.offline-toggle.ready{background:#dcfce7;border-color:#bbf7d0;color:#166534}
.offline-toggle.loading{opacity:.65;cursor:wait}
.device-badge{font-size:11px;padding:5px 8px;border-radius:999px;background:#dcfce7;color:#166534;font-weight:800;white-space:nowrap}
@media(max-width:620px){.connection-pill{display:none}.archive-material{align-items:flex-start}.offline-actions{width:100%;justify-content:flex-start}.archive-material{flex-wrap:wrap}}