:root{
  font-family:Arial,Helvetica,sans-serif;
  color:#1f2937;
  background:#eef4f9;
  --blue:#0a4e8a;
  --blue-dark:#083b67;
  --orange:#f28c28;
  --green:#176b3a;
  --red:#9b1c31;
  --muted:#5b6678;
  --line:#dbe4ec;
}
*{box-sizing:border-box}body{margin:0;background:#eef4f9;color:#1f2937}.topbar{background:var(--blue);color:#fff;padding:14px 24px;display:flex;justify-content:space-between;align-items:center;gap:16px}.brand{display:flex;align-items:baseline;gap:14px;flex-wrap:wrap}.brand strong{font-size:23px}.brand span{opacity:.88;font-size:14px}.topbar nav{display:flex;gap:12px;align-items:center}.topbar nav a,.topbar nav button{color:#fff;background:none;border:0;text-decoration:none;cursor:pointer;font-size:14px;padding:6px}.topbar nav form{margin:0}.dev-banner{background:#fff3cd;color:#6d5200;text-align:center;padding:7px 12px;font-size:12px;border-bottom:1px solid #f1d98a;font-weight:700;letter-spacing:.2px}main{max-width:1180px;margin:28px auto;padding:0 18px}footer{max-width:1180px;margin:34px auto 20px;padding:0 18px;color:#788596;font-size:12px}.card{background:#fff;border-radius:14px;padding:20px;margin:14px 0;box-shadow:0 2px 12px #1d355710;border:1px solid #e4ebf1}.narrow{max-width:650px;margin:40px auto}.login-shell{min-height:62vh;display:flex;align-items:center;justify-content:center}.login-card{width:100%}.login-form input{width:100%;padding:11px;border:1px solid #cfd8e3;border-radius:8px;font-size:15px}.login-form label{font-weight:700}.wide{width:100%;text-align:center}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(290px,1fr));gap:16px}.course-card{text-decoration:none;color:inherit;transition:.15s transform,.15s box-shadow}.course-card:hover{transform:translateY(-2px);box-shadow:0 6px 20px #1d35571a}.course-top,.course-bottom,.page-heading,.module-header{display:flex;justify-content:space-between;align-items:center;gap:16px}.course-bottom{margin-top:8px}.course-bottom span{font-size:12px;color:var(--muted)}.eyebrow{font-size:11px;letter-spacing:1.25px;font-weight:800;color:var(--blue);margin:0 0 6px}.page-heading h1,.module-header h1{margin:2px 0 6px}.page-heading p,.module-header p{margin:0;color:var(--muted)}.button,button.primary{display:inline-block;padding:10px 15px;border-radius:9px;border:1px solid var(--blue);text-decoration:none;cursor:pointer;background:#fff;color:var(--blue);font-weight:700}.button.small{padding:7px 10px;font-size:12px}.primary{background:var(--blue)!important;color:#fff!important}.button.disabled,.disabled-link{pointer-events:none;opacity:.45}.back{color:var(--blue);text-decoration:none;font-size:14px}.stats{display:flex;gap:12px;flex-wrap:wrap;margin:16px 0}.stats.four>div{min-width:150px}.stats div{background:#fff;border-radius:11px;padding:14px;min-width:170px;border:1px solid #e4ebf1}.stats b{display:block;font-size:25px}.stats span{font-size:12px;color:var(--muted)}.progress{height:9px;background:#e7edf3;border-radius:999px;overflow:hidden}.progress span{display:block;height:100%;background:var(--blue);border-radius:999px;transition:width .25s}.progress.thin{height:6px;margin-top:8px}.pill,.status{display:inline-flex;align-items:center;border-radius:999px;padding:5px 9px;background:#edf4fb;color:var(--blue);font-size:11px;font-weight:700}.pill.success{background:#e9f8ef;color:var(--green)}.muted-pill{background:#eef0f2;color:#6b7280}.status-completed,.status-test_ready{background:#e9f8ef;color:var(--green)}.status-in_progress{background:#fff4d6;color:#8a6100}.status-assigned{background:#edf4fb;color:var(--blue)}.status-suspended{background:#fbe5e7;color:var(--red)}.module-row{display:grid;grid-template-columns:42px 1fr auto;gap:14px;align-items:center;padding:16px 0;border-bottom:1px solid #e5e7eb}.module-row:last-child{border-bottom:0}.module-row.locked{opacity:.55}.module-index{width:36px;height:36px;border-radius:50%;background:#edf4fb;color:var(--blue);display:flex;align-items:center;justify-content:center;font-weight:800}.module-main{min-width:0}.module-meta{font-size:12px;color:var(--muted);margin-top:4px}.module-flags{display:flex;gap:6px;flex-wrap:wrap;margin-top:8px}.notice{padding:13px 15px;border-radius:10px;margin:14px 0;line-height:1.45}.notice.info{background:#eaf3fb;border-left:4px solid var(--blue)}.notice.warning{background:#fff4d6;border-left:4px solid #d69a00}.success-box{background:#e9f8ef;border-left:4px solid var(--green)}.final-box{border-left:4px solid var(--green)}.muted{color:var(--muted)}.small-note{font-size:12px;color:var(--muted);line-height:1.45}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:10px;border-bottom:1px solid #e5e7eb;vertical-align:top}th{font-size:12px;color:#566476;background:#f8fafc}.lesson-layout{display:grid;grid-template-columns:minmax(0,1fr) 285px;gap:18px;align-items:start}.sticky{position:sticky;top:18px}.time-box{background:#fff;border:1px solid #dbe4ec;border-radius:12px;padding:10px 14px;text-align:right;min-width:160px}.time-box b{display:block;font-size:23px;color:var(--blue)}.time-box span{font-size:11px;color:var(--muted)}.lesson-content{line-height:1.62}.lesson-hero{display:grid;grid-template-columns:1fr auto;gap:20px;background:linear-gradient(135deg,#eef6fd,#fff7ec);padding:20px;border-radius:12px;margin-bottom:18px}.lesson-hero h2{margin:3px 0 10px}.lead{font-size:17px;color:#344256}.lesson-meta{display:flex;flex-direction:column;gap:3px;min-width:160px}.lesson-meta b{color:var(--blue)}.lesson-meta span{font-size:12px;color:var(--muted);margin-bottom:8px}.lesson-section{padding:8px 0 18px;border-bottom:1px solid #e5e7eb}.lesson-section:last-child{border-bottom:0}.lesson-section h3{color:var(--blue-dark);margin-top:18px}.key-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.key-card{background:#f7fafc;border:1px solid #e1e8ef;border-radius:10px;padding:13px}.key-card b{display:block;color:var(--blue);margin-bottom:5px}.key-card span{font-size:13px}.role-list{display:grid;gap:9px}.role-list>div{display:grid;grid-template-columns:190px 1fr;gap:12px;padding:10px 12px;background:#f8fafc;border-radius:9px}.role-list b{color:var(--blue-dark)}.check-list{padding-left:0;list-style:none}.check-list li{padding:8px 8px 8px 30px;position:relative}.check-list li:before{content:'✓';position:absolute;left:7px;color:var(--green);font-weight:900}.scenario{background:#f7fafc;border:1px solid #dfe7ee;border-radius:11px;padding:15px}.scenario summary{cursor:pointer;color:var(--blue);font-weight:800}.answer-box{margin-top:12px;padding:12px;background:#eaf3fb;border-radius:9px}.flow{display:flex;gap:7px;align-items:center;flex-wrap:wrap;margin:14px 0}.flow span{background:#edf4fb;border-radius:8px;padding:8px 10px;font-size:12px;font-weight:700}.flow i{color:#7b8794}.recap{background:#f7fbf8;border-radius:12px;padding:4px 18px 18px!important;border:1px solid #d8eadf!important}.sources{font-size:13px;color:#536170}.question-card legend{padding:0 6px}.choice{display:flex;align-items:flex-start;gap:8px;padding:10px;border-radius:8px}.choice:hover{background:#f5f8fb}.choice input{margin-top:3px}.feedback{padding:12px;border-radius:9px;margin:10px 0}.feedback.good{background:#eef9f2}.feedback.wrong{background:#fff3f3}.ok{color:var(--green)}.bad{color:var(--red)}
@media(max-width:850px){.lesson-layout{grid-template-columns:1fr}.sticky{position:static}.key-grid{grid-template-columns:1fr}.role-list>div{grid-template-columns:1fr}.lesson-hero{grid-template-columns:1fr}.module-row{grid-template-columns:36px 1fr}.module-row>div:last-child{grid-column:2}.topbar{align-items:flex-start;flex-direction:column}.page-heading,.module-header{align-items:flex-start;flex-direction:column}.time-box{text-align:left}.stats div{flex:1 1 140px}}
.lesson-map{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:9px;margin:12px 0}.lesson-map>div{display:flex;justify-content:space-between;gap:10px;align-items:center;background:#f7fafc;border:1px solid #e1e8ef;border-radius:9px;padding:10px}.lesson-map b{font-size:12px;color:var(--blue-dark)}.lesson-map span{white-space:nowrap;font-size:11px;font-weight:800;color:var(--blue);background:#edf4fb;border-radius:999px;padding:4px 7px}.risk-table{display:grid;gap:9px;margin:12px 0}.risk-table>div{display:grid;grid-template-columns:130px 1fr 1.1fr;gap:12px;align-items:start;background:#f8fafc;border:1px solid #e4ebf1;border-radius:9px;padding:11px}.risk-table b{color:var(--blue-dark)}.risk-table span{font-size:13px}.risk-table em{font-size:12px;color:var(--muted);font-style:normal}.lesson-section details{margin:12px 0}.lesson-section details>summary{cursor:pointer;font-weight:800;color:var(--blue);padding:10px 12px;background:#f7fafc;border:1px solid #e1e8ef;border-radius:9px}.lesson-section details[open]>summary{border-bottom-left-radius:0;border-bottom-right-radius:0}.lesson-section details>.answer-box{margin-top:0;border-top-left-radius:0;border-top-right-radius:0;border:1px solid #d8e6f2;border-top:0}
@media(max-width:850px){.lesson-map{grid-template-columns:1fr}.risk-table>div{grid-template-columns:1fr}}

/* v0.5 - casi reali macchina MZ */
.machine-case{display:grid;grid-template-columns:minmax(260px,.85fr) minmax(0,1.4fr);gap:18px;align-items:start;background:#fbfdff;border:1px solid #dbe7f1;border-radius:13px;padding:17px;margin:14px 0 20px}
.machine-case.reverse{grid-template-columns:minmax(0,1.4fr) minmax(260px,.85fr)}
.machine-case.reverse .machine-photo{order:2}.machine-case.reverse .machine-copy{order:1}
.machine-photo img,.photo-question img{width:100%;height:auto;max-height:460px;object-fit:cover;border-radius:10px;border:1px solid #dce4eb;display:block}
.source-chip{display:inline-block;margin:0 0 8px!important;padding:5px 9px;border-radius:999px;background:#eaf3fb;color:var(--blue)!important;font-size:10px!important;font-weight:900;letter-spacing:.7px}
.source-note{font-size:11px;color:#667587;border-top:1px dashed #d7e0e8;padding-top:9px;margin-top:12px}
.photo-question{display:grid;grid-template-columns:minmax(260px,.9fr) minmax(0,1.2fr);gap:18px;align-items:start;background:#f8fafc;border:1px solid #e1e8ef;border-radius:12px;padding:14px}
.emergency-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:14px 0}.emergency-card{background:#fff8f1;border:1px solid #f1dcc3;border-left:4px solid var(--orange);border-radius:10px;padding:14px}.emergency-card>b{color:#8b4c0c}.emergency-card p{font-size:13px}.emergency-card details{margin:8px 0 0!important}.emergency-card details>summary{background:#fff!important;border-color:#edd9c2!important}
@media(max-width:850px){.machine-case,.machine-case.reverse,.photo-question{grid-template-columns:1fr}.machine-case.reverse .machine-photo,.machine-case.reverse .machine-copy{order:initial}.emergency-grid{grid-template-columns:1fr}}

/* v0.8 - progetto formativo, evidenze e documenti conclusivi */
.project-card{display:flex;justify-content:space-between;align-items:center;gap:18px;border-left:4px solid var(--blue)}
.project-card h2{margin:3px 0 8px}.project-card p{margin:0;color:var(--muted)}
.project-card>div:last-child{white-space:nowrap}.warning-pill{background:#fff4d6;color:#8a6100}
.project-document{line-height:1.58}.project-document h2,.project-document h3{color:var(--blue-dark)}
.project-document table{margin:12px 0}.acceptance-box{border-left:4px solid var(--orange)}
.inline-form{display:inline-block;margin:0 4px}.inline-form button[disabled]{opacity:.5;cursor:not-allowed}
@media(max-width:850px){.project-card{align-items:flex-start;flex-direction:column}.project-card>div:last-child{white-space:normal}}

/* Modulo 1 v1.1: unità progressive, vignette e scelte guidate */
.m1-nav{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;margin:18px 0}
.m1-nav a,.m1-nav>span{min-height:72px;display:flex;align-items:center;gap:10px;background:#fff;border:1px solid #dce7ef;border-radius:11px;padding:10px;color:#23415a;text-decoration:none;font-size:12px}
.m1-nav b{flex:none;width:30px;height:30px;display:grid;place-items:center;background:#e8f2f8;color:#0a4e8a;border-radius:50%;font-size:14px}
.m1-nav span{line-height:1.25}.m1-nav em{margin-left:auto;color:#176b3a;font-style:normal;font-size:19px}
.m1-nav .current{border:2px solid #0a4e8a;box-shadow:0 2px 10px #0a4e8a19}.m1-nav .completed{background:#f4fbf6}.m1-nav .locked{opacity:.52}
.m1-unit h2{font-size:28px;color:#083b67;line-height:1.18;margin:4px 0}.m1-unit .lead{margin:0 0 16px}
.m1-copy p{max-width:78ch}.m1-comic{margin:16px 0 20px;border-radius:14px;overflow:hidden;border:1px solid #dce8ed;background:#edf6fa}
.m1-comic img{display:block;width:100%;height:auto;aspect-ratio:2/1;object-fit:contain}
.m1-comic figcaption{display:flex;gap:10px;justify-content:space-around;background:#f8fbfc;border-top:1px solid #dce8ed;padding:10px 14px;color:#183b55;font-weight:700;font-size:13px}
.m1-comic figcaption span{flex:1;text-align:center}
.m1-copy .scenario{margin:12px 0}.m1-rules{padding-left:26px}.m1-rules li{padding:6px 0}
.m1-check{margin:22px 0 4px;padding:18px;border:2px solid #b6d4e5;background:#f5fafc;border-radius:13px}
.m1-check h3{margin:0;color:#083b67}.m1-check>p{margin:8px 0 14px}
.m1-choices{display:grid;gap:8px}.m1-choice{width:100%;text-align:left;padding:12px 14px;border:1px solid #bad0de;border-radius:9px;background:#fff;color:#1f3345;cursor:pointer;line-height:1.4;font-size:14px}
.m1-choice:hover,.m1-choice:focus-visible{border-color:#0a4e8a;background:#eaf3fb;outline:2px solid transparent}.m1-choice b{color:#0a4e8a}
#m1-feedback{margin-bottom:0}.m1-good{color:#176b3a;font-weight:700}.m1-retry{color:#8a4c12;font-weight:700}
.progress-card hr{border:0;border-top:1px solid #e3ecf1;margin:16px 0}
@media(max-width:900px){.m1-nav{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:550px){.m1-nav{grid-template-columns:1fr}.m1-nav a,.m1-nav>span{min-height:48px}.m1-comic figcaption{flex-direction:column}.m1-unit h2{font-size:23px}}