:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--bg:#f4f6f9;--surface:#fff;--text:#17212b;--muted:#4a5666;--border:#d6dce4;--primary:#0b4f6c;--primary-strong:#073a50;--primary-soft:#e3eef4;--focus:#0b57d0;--demo-bg:#ffd24a;--demo-text:#2b2100;--draft-bg:#f1e8fb;--draft-text:#54287a;--pending-bg:#fff1cc;--pending-text:#614600;--example-bg:#e4ecf6;--example-text:#23456b;--neutral-bg:#eceff3;--neutral-text:#3a4552;--warning-bg:#fff8e5;--warning-border:#d9a520;--radius:10px;--shadow:0 1px 2px #1018280f;--sidebar-width:250px;font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,sans-serif;line-height:1.5}*,:before,:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{background:var(--bg);min-height:100vh;color:var(--text);flex-direction:column;margin:0;display:flex}h1,h2,h3{margin:0 0 .5rem;line-height:1.25}h1{font-size:clamp(1.6rem,1.3rem + 1.2vw,2rem)}h2{font-size:1.2rem}h3{font-size:1.05rem}p{margin:0 0 .75rem}a{color:var(--primary)}a:hover{color:var(--primary-strong)}:focus-visible{outline:3px solid var(--focus);outline-offset:2px}.visually-hidden{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;position:absolute!important}.skip-link{z-index:100;background:var(--surface);color:var(--primary-strong);border:2px solid var(--primary);border-radius:var(--radius);padding:.6rem 1rem;font-weight:600;position:absolute;top:-100px;left:1rem}.skip-link:focus{top:.75rem}.demo-banner{background:var(--demo-bg);color:var(--demo-text);text-align:center;flex-wrap:wrap;justify-content:center;gap:.25rem .75rem;padding:.5rem 1rem;font-size:.9rem;display:flex}.demo-banner strong{letter-spacing:.04em}.site-header{background:var(--primary);color:#fff;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:.5rem 1rem;padding:.75rem 1.25rem;display:flex}.brand{color:#fff;align-items:center;gap:.6rem;font-size:1.1rem;font-weight:700;text-decoration:none;display:inline-flex}.brand:hover{color:#fff}.brand:focus-visible{outline-color:#fff}.brand-mark{width:2rem;height:2rem;color:var(--primary);background:#fff;border-radius:8px;place-items:center;font-weight:800;display:inline-grid}.brand-sub{font-weight:400}.header-persona{margin:0;font-size:.9rem}.header-persona-role{opacity:.9}.app-shell{flex:1;width:100%;max-width:1280px;margin:0 auto}.main{min-width:0;padding:1.5rem 1.25rem 3rem}.main:focus{outline:none}.sidebar{padding:.75rem 1.25rem 0}.nav-toggle{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);width:100%;color:var(--text);font:inherit;cursor:pointer;align-items:center;gap:.6rem;padding:.7rem 1rem;font-weight:600;display:inline-flex}.nav-toggle-icon,.nav-toggle-icon:before,.nav-toggle-icon:after{background:currentColor;border-radius:1px;width:18px;height:2px;display:block}.nav-toggle-icon{position:relative}.nav-toggle-icon:before,.nav-toggle-icon:after{content:"";position:absolute;left:0}.nav-toggle-icon:before{top:-6px}.nav-toggle-icon:after{top:6px}.site-nav[data-open=false] nav{display:none}.nav-list{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);margin:.5rem 0 0;padding:.35rem;list-style:none}.nav-link{color:var(--text);border-radius:8px;padding:.65rem .85rem;font-weight:500;text-decoration:none;display:block}.nav-link:hover{background:var(--primary-soft);color:var(--primary-strong)}.nav-link[data-active=true]{background:var(--primary-soft);color:var(--primary-strong);box-shadow:inset 3px 0 0 var(--primary);font-weight:700}@media (min-width:900px){.app-shell{grid-template-columns:var(--sidebar-width) minmax(0, 1fr);gap:.5rem;display:grid}.sidebar{padding:1.5rem 0 1.5rem 1.25rem}.nav-toggle{display:none}.site-nav[data-open=false] nav{display:block}.site-nav nav{position:sticky;top:1rem}.nav-list{margin:0}.main{padding:1.5rem 1.5rem 3rem}}.page-header{margin-bottom:1.5rem}.page-description{max-width:70ch;color:var(--muted)}.section{margin-top:2rem}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:1.1rem 1.25rem}.card>:last-child{margin-bottom:0}.card-title{margin-top:.5rem}.muted{color:var(--muted)}.fine-print{color:var(--muted);margin-top:1rem;font-size:.875rem}.stack-list{gap:.75rem;margin:0 0 1rem;padding:0;list-style:none;display:grid}.summary-grid{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:.75rem;margin:0;padding:0;list-style:none;display:grid}.summary-card{flex-direction:column;gap:.35rem;display:flex}.summary-label{letter-spacing:.03em;text-transform:uppercase;color:var(--muted);margin:0;font-size:.8rem;font-weight:600}.summary-value{margin:0;font-size:1.35rem;font-weight:700}.summary-detail{color:var(--muted);margin:0;font-size:.875rem}.progress{background:var(--neutral-bg);border:1px solid var(--border);border-radius:999px;height:.6rem;overflow:hidden}.progress-fill{background:var(--primary);height:100%}.lesson-card{border-left:4px solid var(--draft-text)}.lesson-meta{color:var(--muted);flex-wrap:wrap;align-items:center;gap:.5rem;margin-bottom:.5rem;font-size:.875rem;display:flex}.lesson-title{font-size:1.2rem}.status-list{gap:.35rem;margin:0 0 1rem;padding:0;font-size:.95rem;list-style:none;display:grid}.status-list li{grid-template-columns:6.5rem minmax(0,1fr);gap:.75rem;display:grid}.status-list-label,.text-link{font-weight:600}.two-column{gap:2rem;display:grid}@media (min-width:1100px){.two-column{grid-template-columns:repeat(2,minmax(0,1fr));gap:1.5rem}}.badge{letter-spacing:.03em;text-transform:uppercase;vertical-align:middle;border-radius:999px;padding:.15rem .55rem;font-size:.75rem;font-weight:700;line-height:1.5;display:inline-block}.badge-draft{background:var(--draft-bg);color:var(--draft-text)}.badge-pending{background:var(--pending-bg);color:var(--pending-text)}.badge-example{background:var(--example-bg);color:var(--example-text)}.badge-neutral{background:var(--neutral-bg);color:var(--neutral-text)}.clearance-status{flex-wrap:wrap;align-items:center;gap:.5rem;font-weight:600;display:flex}.requirement-list{gap:.75rem;margin:1rem 0 0;padding:0;list-style:none;display:grid}.requirement-list li{border-top:1px solid var(--border);padding-top:.75rem}.requirement-head{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:.25rem .75rem;display:flex}.requirement-head .card-title{margin:0}.requirement-label{font-weight:600}.requirement-detail{color:var(--muted);margin:.25rem 0 0;font-size:.9rem}.empty-state{border:2px dashed var(--border);border-radius:var(--radius);background:var(--surface);margin-top:2rem;padding:1.5rem}.empty-state-title{margin-top:.6rem}.empty-state-body{max-width:70ch}.empty-state-missing-label{margin:1rem 0 .35rem;font-weight:600}.empty-state-missing{margin:0;padding-left:1.25rem}.callout{border-radius:var(--radius);border:1px solid var(--border);background:var(--surface);border-left-width:5px;padding:1rem 1.25rem}.callout-warning{background:var(--warning-bg);border-color:var(--warning-border)}.callout-title{margin-bottom:.35rem;font-weight:700}.callout-body>:last-child{margin-bottom:0}.breadcrumb ol{color:var(--muted);flex-wrap:wrap;gap:.25rem;margin:0 0 1rem;padding:0;font-size:.875rem;list-style:none;display:flex}.breadcrumb li+li:before{content:"/";color:var(--muted);margin-right:.25rem}.detail-list{gap:.75rem;margin:0;display:grid}.detail-list div{gap:.1rem;display:grid}@media (min-width:640px){.detail-list div{grid-template-columns:14rem 1fr;gap:1rem}}.detail-list dt{font-weight:600}.detail-list dd{margin:0}.question-list,.process-list{gap:.5rem;margin:0;padding-left:2.5rem;display:grid}.unit-list{margin:.75rem 0 0;padding-left:1.25rem}.unit-list li{flex-wrap:wrap;align-items:baseline;gap:.25rem .75rem;display:flex}.unit-list-meta{color:var(--muted);font-size:.85rem}.table-wrap{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);overflow-x:auto}table{border-collapse:collapse;width:100%;font-size:.95rem}th,td{text-align:left;vertical-align:top;border-bottom:1px solid var(--border);padding:.7rem 1rem}thead th{background:var(--neutral-bg);letter-spacing:.03em;text-transform:uppercase;white-space:nowrap;font-size:.8rem}tbody tr:last-child>*{border-bottom:0}tbody th{white-space:nowrap;font-weight:600}.nowrap{white-space:nowrap}.cell-wide{min-width:15rem}.site-footer{border-top:1px solid var(--border);background:var(--surface);color:var(--muted);text-align:center;padding:1rem 1.25rem;font-size:.85rem}.site-footer p{margin:0}@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}.header-user{flex-wrap:wrap;align-items:center;gap:.5rem .9rem;display:flex}.header-link{color:#fff;font-weight:600}.header-link:hover{color:#fff}.header-link:focus-visible,.header-button:focus-visible{outline-color:#fff}.header-button{color:#fff;font:inherit;cursor:pointer;background:0 0;border:1px solid #fffc;border-radius:8px;padding:.35rem .8rem;font-size:.9rem;font-weight:600}.header-button:hover{background:#ffffff1f}.button{min-height:2.5rem;font:inherit;cursor:pointer;border:1px solid #0000;border-radius:8px;justify-content:center;align-items:center;padding:.55rem 1.1rem;font-weight:600;text-decoration:none;display:inline-flex}.button-primary{background:var(--primary);color:#fff}.button-primary:hover{background:var(--primary-strong);color:#fff}.button-secondary{background:var(--surface);border-color:var(--border);color:var(--text)}.button-secondary:hover{background:var(--primary-soft);color:var(--primary-strong)}.button:disabled{cursor:not-allowed;opacity:.6}.button-row{flex-wrap:wrap;gap:.75rem;display:flex}.form-card{max-width:28rem}.form{gap:1rem;margin-top:1rem;display:grid}.field{gap:.35rem;display:grid}.field label{font-weight:600}.field input{background:var(--surface);color:var(--text);font:inherit;border:1px solid #8a96a6;border-radius:8px;padding:.6rem .75rem}.form-error{color:#8a1c1c;background:#fdecec;border-radius:8px;margin:0;padding:.6rem .8rem;font-weight:600}.state-panel{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);border-left-width:5px;margin-top:1rem;padding:1.25rem 1.5rem}.state-panel>:last-child{margin-bottom:0}.state-title{margin-bottom:.5rem}.state-error{border-left-color:#b42318}.state-denied{border-left-color:var(--warning-border);background:var(--warning-bg)}.state-loading{color:var(--muted);align-items:center;gap:.75rem;display:flex}.spinner{border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;width:1.1rem;height:1.1rem;animation:.9s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}@media (prefers-reduced-motion:reduce){.spinner{animation:none}}.lead{max-width:70ch;color:var(--muted)}.resume-note{margin-top:1rem;font-weight:600}.reader-count{color:var(--muted);margin-bottom:.25rem;font-size:.875rem;font-weight:600}.reader-section h2:focus{outline:none}.reader-body{max-width:70ch}.reader-progress{margin-top:1rem}.reader-nav{flex-wrap:wrap;justify-content:space-between;gap:.75rem;margin-top:1rem;display:flex}.save-status{min-height:1.5rem;color:var(--muted);margin-top:.75rem}.admin-form{grid-template-columns:repeat(auto-fit,minmax(16rem,1fr));align-items:end}.field select{background:var(--surface);color:var(--text);font:inherit;border:1px solid #8a96a6;border-radius:8px;padding:.6rem .75rem}.field-label{font-weight:600}.admin-actions{gap:1.1rem;margin-top:1rem;display:grid}.inline-control{flex-wrap:wrap;align-items:center;gap:.6rem;display:flex}.inline-control select{min-width:14rem;max-width:100%}.button-small{min-height:2rem;padding:.3rem .75rem;font-size:.9rem}.cell-note{color:var(--muted);margin-top:.2rem;font-size:.85rem;font-weight:400;display:block}.cell-line{display:block}.form-success,.form-warning{border-radius:8px;margin:0;padding:.6rem .8rem;font-weight:600}.form-success{color:#1e5b2e;background:#e6f4ea}.form-warning{background:var(--pending-bg);color:var(--pending-text)}.form-footer{margin:1rem 0 0}.person-panel{border-left:4px solid var(--primary)}.subsection-title{margin-top:1.25rem;font-size:1rem}.activity-form{gap:1rem;display:grid}.activity-item{min-width:0;margin:0}.activity-item legend{float:left;width:100%;margin-bottom:.6rem;padding:0;font-weight:600}.activity-item legend+*{clear:both}.activity-item-count{color:var(--muted);margin-bottom:.2rem;font-size:.85rem;font-weight:400;display:block}.choice-list{clear:both;gap:.5rem;display:grid}.choice{border:1px solid var(--border);cursor:pointer;border-radius:8px;align-items:flex-start;gap:.6rem;padding:.5rem .6rem;display:flex}.choice input{flex:none;width:1.1rem;height:1.1rem;margin-top:.2rem}.guided-check{justify-items:start;gap:.4rem;margin-top:.75rem;display:grid}.item-feedback{min-height:1.25rem;margin:0}.result-panel{border-left:4px solid var(--primary)}.result-score{font-size:1.15rem;font-weight:700}.correction-list{gap:.9rem;padding-left:1.2rem;display:grid}.correction-list p{margin:.2rem 0}.correction-prompt{font-weight:600}.sbx{border-radius:var(--radius);color:#17212b;background:#eef1f5;border:1px solid #2b3642;flex-direction:column;min-height:30rem;font-size:.95rem;display:flex;position:relative;overflow:hidden}.sbx-topbar{color:#e7edf3;background:#111a24;justify-content:space-between;align-items:center;gap:1rem;padding:.55rem 1rem;font-weight:600;display:flex}.sbx-fiction{background:var(--demo-bg);color:var(--demo-text);letter-spacing:.04em;border-radius:999px;padding:.1rem .5rem;font-size:.72rem}.sbx-body{flex:1;min-height:0;display:flex}.sbx-nav{background:#1c2733;flex-direction:column;flex-shrink:0;gap:.15rem;width:11.5rem;padding:.75rem .5rem;display:flex}.sbx-nav-item{color:#d9e2ec;width:100%;font:inherit;text-align:left;cursor:pointer;background:0 0;border:0;border-radius:6px;justify-content:space-between;padding:.55rem .75rem;display:flex}.sbx-nav-item:hover,.sbx-nav-item[aria-current=page]{color:#fff;background:#2e3d4d}.sbx-nav-item:focus-visible,.sbx-tab:focus-visible,.sbx-button:focus-visible,.sbx-link:focus-visible{outline-offset:2px;outline:3px solid #ffd24a}.sbx-nav-sub{padding-left:1.6rem;font-size:.9rem}.sbx-content{flex:1;min-width:0;padding:1rem;overflow:auto}.sbx-panel{background:#fff;border:1px solid #d3dae2;border-radius:8px;padding:1rem 1.1rem}.sbx-h{margin:0 0 .75rem;font-size:1.1rem}.sbx-h4{margin:0 0 .6rem;font-size:1rem}.sbx-muted{color:#4a5666}.sbx-notification{background:#e8f0fd;border-left:4px solid #0b57d0;border-radius:6px;flex-direction:column;gap:.2rem;padding:.8rem 1rem;display:flex}.sbx-tabs{border-bottom:1px solid #d3dae2;gap:.25rem;margin-bottom:.75rem;display:flex}.sbx-tab{color:#334155;font:inherit;cursor:pointer;background:0 0;border:0;border-bottom:3px solid #0000;padding:.5rem .9rem;font-weight:600}.sbx-tab[aria-selected=true]{color:#0b4f6c;border-bottom-color:#0b4f6c}.sbx-table{border-collapse:collapse;width:100%;font-size:.9rem}.sbx-table th,.sbx-table td{text-align:left;border-bottom:1px solid #e3e8ee;padding:.5rem .6rem}.sbx-table thead th{text-transform:uppercase;letter-spacing:.03em;background:#f4f6f9;font-size:.78rem}.sbx-row-open{background:#fff7dc}.sbx-mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}.sbx-detail{background:#f9fbfd;border:1px solid #c8d3de;border-radius:8px;max-width:34rem;margin-top:1rem;padding:.9rem 1rem}.sbx-dl{grid-template-columns:repeat(2,minmax(0,1fr));gap:.5rem 1rem;margin:0 0 .9rem;display:grid}.sbx-dl dt{color:#4a5666;font-size:.78rem}.sbx-dl dd{margin:0;font-weight:600}.sbx-button{color:#fff;font:inherit;cursor:pointer;background:#0b4f6c;border:1px solid #0b4f6c;border-radius:6px;padding:.5rem .95rem;font-weight:600}.sbx-button:disabled{opacity:.55;cursor:not-allowed}.sbx-button-secondary{color:#0b4f6c;background:#fff}.sbx-link{color:#0b4f6c;font:inherit;cursor:pointer;background:0 0;border:0;margin-left:.4rem;padding:.15rem .3rem;font-weight:600;text-decoration:underline}.sbx-pill{color:#1e5b2e;background:#e6f4ea;border-radius:999px;padding:.1rem .5rem;font-size:.8rem;font-weight:700;display:inline-block}.sbx-modal-backdrop{background:#111a2473;justify-content:center;align-items:flex-start;padding:1.5rem;display:flex;position:absolute;inset:2.3rem 0 0}.sbx-modal{background:#fff;border-radius:10px;width:min(56rem,100%);max-height:100%;padding:1rem 1.1rem;overflow:auto;box-shadow:0 10px 30px #00000040}.sbx-modal-actions{justify-content:flex-end;gap:.6rem;margin-top:.9rem;display:flex}.sbx-toast{color:#fff;background:#1e5b2e;border-radius:8px;padding:.75rem 1rem;font-weight:600;position:absolute;bottom:1rem;right:1rem;box-shadow:0 6px 18px #0003}.sbx-verify{border-top:1px solid #e3e8ee;flex-wrap:wrap;align-items:flex-end;gap:.75rem;margin-top:1rem;padding-top:.9rem;display:flex}.sbx-verify p{width:100%;margin:0}.sbx-field{gap:.25rem;display:grid}.sbx-verify label{font-size:.85rem;font-weight:600}.sbx-verify input,.sbx-verify select{font:inherit;border:1px solid #8a96a6;border-radius:6px;padding:.45rem .6rem}@media (max-width:720px){.sbx-body{flex-direction:column}.sbx-nav{flex-flow:wrap;width:auto}.sbx-nav-item{width:auto}.sbx-subnav{display:contents}.sbx-table{font-size:.82rem}.sbx-table-units th:nth-child(4),.sbx-table-units td:nth-child(4){display:none}}.render-stage{z-index:1000;background:#0f1720;font-size:17px;position:fixed;top:0;left:0;overflow:hidden}.render-layer{will-change:transform;position:relative}.render-sandbox{position:absolute;inset:34px 22px 22px}.render-sandbox .sbx{height:100%}.render-card{color:#17212b;background:#fff;border-radius:18px;padding:3rem 3.5rem;position:absolute;inset:90px 120px}.render-card h1{font-size:2.3rem}.render-card ol{font-size:1.35rem;line-height:1.9}.render-kicker{color:#0b4f6c;letter-spacing:.05em;font-weight:800}.render-cursor{pointer-events:none;position:absolute;top:-2px;left:-2px}.render-ripple{opacity:0;pointer-events:none;border:4px solid #ffb400;border-radius:50%;width:48px;height:48px;position:absolute;top:-24px;left:-24px}.render-step{color:#fff;background:#0b4f6c;border-radius:999px;padding:.35rem .8rem;font-weight:700;position:absolute;top:44px;right:40px}.render-watermark{color:#ffd24a;letter-spacing:.06em;white-space:nowrap;background:#0f1720eb;border-radius:999px;padding:.15rem .8rem;font-size:.8rem;font-weight:800;position:absolute;top:6px;left:50%;transform:translate(-50%)}.unit-steps ol{grid-template-columns:repeat(auto-fit,minmax(10rem,1fr));gap:.5rem;margin:1rem 0 0;padding:0;list-style:none;display:grid}.unit-step{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);width:100%;min-height:3.2rem;color:var(--text);font:inherit;text-align:left;cursor:pointer;grid-template-columns:auto 1fr;column-gap:.6rem;padding:.55rem .75rem;display:grid}.unit-step[aria-current=step]{border-color:var(--primary);box-shadow:inset 0 0 0 1px var(--primary);background:var(--primary-soft)}.unit-step:disabled{cursor:not-allowed;opacity:.6}.unit-step-number{background:var(--primary);color:#fff;border-radius:50%;grid-row:span 2;place-items:center;width:1.8rem;height:1.8rem;font-weight:700;display:inline-grid}.unit-step-label{font-weight:700}.unit-step-status{color:var(--muted);font-size:.85rem}.unit-panel h2:focus{outline:none}.player{gap:.75rem;display:grid}.player-frame{aspect-ratio:16/9;border-radius:var(--radius);background:#000;width:100%;max-height:70vh;position:relative;overflow:hidden}.player-video{object-fit:contain;background:#000;width:100%;height:100%;position:absolute;inset:0}.player-state{color:#fff;text-align:center;background:#0f1720c7;flex-direction:column;justify-content:center;align-items:center;gap:.5rem;padding:1rem;display:flex;position:absolute;inset:0}.player-state-error{background:#280a0ae6}.player-state-title{margin:0;font-size:1.1rem;font-weight:700}.player-state-actions{flex-wrap:wrap;justify-content:center;gap:.5rem;display:flex}.player-hotspots{position:absolute;inset:0}.hotspot{cursor:pointer;background:#ffb40024;border:3px dashed #ffb400;border-radius:6px;min-width:12px;min-height:12px;padding:0;position:absolute}.hotspot:hover,.hotspot:focus-visible{outline-offset:1px;background:#ffb40052;outline:3px solid #fff}.hotspot-ok{background:#2e9e5b4d;border-style:solid;border-color:#2e9e5b}.hotspot-ko{background:#c0392b4d;border-style:solid;border-color:#c0392b}.player-controls{flex-wrap:wrap;align-items:center;gap:.5rem;display:flex}.player-seek{min-width:8rem;accent-color:var(--primary);flex:12rem}.player-time{font-variant-numeric:tabular-nums;color:var(--muted)}.player-rate{align-items:center;gap:.35rem;display:inline-flex}.player-rate select{font:inherit;padding:.35rem}.button[aria-pressed=true]{background:var(--primary-soft);border-color:var(--primary)}.checkpoint-track{flex-wrap:wrap;gap:.4rem;margin:0;padding:0;font-size:.85rem;list-style:none;display:flex}.checkpoint-track li{background:var(--neutral-bg);color:var(--neutral-text);border-radius:999px;padding:.2rem .6rem}.checkpoint-track li.done{color:#1c5b35;background:#dff3e6}.checkpoint{border:2px solid var(--primary);border-radius:var(--radius);background:var(--surface);padding:1rem}.checkpoint h3:focus{outline:3px solid var(--focus);outline-offset:2px}.checkpoint-kicker{color:var(--primary);letter-spacing:.02em;margin:0 0 .35rem;font-size:.85rem;font-weight:700}.checkpoint-help{color:var(--muted)}.checkpoint-options{gap:.5rem;margin:.75rem 0;display:grid}.checkpoint-option{border:1px solid var(--border);border-radius:var(--radius);min-height:2.75rem;color:var(--text);font:inherit;text-align:left;cursor:pointer;background:#f9fafb;padding:.6rem .9rem}.checkpoint-option:hover:not(:disabled){border-color:var(--primary)}.checkpoint-option:disabled{cursor:default}.checkpoint-option.is-ok{background:#e6f5ec;border-color:#2e9e5b}.checkpoint-option.is-ko{background:#fbeae8;border-color:#c0392b}.checkpoint-feedback{border-left:4px solid var(--border);background:#f9fafb;border-radius:4px;margin:.5rem 0;padding:.6rem .8rem}.checkpoint-feedback.is-ok{background:#e6f5ec;border-color:#2e9e5b}.checkpoint-feedback.is-ko{background:#fbeae8;border-color:#c0392b}.checkpoint-feedback.is-neutral{border-color:var(--primary);background:var(--primary-soft)}.checkpoint-actions{flex-wrap:wrap;gap:.5rem;display:flex}.player-alternatives{flex-wrap:wrap;justify-content:space-between;align-items:flex-start;gap:.75rem;display:flex}.transcript{flex:20rem}.transcript summary{cursor:pointer;font-weight:700}.transcript ol{padding-left:1.2rem}.transcript-time{font-variant-numeric:tabular-nums;color:var(--muted)}.text-alternative{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);padding:1rem}.text-link-button{color:var(--primary);font:inherit;cursor:pointer;background:0 0;border:0;padding:0;text-decoration:underline}.step-next{flex-wrap:wrap;align-items:center;gap:.75rem;margin-top:1rem;display:flex}.sandbox-frame{margin:.75rem 0}.practice-task-text{font-size:1.05rem;font-weight:600}.practice-hints ol{padding-left:1.2rem}.practice-feedback-list{color:#7a2318;margin:.25rem 0;padding-left:1.2rem}.attempt-meta{color:var(--muted);font-size:.9rem}.quiz{gap:.75rem;margin:0;padding:0;list-style:none;display:grid}.quiz-question{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);margin:0;padding:.9rem 1rem}.quiz-question legend{padding:0 .25rem;font-weight:600}.quiz-number{color:var(--muted);font-size:.8rem;font-weight:700;display:block}.quiz-option{cursor:pointer;align-items:flex-start;gap:.6rem;min-height:2.5rem;padding:.4rem .2rem;display:flex}.quiz-option input{width:1.15rem;height:1.15rem;margin-top:.2rem}.quiz-saved{min-height:1.2em;color:var(--muted);margin:.25rem 0 0;font-size:.85rem}.attempt-submit{margin-top:1rem}.result-card{border-width:2px}.result-passed{border-color:#2e9e5b}.result-failed{border-color:#c0392b}.result-grid{grid-template-columns:repeat(auto-fit,minmax(14rem,1fr));gap:.5rem 1rem;display:grid}.result-grid dt{color:var(--muted);font-size:.85rem;font-weight:700}.result-grid dd{margin:0}.criteria-list{gap:.4rem;margin:.75rem 0;padding:0;list-style:none;display:grid}.criteria-list li{gap:.5rem;display:flex}.criteria-mark{font-weight:800}.criteria-list .is-ok .criteria-mark{color:#1c7a44}.criteria-list .is-ko .criteria-mark{color:#b0281a}.criteria-critical{color:var(--muted);font-size:.85rem}.criteria-feedback{color:#7a2318;font-size:.9rem;display:block}@media (max-width:720px){.player-frame{max-height:none}.player-time{order:5}}