/* A calm model on the existing Duggle learning surface. */
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.reason-lesson-page,.reason-library,.reason-complete,.reason-error{max-width:1050px;margin:auto}.reason-heading{display:flex;gap:18px;align-items:center;justify-content:space-between;margin-bottom:18px}.reason-heading h1{font:850 clamp(27px,4vw,40px)/1.15 system-ui;letter-spacing:-.035em;margin:5px 0}.reason-heading>a{flex:none}.reason-steps{display:flex;list-style:none;gap:0;padding:0;margin:0 0 18px;border:1px solid #b6ccd0;border-radius:12px;overflow:hidden;background:#fffaf0}.reason-steps li{flex:1;padding:12px 8px;text-align:center;font-weight:750;font-size:14px;color:#5a747f}.reason-steps [aria-current]{background:#193e55;color:white}.reason-board{margin:0!important;background:#fffaf0!important;padding:clamp(15px,3vw,30px)!important}.reason-instruction{display:flex;gap:18px;align-items:center;max-width:790px;margin:0 auto 18px}.reason-instruction img{width:48px;height:72px;object-fit:contain;flex:none}.reason-instruction h2{font:800 clamp(22px,3vw,29px)/1.15 system-ui;margin:0 0 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#426e7a;border-radius:16px;padding:20px;max-width:650px;margin:auto;text-align:center}.reason-code-machine>span{font-size:13px;font-weight:750;color:#456875}.reason-code-word{display:flex;gap:22px;align-items:center;justify-content:center;flex-wrap:wrap;margin-top:12px}.reason-code-word>span{display:flex;align-items:center;gap:18px;font:800 clamp(25px,6vw,42px)/1.1 ui-monospace,monospace;letter-spacing:.08em}.reason-code-word b:last-child{color:#176a5a}.reason-alphabet{display:grid;grid-template-columns:repeat(13,minmax(0,1fr));list-style:none;padding:0;margin:20px auto;max-width:650px;gap:3px}.reason-alphabet li{padding:6px 2px;text-align:center;border-radius:4px;background:#e8efee;font:700 14px/1.2 ui-monospace,monospace}.reason-lesson-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.reason-lesson{display:flex;flex-direction:column;align-items:start;gap:12px;border:2px solid #acc6cc;border-bottom:5px solid #3e6d83;border-radius:16px;padding:24px;background:#fffaf0;color:#193e55;text-decoration:none;min-height:210px}.reason-lesson strong{font-size:25px;letter-spacing:-.025em}.reason-lesson>span:not(.reason-card-symbol){color:#4c6875;font-size:16px;line-height:1.5}.reason-lesson small{margin-top:auto;font-size:14px;font-weight:750;color:#176a5a}.reason-card-symbol{font-weight:850;font-size:28px;color:#3e6d83}.reason-complete{padding:clamp(22px,5vw,50px)!important;background:#fffaf0!important}.reason-complete h1{font-size:clamp(28px,4vw,40px);margin:12px 0}.reason-complete>p{font-size:21px;line-height:1.55;max-width:48ch}.reason-complete-actions{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-top:26px}.reason-lesson:hover{border-color:#267d92}.reason-grid button:focus-visible,.reason-lesson:focus-visible{outline:4px solid #177be8;outline-offset:3px}
@media(max-width:800px){.campus-choices{grid-template-columns:1fr}.campus-choices:has(>:last-child:nth-child(2)){grid-template-columns:1fr}.reason-heading{align-items:start}.reason-heading>a{font-size:13px}.reason-instruction{gap:12px}.reason-model-pair{max-width:520px}.reason-lesson-grid{grid-template-columns:1fr}.campus-start{padding:20px}}
@media(max-width:480px){.campus-start{gap:12px;padding:18px 16px}.campus-start img{width:47px;height:72px;align-self:start}.campus-start h2{font-size:25px}.campus-start .btn{font-size:15px}.campus-home-actions{justify-content:start}.campus-continue{max-width:100%}.reason-heading{flex-wrap:wrap;gap:10px}.reason-heading h1{font-size:29px}.reason-instruction img{display:none}.reason-model-pair{grid-template-columns:minmax(0,1fr) 12px minmax(0,1fr);gap:5px;margin:18px 0}.reason-key figcaption{font-size:12px;min-height:32px}.reason-grid{padding:3px;gap:2px;border-radius:8px}.reason-grid>span,.reason-grid>button{padding:3px}.reason-grid>button{min-height:40px}.reason-mirror-axis{font-size:9px;min-height:125px;border-width:2px}.reason-model-arrow{font-size:18px}.reason-steps li{font-size:12px;padding:11px 3px}.reason-controls{gap:8px}.reason-controls output{flex-basis:100%;order:3}.reason-controls button{font-size:14px;padding:11px 12px}.reason-footer{gap:12px}.reason-footer>span{flex-basis:100%;order:3}.reason-footer button{font-size:14px}.reason-code-clues{gap:8px}.reason-code-clues>strong{flex-basis:100%;text-align:center}.reason-code-clues>span{font-size:22px;padding:8px 16px}.reason-code-machine{padding:18px 10px}.reason-code-word{gap:16px}.reason-code-word>span{gap:10px}.reason-legend{gap:10px}.reason-legend button{font-size:13px}.reason-complete-actions{flex-direction:column;align-items:stretch}}

.reason-mirror .reason-grid{position:relative}.reason-mirror .reason-grid:after{content:"";position:absolute;top:0;bottom:0;left:50%;border-left:2px dashed #654699;pointer-events:none;opacity:.65}.reason-mirror-axis{border:0;margin:0;padding:0;min-height:0;height:auto;writing-mode:horizontal-tb;text-align:center;font-size:11px;white-space:nowrap;overflow-wrap:normal}.reason-mirror{grid-template-columns:minmax(0,1fr) 36px minmax(0,1fr)}
@media(max-width:480px){.reason-mirror{grid-template-columns:1fr;gap:14px}.reason-mirror .reason-grid{width:210px}.reason-mirror-axis{writing-mode:horizontal-tb;font-size:12px;min-height:0}.reason-mirror-axis:before{content:"";display:inline-block;height:22px;border-left:2px dashed #654699;vertical-align:middle;margin-right:8px}.reason-mirror .reason-grid>button{min-height:44px}.reason-mirror .reason-key figcaption{min-height:0}.reason-mirror .reason-key{display:flex;flex-direction:column;align-items:center}}

.campus-choice .campus-skills>span{border:0;border-radius:0;background:none;min-height:0;padding:5px 0;font-size:14px;font-weight:550}