/* Existing lesson engines keep block geometry; shared reading and navigation tokens. */
:root{--ink:#193E56;--muted:rgba(25, 62, 86, 0.72);--paper:rgba(25, 62, 86, 0.055);--green:#193E56;--green-dark:#193E56;--mint:rgba(25, 62, 86, 0.055);--line:rgba(25, 62, 86, 0.2);--radius:14px;--shadow:none}
body{font-size:16px}.btn{min-height:44px;font-size:15px;border-radius:9px}.btn-sm{min-height:36px;font-size:14px}.sidebar,.topbar{background:#fff}.nav-item{font-size:15px;color:#193E56}.nav-item.active{background:rgba(25, 62, 86, 0.035)}.nav-label,.brand-sub,.breadcrumbs,.top-actions{font-size:12px;color:#193E56}.page-heading p{font-size:16px}.card{box-shadow:none}.focus-topbar,.focus-actionbar{background:#fff}.focus-title h1{font-size:24px}.focus-title small,.focus-save-status{font-size:13px}.focus-content{max-width:1360px}.stage-intro h2{font-size:28px}.stage-intro p{font-size:17px;color:#193E56}.notice{font-size:14px}.focus-workspace .output-title{font-size:15px}.focus-workspace .workspace-caption{font-size:14px}.focus-workspace .grid-legend{font-size:13px}.focus-workspace .block-footer{font-size:13px}.focus-workspace .empty-output{font-size:15px}.focus-independent-task{border-color:rgba(25, 62, 86, 0.22);background:rgba(25, 62, 86, 0.035);color:#193E56}.focus-independent-task strong{font-size:15px}.focus-independent-task p{font-size:15px}.page-heading h1{line-height:1.3}.form-field label{font-size:15px}input,select,textarea{border-color:rgba(25, 62, 86, 0.22)}.mission-goal{font-size:17px}.mission-story{font-size:15px}.form-grid{gap:20px}a:focus-visible,button:focus-visible{outline-color:rgba(25, 62, 86, 0.22)}@media(max-width:720px){.focus-title h1{font-size:19px}.btn{font-size:14px}.stage-intro h2{font-size:23px}}