/* Course layer; palette and sidebar structure inherited from the supplied reference. */
.handbook-download{display:flex;align-items:center;gap:8px;margin-top:14px;padding:10px 11px;border:1px solid rgba(15,118,110,.25);border-radius:7px;background:rgba(15,118,110,.06);color:#0f766e;font-size:11px;font-weight:600;line-height:1.4}.handbook-download:hover{background:rgba(15,118,110,.13);color:#0b5f58}.handbook-download svg{flex-shrink:0}.pdf-badge{margin-left:auto;font-size:8px;letter-spacing:.5px;background:#fff;padding:2px 4px;border-radius:3px;border:1px solid rgba(15,118,110,.15)}
.visual-guide{margin:26px 0}.visual-guide .reveal-body{padding:20px}.visual-guide h3{margin:28px 0 15px}.photo-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin:16px 0 24px}.lab-photo{margin:0;border:1px solid var(--border);border-radius:9px;overflow:hidden;background:var(--bg-2);min-width:0}.screenshot-link{display:block;position:relative;background:#080f19;padding:10px}.screenshot-link img{width:100%;height:185px;object-fit:contain}.photo-zoom{display:block;text-align:right;font-size:10px;color:var(--gold-light);margin-top:8px}.lab-photo figcaption{padding:15px}.lab-photo figcaption strong{display:block;font-size:12px;font-weight:600;color:var(--text);margin-bottom:7px}.lab-photo figcaption span{display:block;font-size:11px;line-height:1.8;color:var(--text-muted)}.result-photos{margin:24px 0}.photo-dialog{margin:auto;width:min(96vw,1600px);max-height:94vh;padding:18px;border:1px solid var(--border-gold);border-radius:12px;background:var(--bg-2);color:var(--text);overflow:auto}.photo-dialog::backdrop{background:rgba(0,0,0,.85)}.photo-dialog img{width:100%;max-height:75vh;object-fit:contain;margin:12px auto;background:#080f19}.photo-dialog p{font-size:12px;line-height:1.7;margin-top:12px}.photo-dialog button{display:block;margin-left:auto;padding:9px 15px;border-radius:6px;background:var(--gold);color:var(--bg);font-weight:600}@media(max-width:650px){.photo-grid{grid-template-columns:1fr}.screenshot-link img{height:220px}.visual-guide .reveal-body{padding:14px}}@media print{.photo-dialog{display:none!important}.photo-grid{grid-template-columns:1fr 1fr}.lab-photo{break-inside:avoid;background:#fff;border-color:#ccc}.lab-photo figcaption strong,.lab-photo figcaption span{color:#111}.photo-zoom{display:none}.screenshot-link{background:#fff}.screenshot-link img{height:auto;max-height:200px}.visual-guide:not([open]){display:none}}
@media print{td select.field{display:none!important}}
body{font-family:'Outfit','Segoe UI',sans-serif}button,input,textarea,select{font:inherit}button,a,input,textarea,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:default}a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid var(--teal);outline-offset:4px}button{border:0}.skip-link{position:fixed;top:-100px;left:16px;z-index:500;padding:10px 18px;background:var(--gold);color:var(--bg)}.skip-link:focus{top:10px}.brand{display:flex;gap:13px;align-items:center;color:#20263b;font-size:30px;font-weight:800;letter-spacing:1px;line-height:1}.brand:hover{color:#20263b}.brand-plus{color:#0f766e}.brand small{display:block;font-size:9px;font-weight:700;letter-spacing:3.1px;margin-top:8px;color:var(--sidebar-muted)}.rack-icon{display:flex;flex-direction:column;gap:4px;width:35px}.rack-icon i{height:10px;background:#0f766e;border-radius:2px;position:relative}.rack-icon i:before{content:'';position:absolute;left:5px;top:4px;width:3px;height:3px;border-radius:50%;background:#f1eee8}.rack-icon i:after{content:'';position:absolute;right:5px;top:4px;width:11px;height:2px;background:#9bccc5}.sidebar-header{padding:28px 22px 20px}.sidebar-day-badge{margin-top:20px;font-size:10.5px;padding:5px 9px}.sb-item{min-height:43px}.sb-item-icon{font-family:Consolas,monospace;font-size:12px;font-weight:700}.sb-section-header{width:100%;text-align:left;background:transparent}.sb-chevron{font-size:13px;height:auto;line-height:1}.sb-sub-item{padding:8px;align-items:flex-start}.sb-sub-title{white-space:normal;font-size:11.5px;line-height:1.4}.sb-sub-icon{font-family:Consolas,monospace;font-size:10px;margin-top:2px;color:var(--sidebar-muted)}.sb-sub-item.complete .sb-sub-icon{color:#0f766e}.sb-sub-item.active{border-left:2px solid #0f766e}.local-note{font-size:10px;color:var(--sidebar-muted);margin-top:9px}.local-note a{color:#0f766e;text-decoration:underline}.sidebar-progress-fill{width:0}.topbar{height:65px;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:0 44px;border-bottom:1px solid var(--border);background:var(--bg)}.topbar-label{font-size:9px;letter-spacing:1.5px;color:var(--text-muted);font-weight:600}.top-actions{display:flex;align-items:center;gap:20px}.save-state{font-size:10px;color:var(--text-muted)}.save-state:before{content:'';display:inline-block;width:5px;height:5px;border-radius:50%;background:var(--sage);margin-right:6px}.text-button{background:transparent;color:var(--text);font-size:11px;padding:7px 0}.text-button:hover{color:var(--gold)}.page-hero{padding:42px 44px 36px}.page-hero:before{left:auto;right:-60px;top:-160px;width:500px;height:500px;opacity:.55}.eyebrow{color:var(--gold);font-size:10px;letter-spacing:2px;font-weight:700;text-transform:uppercase;margin-bottom:15px}.page-hero h1{font-size:clamp(30px,3.8vw,48px);letter-spacing:-1.3px;font-weight:600;max-width:800px;line-height:1.12}.page-hero h1 em{font-style:normal;color:var(--gold-light)}.page-hero p.lead{max-width:650px;font-size:14px;line-height:1.8;margin-top:18px}.hero-tags{gap:8px;margin-top:23px}.hero-tag{font-size:10px;padding:4px 11px}.content-area{padding:32px 44px;max-width:1280px}.content-area h2{font-size:20px;margin:32px 0 16px;letter-spacing:-.3px}.content-area h2:first-child{margin-top:0}.content-area h3{margin:0 0 10px;font-size:15px}.content-area p{font-size:13px}.section-kicker{color:var(--text-muted);font-size:10px;font-weight:600;letter-spacing:1.5px;text-transform:uppercase}.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--border);border:1px solid var(--border);border-radius:10px;overflow:hidden;margin-bottom:30px}.stat{padding:20px;background:var(--bg)}.stat strong{display:block;color:var(--gold-light);font-size:26px;font-weight:500;line-height:1.3}.stat span{font-size:10px;letter-spacing:.5px;color:var(--text-muted)}.intro-grid{display:grid;grid-template-columns:1.3fr 1fr;gap:22px}.panel{background:var(--bg-2);border:1px solid var(--border);border-radius:12px;padding:25px;margin-bottom:22px}.panel p:last-child{margin-bottom:0}.scenario{border-top:2px solid var(--gold)}.scenario h2{margin:9px 0 13px}.scenario h2:after{display:none}.scenario p{color:var(--text-muted)}.topology{display:flex;flex-direction:column;align-items:center;padding:13px 0 4px;gap:10px}.machine{border:1px solid var(--border-gold);background:var(--gold-dim);border-radius:8px;padding:11px 18px;text-align:center;min-width:125px}.machine strong{font-family:Consolas,monospace;font-size:13px;color:var(--gold-light);display:block}.machine small{font-size:10px;color:var(--text-muted)}.wire{width:1px;height:15px;background:var(--gold)}.network-line{font-size:9px;letter-spacing:.5px;color:var(--teal);border-top:1px solid #3db8b050;padding-top:8px;width:100%;text-align:center}.clients{display:flex;gap:15px}.clients .machine{border-color:#3db8b040;background:var(--teal-dim);min-width:110px}.clients .machine strong{color:var(--teal)}.button{display:inline-flex;align-items:center;justify-content:center;gap:16px;padding:10px 16px;border-radius:6px;background:var(--gold);color:#111d2e;font-size:12px;font-weight:700;border:1px solid var(--gold);text-decoration:none;line-height:1.5}.button:hover{background:var(--gold-light);color:#111d2e}.button.secondary{background:transparent;border-color:var(--border-gold);color:var(--gold-light)}.button.secondary:hover{background:var(--gold-dim)}.button.danger{border-color:#e05c6a70;color:var(--rose);background:transparent}.button-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}.day-cards{display:grid;grid-template-columns:1fr 1fr;gap:20px}.day-card{padding:25px;border:1px solid var(--border);border-radius:12px;background:var(--bg-2);transition:border-color .2s;position:relative}.day-card:hover{border-color:var(--border-gold)}.day-card .day-number{font-size:10px;letter-spacing:1.8px;color:var(--gold);font-weight:700}.day-card h3{font-size:22px;font-weight:500;margin-top:12px}.day-card p{color:var(--text-muted);margin:0 0 16px}.day-card .card-bottom{display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--border);padding-top:14px;font-size:10px;color:var(--text-muted)}.day-card a{font-size:12px;font-weight:600}.notice{font-size:12px;line-height:1.8;background:var(--teal-dim);border-left:3px solid var(--teal);border-radius:0 8px 8px 0;padding:15px 18px;color:var(--text);margin:20px 0}.notice.gold{background:var(--gold-dim);border-color:var(--gold)}.notice strong{color:var(--teal)}.notice.gold strong{color:var(--gold-light)}.course-table{width:100%;border-collapse:collapse;font-size:12px;margin:12px 0 20px}.course-table th{text-align:left;font-size:9px;letter-spacing:1px;text-transform:uppercase;color:var(--text-muted);font-weight:600;padding:12px;border-bottom:1px solid var(--border-gold)}.course-table td{padding:13px 12px;border-bottom:1px solid var(--border);vertical-align:top}.course-table td:first-child{color:var(--gold-light)}.course-table code,code{font-family:Consolas,monospace;font-size:.9em;color:#aad9d3;overflow-wrap:anywhere}.table-wrap{overflow-x:auto}.schedule{display:flex;flex-direction:column;gap:9px}.schedule-row{display:grid;grid-template-columns:45px 1fr 70px;gap:14px;align-items:center;border:1px solid var(--border);border-radius:8px;padding:15px 18px;background:var(--bg-2);color:var(--text)}.schedule-row:hover{border-color:var(--border-gold);color:var(--text)}.schedule-row .num{font-family:Consolas,monospace;color:var(--gold);font-size:13px}.schedule-row strong{display:block;font-size:13px;font-weight:500}.schedule-row small{font-size:10px;color:var(--text-muted)}.schedule-row .duration{text-align:right;font-size:11px;color:var(--text-muted)}.schedule-row.session{background:transparent;border-style:dashed}.schedule-row.session .num{color:var(--teal)}.lab-grid{display:grid;grid-template-columns:minmax(0,1fr) 240px;gap:26px;align-items:start}.lab-main{min-width:0}.lab-rail{position:sticky;top:22px}.rail-card{border:1px solid var(--border);border-radius:10px;background:var(--bg-2);padding:20px;margin-bottom:15px}.rail-card .section-kicker{font-size:9px}.rail-card p{font-size:12px;color:var(--text-muted);line-height:1.7;margin-top:10px}.rail-number{font-size:30px;color:var(--gold-light);line-height:1;margin:12px 0}.rail-number small{font-size:12px;color:var(--text-muted)}.progress-track{background:var(--bg-3);height:5px;border-radius:5px;overflow:hidden;margin-top:12px}.progress-track span{display:block;height:100%;background:var(--teal);transition:width .2s}.clean-list{padding-left:18px;font-size:12px;line-height:1.9;color:var(--text-muted)}.clean-list li{padding-left:4px;margin:5px 0}.task-steps{list-style:none;padding:0;counter-reset:steps;display:flex;flex-direction:column;gap:17px;margin:20px 0 28px}.task-steps li{counter-increment:steps;display:flex;gap:13px;font-size:13px;line-height:1.8}.task-steps li:before{content:counter(steps,decimal-leading-zero);font-family:Consolas,monospace;color:var(--gold);font-size:11px;min-width:25px;padding-top:3px}.outcome{padding:19px 22px;border:1px solid var(--border-gold);border-radius:10px;background:var(--gold-dim);margin-bottom:25px}.outcome .section-kicker{color:var(--gold)}.outcome p{margin:8px 0 0;color:var(--text);font-size:14px}.checks{display:flex;flex-direction:column;gap:0;border:1px solid var(--border);border-radius:10px;overflow:hidden;margin-bottom:14px}.check-row{display:flex;align-items:flex-start;gap:12px;padding:14px 17px;border-bottom:1px solid var(--border);font-size:12px;line-height:1.7;background:var(--bg-2);cursor:pointer}.check-row:last-child{border-bottom:0}.check-row:hover{background:var(--bg-3)}.check-row:has(input:checked){color:#a3c9b0}.check-row input{accent-color:#3db8b0;width:16px;height:16px;margin-top:3px;flex-shrink:0;cursor:pointer}.helper{font-size:11px!important;color:var(--text-muted)!important}.reveal{border:1px solid var(--border);border-radius:9px;margin:10px 0;background:var(--bg-2);overflow:hidden}.reveal summary{cursor:pointer;padding:15px 18px;font-size:12px;color:var(--text);font-weight:500;list-style-position:inside}.reveal[open] summary{border-bottom:1px solid var(--border);color:var(--gold-light)}.reveal-body{padding:17px 20px}.reveal-body p{font-size:12px;color:var(--text-muted)}.trainer-reveal{border-color:var(--border-gold);margin-top:26px}.trainer-reveal summary{color:var(--gold)}.command{background:#080f19;padding:12px 15px;border-radius:6px;border:1px solid var(--border);overflow-x:auto;margin:8px 0;font-size:12px;white-space:pre-wrap;word-break:break-word}.field-label{display:block;font-size:11px;color:var(--text-muted);margin:14px 0 7px}.field{width:100%;border:1px solid #ffffff20;border-radius:6px;background:var(--bg);color:var(--text);padding:11px 13px;font-size:12px}.field::placeholder{color:#718197}textarea.field{resize:vertical;min-height:110px;line-height:1.8}.field option{background:var(--bg-2)}.lab-nav{display:flex;align-items:center;justify-content:space-between;gap:12px;border-top:1px solid var(--border);padding-top:25px;margin-top:35px}.lab-nav a{font-size:12px}.lab-nav small{display:block;font-size:9px;color:var(--text-muted);margin-bottom:4px;text-transform:uppercase;letter-spacing:1px}.course-footer{display:flex;justify-content:space-between;gap:15px;padding:24px 44px;border-top:1px solid var(--border);font-size:10px;color:var(--text-muted)}.main-content{padding-bottom:0}.reference-link{display:block;border-bottom:1px solid var(--border);padding:17px 0}.reference-link strong{font-size:13px;color:var(--gold-light);font-weight:500}.reference-link p{font-size:12px;color:var(--text-muted);margin:5px 0 0}.status-chip{display:inline-flex;padding:3px 8px;border-radius:4px;font-size:9px;line-height:1.6;background:var(--teal-dim);color:var(--teal);white-space:nowrap}.status-chip.pending{background:var(--gold-dim);color:var(--gold-light)}.review-summary{display:grid;grid-template-columns:1fr 1fr;gap:16px}.empty{color:var(--text-muted);font-size:12px;padding:15px 0}.noscript{position:fixed;inset:70px 20px auto;padding:30px;background:var(--bg-2);z-index:300}.badge-complete{color:var(--sage);font-size:11px;margin:10px 0;min-height:16px}.step-links{display:flex;gap:10px;flex-wrap:wrap;margin-top:12px}.step-links a{border:1px solid var(--border);border-radius:5px;padding:6px 10px;font-size:11px}.hidden{display:none!important}.completion-note{color:var(--teal)!important}.print-heading{display:none}
@media(min-width:1450px){.content-area{padding:40px 58px}.page-hero{padding:48px 58px}.topbar{padding:0 58px}}
@media(max-width:1150px){.lab-grid{grid-template-columns:minmax(0,1fr)}.lab-rail{position:static;display:grid;grid-template-columns:1fr 1fr;gap:15px}.lab-rail .rail-card{margin-bottom:0}.intro-grid{grid-template-columns:1fr}.topbar-label{font-size:8px;letter-spacing:.7px}.topbar{padding:0 28px}.page-hero{padding:35px 28px}.content-area{padding:28px}.save-state{display:none}}
@media(max-width:900px){#sidebar{transform:translateX(-100%)}#sidebar.open{transform:translateX(0)}.main-content{margin-left:0}.sidebar-toggle{display:flex;top:11px;right:16px}.sidebar-overlay.visible{display:block}.topbar{padding:0 76px 0 23px}.topbar-label{font-size:8px}.day-cards{gap:14px}.course-footer{padding:22px 28px}.page-hero h1{font-size:40px}}
@media(max-width:560px){.page-hero{padding:29px 21px}.page-hero h1{font-size:33px}.content-area{padding:24px 20px}.stats-grid{grid-template-columns:1fr 1fr}.stat{padding:15px 18px}.day-cards,.review-summary{grid-template-columns:1fr}.lab-rail{grid-template-columns:1fr}.topbar-label{max-width:190px;line-height:1.5}.topbar{gap:4px}.course-footer{flex-direction:column;padding:20px}.schedule-row{padding:13px;grid-template-columns:28px 1fr 48px;gap:9px}.panel{padding:20px}.hero-tags{gap:6px}.hero-tag{font-size:9px;padding:4px 8px}.lab-nav{align-items:flex-start}.lab-nav a{max-width:46%}.course-table{min-width:420px}.button{padding:10px 13px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
@media print{#sidebar,.sidebar-toggle,.sidebar-overlay,.topbar,.button-row,.lab-nav,.course-footer,.text-button,.step-links{display:none!important}.main-content{margin:0!important}.page-hero{padding:15px 0;background:white!important}.page-hero:before{display:none}.content-area{padding:15px 0;max-width:none}.page-hero h1,.page-hero h1 em,.content-area h2,.content-area h3,.panel p,.outcome p,.reveal-body p,.check-row,.task-steps,.course-table td,.clean-list,body{color:#111!important}.page-hero p.lead,.section-kicker,.helper{color:#444!important}.panel,.outcome,.rail-card,.reveal,.check-row,.stat,.day-card,.schedule-row{background:#fff!important;border-color:#ccc!important;box-shadow:none!important}.lab-grid,.intro-grid{display:block}.lab-rail{position:static;display:block}.reveal:not([open]){display:none}.lab-rail .rail-card{margin-top:15px}.command{background:#f5f5f5!important;color:#111!important}.command code,code{color:#174a45!important}.field{background:#fff;color:#111;border-color:#ccc}.hero-tags{display:none}.course-table{min-width:0}.table-wrap{overflow:visible}.checks,.panel,.outcome{break-inside:avoid}.check-row{break-inside:avoid}.save-state{display:none}a{color:#174a45}.print-heading{display:block}}