.course-builder h1{font-size:clamp(2.5rem,4.5vw,4.2rem)}.course-builder h2{font-size:2.5rem}.course-builder h3{font-size:1.8rem}.cb-start{display:grid;grid-template-columns:1fr 1fr;gap:45px;background:var(--white);border:1px solid var(--line);padding:32px;border-radius:var(--radius);margin-bottom:32px}.cb-start h2{margin:12px 0}.cb-start p{max-width:430px;color:var(--muted)}.cb-course-row{display:flex;justify-content:space-between;align-items:center;gap:28px;padding:28px 0;border-bottom:1px solid var(--line)}.cb-course-row h2{margin:8px 0 12px;font-size:2.1rem}.cb-course-row p{font-size:.85rem;color:var(--muted)}.cb-editor-heading{display:flex;justify-content:space-between;align-items:start;gap:26px;margin-bottom:20px}.cb-editor-heading .eyebrow{margin:24px 0 12px}.cb-editor-heading p{margin-top:12px;color:var(--muted);font-size:.88rem}.cb-editor-actions{display:flex;flex-wrap:wrap;gap:10px;justify-content:end;max-width:380px}.cb-editor-actions>span{width:100%;text-align:right;font-size:.8rem;color:var(--muted)}.cb-editor-actions>span.error{color:var(--red)}.cb-editor-actions .button{font-size:.8rem;padding:10px 15px;min-height:42px}.cb-layout{display:grid;grid-template-columns:205px minmax(0,1fr);gap:30px;margin-top:25px}.cb-outline{align-self:start;position:sticky;top:110px;max-height:calc(100vh - 130px);overflow:auto;border-right:1px solid var(--line);padding-right:18px}.cb-outline>button,.cb-chapter-group>button,.cb-sections>button{width:100%;border:0;background:transparent;text-align:left;padding:11px 10px;border-radius:5px;line-height:1.5;font-size:.81rem}.cb-outline button.active{background:var(--green);color:white}.cb-outline>span{margin:25px 0 10px 10px}.cb-sections{padding-left:10px;margin-bottom:15px;border-left:1px solid var(--line);margin-left:10px}.cb-sections>button{font-size:.75rem}.cb-panel{min-width:0;background:var(--white);border:1px solid var(--line);border-radius:12px;padding:30px}.cb-panel fieldset{margin:0;padding:0;border:0;min-width:0}.cb-panel h2{margin:12px 0 26px}.cb-panel textarea{width:100%;white-space:pre-wrap;overflow-wrap:anywhere;resize:vertical;line-height:1.7;min-height:80px}.cb-panel .form-field{margin:18px 0}.cb-panel small{line-height:1.5}.cb-form-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 20px}.cb-artwork-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;padding:18px 0}.cb-artwork img{height:190px;width:100%;object-fit:contain;background:var(--paper);border:1px solid var(--line);border-radius:6px}.cb-artwork input[type=file]{font-size:.75rem}.cb-companions,.cb-chapter-settings{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:18px 0;margin:20px 0}.cb-panel summary{cursor:pointer;font-size:.88rem;font-weight:600}.cb-chapter-settings .action-row{margin-top:12px}.cb-teaching-block{padding:20px 0;border-bottom:1px solid var(--line)}.cb-teaching-block .form-field:first-child{max-width:280px}.cb-prompt-heading{margin-top:45px;padding-top:20px;border-top:1px solid var(--line)}.cb-prompt-heading p{font-size:.85rem;color:var(--muted);margin-top:12px}.cb-prompt,.cb-question{margin:25px 0;padding:23px;border:1px solid var(--line);border-radius:9px;background:var(--paper)}.cb-prompt .checkbox-label{margin-top:15px}.cb-question .checkbox-label{margin:8px 0}.cb-add-prompts,.cb-question-types{gap:8px}.cb-add-prompts .button,.cb-question-types .button{font-size:.76rem;padding:9px 13px;min-height:40px}.cb-lesson-actions{display:flex;align-items:center;flex-wrap:wrap;gap:18px;border-top:1px solid var(--line);margin-top:35px;padding-top:22px}.cb-management{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-top:35px;border-top:1px solid var(--line);padding-top:20px}.cb-management button{color:var(--red)}.cb-preview-dialog{border:1px solid var(--line);border-radius:14px;background:var(--paper);color:var(--ink);width:min(1000px,calc(100vw - 28px));max-height:90vh;padding:30px}.cb-preview-dialog::backdrop{background:#102d2580;backdrop-filter:blur(3px)}.cb-preview-header{display:flex;align-items:center;justify-content:space-between;gap:25px;border-bottom:1px solid var(--line);padding-bottom:22px}.cb-preview-header h2{font-size:2.4rem;margin-top:10px}.cb-preview-header .button{flex-shrink:0}.cb-preview-controls{display:flex;gap:20px;margin:25px 0}.cb-preview-controls label{flex:1;font-size:.8rem;display:flex;flex-direction:column;gap:8px}.cb-preview-controls select{width:100%;padding:10px;border:1px solid var(--line);border-radius:6px;background:var(--white)}.cb-learner-preview{max-width:710px;margin:30px auto}.cb-learner-preview h1{font-size:clamp(2.6rem,5vw,4rem);margin:15px 0 25px}.cb-learner-preview textarea{width:100%;padding:15px;border:1px solid var(--line);border-radius:7px;resize:vertical;white-space:pre-wrap;overflow-wrap:anywhere;background:var(--white)}.cb-learner-preview .quiz-card details{margin-top:20px}.cb-learner-preview .quiz-card details p{margin-top:15px}.cb-correct-options>span{display:block;font-size:.85rem;font-weight:bold;margin:20px 0 10px}
@media(max-width:1200px){.cb-layout{grid-template-columns:175px minmax(0,1fr);gap:20px}.cb-panel{padding:23px}.cb-editor-heading{display:block}.cb-editor-actions{max-width:none;justify-content:start;margin-top:20px}.cb-editor-actions>span{width:auto;align-self:center;text-align:left;margin-right:10px}}
@media(max-width:760px){.cb-start{grid-template-columns:1fr;gap:25px;padding:24px}.cb-course-row{align-items:start;flex-direction:column;gap:15px}.cb-layout{display:block}.cb-outline{position:static;max-height:280px;border-right:0;border-bottom:1px solid var(--line);padding:0 0 20px;margin-bottom:25px}.cb-form-grid,.cb-artwork-grid{grid-template-columns:1fr}.cb-panel{padding:20px}.cb-prompt,.cb-question{padding:17px}.cb-management{display:block}.cb-preview-dialog{padding:20px}.cb-preview-header{align-items:start}.cb-preview-header .button{padding:9px 12px;font-size:.73rem;min-height:40px}.cb-preview-controls{flex-direction:column}.cb-editor-actions .button{flex:1}.cb-lesson-actions .button{width:100%}}