.academy-overlay{position:fixed;inset:72px 0 0 var(--sidebar);z-index:40;background:rgba(4,12,21,.93);backdrop-filter:blur(14px);display:none;overflow:auto}
    .academy-overlay.open{display:block}
    .academy-page{max-width:1360px;margin:0 auto;padding:32px}
    .academy-toolbar{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:24px}
    .academy-toolbar h2{margin:0;font-size:30px}
    .academy-toolbar p{margin:5px 0 0;color:#9fb4c8}
    .academy-close{width:42px;height:42px;display:grid;place-items:center;border-radius:8px;border:1px solid #29435a;background:#0d1d2e;cursor:pointer}
    .academy-card{border:1px solid #294259;background:linear-gradient(180deg,#0d1e30,#091725);border-radius:14px;box-shadow:var(--shadow)}
    .academy-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
    .academy-module{padding:20px;cursor:pointer;transition:.18s}
    .academy-module:hover{transform:translateY(-2px);border-color:#2789ca}
    .academy-module-head{display:flex;align-items:center;gap:12px;margin-bottom:13px}
    .academy-module-head i{color:var(--blue)}
    .academy-module h3{margin:0;font-size:18px}
    .academy-muted{color:#9fb4c8}
    .academy-progress{height:9px;border-radius:999px;background:#21364a;overflow:hidden;margin:14px 0 8px}
    .academy-progress span{display:block;height:100%;background:linear-gradient(90deg,#1f9ded,#37c1ff);border-radius:inherit}
    .lesson-list{display:grid;gap:10px}
    .lesson-item{display:grid;grid-template-columns:36px 1fr auto;align-items:center;gap:12px;padding:13px 15px;border:1px solid #294259;background:#0a1a2a;border-radius:9px;cursor:pointer}
    .lesson-item:hover{border-color:#2d8cc9}
    .lesson-index{width:31px;height:31px;border-radius:50%;display:grid;place-items:center;background:#102b42;color:#39b9ff;font-weight:700}
    .lesson-meta{font-size:11px;color:#8ea7bd;margin-top:4px}
    .academy-content{padding:24px}
    .academy-content h3{font-size:20px;margin:24px 0 8px}
    .academy-content p,.academy-content li{color:#b7c7d6;line-height:1.7}
    .objective-list{display:grid;gap:8px;padding:0;list-style:none}
    .objective-list li{display:flex;gap:9px;align-items:flex-start}
    .objective-list li:before{content:"✓";color:var(--green);font-weight:900}
    .academy-code{font:500 12px/1.8 "JetBrains Mono",monospace;background:#050e17;border:1px solid #263e53;border-radius:8px;padding:16px;color:#48dcae;white-space:pre-wrap}
    .academy-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px}
    .academy-secondary{min-height:42px;padding:0 16px;border:1px solid #31506a;background:#102238;border-radius:7px;cursor:pointer}
    .quiz-question{padding:20px;margin-bottom:15px}
    .quiz-question h3{margin:0 0 16px;font-size:17px}
    .answer{display:flex;align-items:flex-start;gap:10px;padding:11px 12px;margin:7px 0;border:1px solid #2b4359;border-radius:8px;background:#0a1928;cursor:pointer}
    .answer:hover{border-color:#2b8bc9}
    .answer input{margin-top:3px}
    .quiz-feedback{margin-top:14px;padding:13px;border-radius:8px;background:#0b2131;border:1px solid #24506e;color:#b9d5e9;display:none}
    .quiz-feedback.show{display:block}
    .lab-textarea{width:100%;min-height:150px;resize:vertical;border:1px solid #294259;border-radius:9px;background:#071522;color:#e3edf5;padding:14px;outline:none}
    .lab-textarea:focus{border-color:#219eea}
    .status-pill{display:inline-flex;align-items:center;gap:6px;padding:5px 9px;border-radius:999px;background:#123049;color:#6bc8ff;font-size:11px}
    .progress-kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .progress-kpi{padding:22px}.progress-kpi strong{display:block;font-size:30px}.progress-kpi span{color:#a7bacd}
    .search-results{display:grid;gap:10px}
    .search-result{padding:14px 16px;border:1px solid #294259;border-radius:9px;background:#0b1b2b;cursor:pointer}
    .search-result:hover{border-color:#2e8fcf}

    .knowledge-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
    .knowledge-card{padding:20px;cursor:pointer}
    .knowledge-card:hover{border-color:#2f91ce}
    .knowledge-card .academy-module-head{margin-bottom:8px}
    .cheat-list{display:grid;gap:9px;padding:0;list-style:none;margin:18px 0 0}
    .cheat-list li{display:flex;gap:10px;color:#b9c9d8;line-height:1.55}
    .cheat-list li:before{content:"›";color:var(--cyan);font-weight:800}
    .exam-list{display:grid;gap:14px}
    .exam-card{padding:20px}
    .exam-head{display:flex;align-items:flex-start;justify-content:space-between;gap:14px}
    .exam-status{padding:5px 9px;border-radius:999px;font-size:11px;background:#122c43;color:#70cfff}
    .exam-status.passed{background:#12362f;color:#55ddb1}
    .history-list{display:grid;gap:8px}
    .history-item{display:grid;grid-template-columns:38px 1fr auto;gap:12px;align-items:center;padding:11px 0;border-top:1px solid #243a4d}
    .history-item:first-child{border-top:0}
    .history-icon{width:34px;height:34px;border-radius:8px;background:#10283d;color:#39b9ff;display:grid;place-items:center}
    .xp-bar{height:10px;background:#21364a;border-radius:999px;overflow:hidden;margin-top:9px}
    .xp-bar span{display:block;height:100%;background:linear-gradient(90deg,#24a8ff,#43d7ff)}
    @media(max-width:820px){.knowledge-grid{grid-template-columns:1fr}.history-item{grid-template-columns:38px 1fr}.history-item time{grid-column:2}}

    @media(max-width:820px){.academy-overlay{inset:72px 0 0 0}.academy-page{padding:20px 14px}.academy-grid{grid-template-columns:1fr}.progress-kpis{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:520px){.progress-kpis{grid-template-columns:1fr}.lesson-item{grid-template-columns:36px 1fr}.lesson-item>.status-pill{grid-column:2}}

.admin-input{
  width:100%;
  min-height:42px;
  margin:6px 0 14px;
  padding:0 12px;
  color:#e7f0f8;
  background:#071522;
  border:1px solid #294259;
  border-radius:8px;
  outline:none;
}
.admin-input:focus{border-color:#219eea;box-shadow:0 0 0 2px rgba(33,158,234,.08)}
select.admin-input{appearance:auto}
.admin-divider{border:0;border-top:1px solid #294259;margin:24px 0}

.skill-grid{display:grid;gap:12px}
.skill-row{
  display:grid;
  grid-template-columns:minmax(0,1fr) auto;
  gap:8px 14px;
  align-items:center;
  padding:12px 0;
  border-top:1px solid #243a4d;
}
.skill-row:first-child{border-top:0}
.skill-row .academy-progress{grid-column:1 / -1;margin:0}
.certificate-card{
  max-width:860px;
  margin:30px auto;
  text-align:center;
  padding:54px 42px;
  position:relative;
  overflow:hidden;
}
.certificate-card:before{
  content:"";
  position:absolute;
  inset:14px;
  border:1px solid rgba(57,198,255,.35);
  border-radius:10px;
  pointer-events:none;
}
.certificate-mark{
  width:86px;
  height:86px;
  margin:0 auto 18px;
  display:grid;
  place-items:center;
  border-radius:50%;
  background:#0b2941;
  color:var(--cyan);
  border:1px solid #2e85ba;
}
.certificate-card h2{font-size:34px;margin:8px 0 16px}
.certificate-name{font-size:28px;font-weight:800;margin:28px 0 6px}
@media print{
  body *{visibility:hidden!important}
  .certificate-card,.certificate-card *{visibility:visible!important}
  .certificate-card{position:absolute;inset:0;max-width:none;margin:0;background:white!important;color:black!important;box-shadow:none;border:0}
  .certificate-card .academy-muted{color:#444!important}
  .certificate-card .academy-actions{display:none!important}
}

.lesson-video{margin:18px 0 24px}
.video-head{display:flex;justify-content:space-between;gap:12px;margin-bottom:10px}
.video-frame{position:relative;width:100%;aspect-ratio:16/9;border-radius:12px;overflow:hidden;border:1px solid #294259;background:#02070d}
.video-frame iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.is-locked{opacity:.55;filter:saturate(.45)}
.is-locked:hover{border-color:#294259!important}
.locked-module{text-align:center;padding:42px 28px}
.lock-symbol{width:72px;height:72px;margin:0 auto 16px;border-radius:18px;display:grid;place-items:center;background:#10283d;color:#7d96aa;border:1px solid #294259}
@media(max-width:600px){
  .video-frame{border-radius:9px}
  .locked-module{padding:30px 18px}
}

.video-fallback{
  display:inline-flex;
  margin-top:9px;
  color:#59c7ff;
  font-size:12px;
  text-decoration:none;
}
.video-fallback:hover{text-decoration:underline}

.exam-instructions{
  display:flex;
  flex-direction:column;
  gap:5px;
  padding:16px 18px;
  margin-bottom:16px;
  border-left:3px solid var(--cyan);
}
.exam-instructions span{color:#a9bfd1;line-height:1.5}
.exam-question-head{display:flex;justify-content:space-between;gap:10px;align-items:center;margin-bottom:10px}
.exam-meta-grid{display:flex;gap:14px;flex-wrap:wrap;margin:14px 0;color:#9fb6c9;font-size:12px}
.exam-meta-grid span{display:inline-flex;align-items:center;gap:6px}
.exam-last{margin:10px 0;color:#b7c7d6}
.exam-remediation{margin:12px 0;padding:12px;border:1px solid #7a5a25;background:#2a2112;border-radius:8px;color:#f3cc7b}
.exam-remediation span{color:#d6b979}
.exam-result{border-width:1px}
.exam-result.mastered{border-color:#2fc998}
.exam-result.passed{border-color:#258fd0}
.exam-result.review{border-color:#d69b35}
.exam-result.failed{border-color:#c95e70}
.exam-card .btn-primary:disabled{opacity:.45;cursor:not-allowed;filter:saturate(.4)}
@media(max-width:600px){
  .exam-question-head{align-items:flex-start}
  .exam-meta-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}
}

.competency-block,.interactive-visual{margin:18px 0;padding:18px;border:1px solid #294259;border-radius:12px;background:linear-gradient(180deg,#0b1e30,#091725)}
.competency-title{font-weight:800;color:#5ac8ff;margin-bottom:7px}
.competency-block p{margin:0 0 12px}
.competency-tags{display:flex;flex-wrap:wrap;gap:8px}
.competency-tags span{padding:6px 9px;border-radius:999px;background:#102a40;border:1px solid #2a4b63;color:#b7cad8;font-size:11px}
.visual-head{display:flex;justify-content:space-between;gap:12px;align-items:flex-start;margin-bottom:14px}
.visual-stage{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px}
.visual-node{min-height:78px;padding:12px;border:1px solid #2a4358;border-radius:10px;background:#0a1928;color:#dce8f2;text-align:left;cursor:pointer;transition:.18s ease}
.visual-node:hover,.visual-node.active{border-color:#27a9f5;background:#0d2940;transform:translateY(-1px)}
.visual-index{display:inline-grid;place-items:center;width:24px;height:24px;border-radius:50%;background:#123652;color:#58c8ff;font-weight:800;margin-right:7px}
.visual-detail{margin-top:12px;padding:11px 12px;border-radius:8px;background:#06111d;color:#a9c3d5;min-height:42px}
.lab-check-question{margin:14px 0;padding:16px;border:1px solid #294259;border-radius:10px;background:#091827}
@media(max-width:600px){.visual-stage{grid-template-columns:1fr}.competency-tags{display:grid}.visual-head{flex-direction:column}}

.track-roadmap{display:grid;gap:10px;margin-top:14px}
.track-card{display:grid;grid-template-columns:42px minmax(0,1fr);gap:12px;padding:14px;border:1px solid #294259;border-radius:11px;background:#091827}
.track-card.active{border-color:#2b9ed9;background:linear-gradient(90deg,#0b2235,#091827)}
.track-card.planned{opacity:.72}
.track-order{width:36px;height:36px;display:grid;place-items:center;border-radius:50%;background:#123652;color:#5ac8ff;font-weight:800}
.track-card strong{font-size:14px}
.track-card p{margin:5px 0 9px;color:#9fb6c9;font-size:12px;line-height:1.45}
.final-exam-card{border-color:#326e92;background:linear-gradient(135deg,#0c2337,#0a1928)}
@media(max-width:600px){.track-card{grid-template-columns:34px minmax(0,1fr)}.track-order{width:30px;height:30px}}

/* Build 45: manufacturer learning and private case workshop */
.learning-track-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-top:20px}
.learning-lesson-button{display:flex;gap:14px;width:100%;align-items:flex-start;text-align:left;padding:15px;background:#142535;border:1px solid #35526b;border-radius:10px;color:#f1f5f9;cursor:pointer;font:inherit}
.learning-lesson-button:hover,.learning-lesson-button:focus-visible{border-color:#69c1ff;background:#19334b;outline:2px solid transparent}
.learning-lesson-button .lesson-meta{margin-top:7px;color:#c2d3e2}.learning-search{display:flex;gap:12px;align-items:center}.learning-search .admin-input{flex:1;margin:8px 0}
.learning-question{margin:18px 0;padding:16px;border:1px solid #49677f;border-radius:10px;color:#edf4fa}.learning-question legend{padding:0 8px;font-weight:600}.learning-question label{display:block;margin:12px 0;line-height:1.6}.learning-question input,.learning-check input{margin-right:9px;accent-color:#72c9ff}
.learning-check{display:flex;align-items:flex-start;gap:8px;margin:18px 0;line-height:1.7}.learning-feedback{padding:14px;margin-top:16px;border-radius:8px;background:#13354b;color:#edf5ff}.learning-feedback.error{background:#4c2530;color:#ffe6e6}.learning-feedback:empty{display:none}
.academy-content details{margin:16px 0}.academy-content summary{cursor:pointer;color:#d8ecff;font-weight:600;line-height:1.6}.academy-content pre.academy-code{white-space:pre-wrap;overflow-wrap:anywhere;font-size:13px}.academy-content p{overflow-wrap:anywhere}.academy-content .admin-input{max-width:100%}
@media(max-width:850px){.learning-track-grid{grid-template-columns:1fr}.learning-search{flex-wrap:wrap}.learning-search .admin-input{min-width:100%}}