/* Sonav course authoring: one syllabus rail, an activity canvas, one inspector. */
.course-builder{--cb-ink:#1c3d60;--cb-muted:#60778c;--cb-line:#dce6ed;--cb-teal:#008b81;color:var(--cb-ink);font-size:14px}.course-builder *, .cb-modal *{box-sizing:border-box}.course-builder [hidden],.cb-modal [hidden]{display:none!important}.cb-tabs{display:flex;gap:24px;border-bottom:1px solid var(--cb-line);margin-bottom:22px;align-items:center}.cb-tabs>span,.cb-tab{font:inherit;font-weight:700;background:none;border:0;padding:10px 0 14px;color:#587088;cursor:pointer}.cb-tabs>span{color:var(--cb-teal);border-bottom:3px solid var(--cb-teal)}.cb-btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;border:1px solid #d2dfe8;border-radius:9px;background:white;color:#1c3d60;min-height:42px;padding:9px 12px;font-family:inherit;font-size:13px;font-weight:650;line-height:1.3;cursor:pointer;box-shadow:none}.cb-btn:hover{border-color:#008b81;background:#eff9f6}.cb-btn:disabled{opacity:.4;cursor:default}.cb-btn.cb-primary{background:#f8ba17;border-color:#f8ba17;color:#163958}.cb-btn.cb-primary:hover{background:#ffcb40}.cb-btn.cb-outline{color:#007e75}.cb-btn.cb-icon{padding:8px;min-width:42px}.cb-btn.cb-text{border:0;background:none;padding:0;min-height:36px}.cb-btn.cb-danger{color:#a74141;border:0;margin-left:auto}.course-builder :focus-visible,.cb-modal :focus-visible{outline:2px solid #008b81;outline-offset:3px}.cb-breadcrumb{display:flex;align-items:center;gap:12px;font-size:13px;color:#61798b}.cb-course-header,.cb-catalog-header{display:flex;justify-content:space-between;align-items:center;gap:20px;margin:12px 0 20px}.cb-course-header h2,.cb-catalog-header h2{margin:0;font-size:26px;letter-spacing:-.6px;line-height:1.2}.cb-course-header p,.cb-catalog-header p{margin:8px 0 0;color:#60778c;font-size:14px}.cb-catalog-header input{max-width:270px}.cb-workspace{display:grid;grid-template-columns:minmax(180px,.75fr) minmax(290px,1.7fr) minmax(240px,1fr);gap:14px;align-items:stretch}.cb-rail,.cb-outline,.cb-inspector{min-width:0;background:#fff;border:1px solid #e1e9ef;border-radius:12px;padding:16px}.cb-panel-heading{display:flex;justify-content:space-between;align-items:center;gap:8px;margin-bottom:14px;min-height:42px}.cb-panel-heading h3{margin:0;font-size:16px;line-height:1.35;overflow-wrap:anywhere}.cb-outline>.cb-panel-heading h3{font-size:19px}.cb-panel-heading p{font-size:12px;margin:6px 0 0;color:#60778c}.cb-rail{padding:14px 10px;max-height:680px;display:flex;flex-direction:column}.cb-rail .cb-panel-heading{padding:0 4px}.cb-lesson-list{overflow:auto;margin-top:8px;scrollbar-width:thin}.cb-lesson{display:flex;align-items:center;width:100%;gap:10px;border:0;border-radius:9px;padding:12px 8px;margin:2px 0;background:transparent;color:#1c3d60;text-align:left;font:inherit;cursor:pointer;min-height:64px}.cb-lesson.is-selected{background:#def2ef}.cb-lesson:hover{background:#edf7f5}.cb-lesson strong{font-size:13px;display:block}.cb-lesson small{font-size:12px;color:#60778c;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;line-height:1.35;margin-top:3px}.cb-lesson-no{width:34px;height:34px;flex-shrink:0;display:grid;place-items:center;border-radius:50%;background:#edf3f7;color:#59758a;font-weight:700}.is-selected .cb-lesson-no{background:#008b81;color:white}.cb-activity{border:1px solid #dce6ed;border-radius:10px;margin-bottom:10px;overflow:hidden}.cb-activity summary{display:flex;align-items:center;gap:12px;padding:16px 12px;cursor:pointer;min-height:84px;list-style:none}.cb-activity summary::-webkit-details-marker{display:none}.cb-activity summary:hover{background:#f5faf9}.cb-activity[open] summary{border-bottom:1px solid #dce6ed}.cb-activity-no{display:grid;place-items:center;height:36px;width:36px;flex-shrink:0;border-radius:50%;font-size:18px;font-weight:700}.cb-tone-0{background:#def2ef;color:#008b81}.cb-tone-1{background:#fff1bf;color:#80621d}.cb-tone-2{background:#e2edfb;color:#3d6b94}.cb-activity-title{min-width:0;flex:1}.cb-activity-title strong{font-size:15px;display:block;line-height:1.4;overflow-wrap:anywhere}.cb-activity-title small{display:block;margin-top:4px;color:#60778c;font-size:12px}.cb-expand{color:#61798b;display:flex;transition:transform .15s}.cb-activity[open] .cb-expand{transform:rotate(180deg)}.cb-activity-edit{padding:14px;display:grid;gap:12px}.course-builder label,.cb-modal label{display:grid;gap:6px;color:#1c3d60;font-size:13px;font-weight:600}.course-builder input,.course-builder select,.course-builder textarea,.cb-modal input:not([type=checkbox]),.cb-modal select,.cb-modal textarea{background:#fff;border:1px solid #ccdce7;border-radius:8px;color:#1c3d60;font:inherit;font-size:14px;line-height:1.5;min-height:42px;padding:9px 10px;width:100%;margin:0}.course-builder textarea{resize:vertical}.cb-two{display:grid;grid-template-columns:1fr 1fr;gap:10px}.cb-activity-actions{display:flex;gap:6px;flex-wrap:wrap}.cb-attachments{display:flex;flex-wrap:wrap;gap:5px}.cb-attachments span{font-size:11px;font-weight:400;padding:5px 8px;border-radius:5px;background:#eff5f8;overflow-wrap:anywhere;max-width:100%}.cb-add{width:100%;border-style:dashed;color:#1c3d60;padding:14px}.cb-inspector{display:flex;flex-direction:column;gap:16px}.cb-inspector .cb-panel-heading{margin:0}.cb-draft{white-space:nowrap;background:#fff4d3;color:#886526;border-radius:20px;padding:5px 9px;font-size:11px}.cb-save-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:6px}.cb-save-actions>.cb-btn{flex:1}.cb-footnote{font-size:12px;color:#60778c;margin:8px 0 0;line-height:1.5}.cb-empty{padding:28px 12px;text-align:center;color:#60778c}.cb-empty>span{display:block;color:#008b81;margin-bottom:12px}.cb-empty h4{color:#1c3d60;font-size:17px;margin:8px 0}.cb-empty p{line-height:1.6;font-size:13px}.cb-course-list{display:grid;grid-template-columns:1fr 1fr;gap:12px}.cb-course{display:flex;align-items:center;gap:16px;text-align:left;background:white;border:1px solid #dce6ed;border-radius:12px;padding:20px;color:#1c3d60;cursor:pointer;font:inherit}.cb-course:hover{border-color:#008b81;box-shadow:0 4px 14px #008b810c}.cb-course-mark{width:48px;height:56px;display:grid;place-items:center;border-radius:8px}.cb-course strong{display:block;font-size:16px;line-height:1.4}.cb-course small{display:block;font-size:12px;color:#60778c;margin-top:5px}.cb-course-open{display:flex;align-items:center;gap:5px;margin-left:auto;font-size:12px;color:#008b81}.cb-course-open svg{transform:rotate(180deg)}.cb-error{color:#a13c37!important}[data-builder-status]{font-size:12px;line-height:1.5;overflow-wrap:anywhere;margin:0}.cb-modal{font-family:inherit;width:min(680px,calc(100vw - 24px));max-height:88dvh;overflow:auto;color:#1c3d60;border:1px solid #dce6ed;border-radius:16px;padding:22px;background:#fff;box-shadow:0 20px 80px #18364d44}.cb-modal::backdrop{background:#19374e88}.cb-modal header{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:14px}.cb-modal h3{font-size:20px;margin:0}.cb-modal p{font-size:14px;line-height:1.6;color:#60778c;white-space:pre-line}.cb-source-list{margin-top:14px}.cb-source-list label{display:flex;align-items:center;gap:10px;padding:12px 0;border-bottom:1px solid #e1e9ef;font-weight:400}.cb-source-list input[type=checkbox]{width:20px;height:20px;flex-shrink:0}.cb-source-list small{display:block;margin-top:4px;font-size:12px;color:#60778c;overflow-wrap:anywhere}.cb-source-list strong{font-size:14px}.cb-source-list>.cb-btn{margin-top:16px}.cb-preview ol{padding-left:24px}.cb-preview li{padding:10px 0}.cb-preview h4{font-size:17px;margin:0 0 5px}.cb-preview small{font-size:12px;color:#60778c}.cb-preview-guidance{background:#edf8f5;border-left:3px solid #008b81;padding:14px;font-size:14px;line-height:1.6;white-space:pre-line}.cb-class-tabs{margin-bottom:20px}.cb-class-tabs>button{padding:12px 0;border:0;background:none;color:#008b81;font:inherit;font-weight:700;cursor:pointer}.cb-learner-plan{margin:14px 0 22px}.cb-learner-plan h2{font-size:21px}.cb-learner-plan ol{list-style:none;padding:0;counter-reset:activity}.cb-learner-plan li{counter-increment:activity;display:grid;grid-template-columns:34px minmax(0,1fr);gap:12px;padding:14px 0;border-bottom:1px solid #dce6ed}.cb-learner-plan li:before{content:counter(activity);height:34px;border-radius:50%;display:grid;place-items:center;background:#def2ef;color:#008b81;font-weight:700}.cb-learner-plan h3{font-size:16px;margin:0 0 6px}.cb-learner-plan p{font-size:14px;line-height:1.6;white-space:pre-line}.cb-learner-plan .cb-btn{margin:4px 6px 4px 0}
@media(min-width:1400px){.cb-workspace{grid-template-columns:240px minmax(340px,1.6fr) minmax(280px,1fr)}}
@media(max-width:1100px){.cb-workspace{grid-template-columns:180px minmax(0,1fr)}.cb-inspector{grid-column:2}.cb-outline{grid-column:2;grid-row:1}.cb-rail{grid-column:1;grid-row:1/3}.cb-course-list{grid-template-columns:1fr}.cb-catalog-header{align-items:flex-start}}
@media(max-width:680px){.cb-tabs{gap:18px;margin-bottom:16px}.cb-tabs>span,.cb-tab{font-size:13px}.cb-course-header,.cb-catalog-header{align-items:flex-start;flex-direction:column;gap:12px}.cb-course-header h2,.cb-catalog-header h2{font-size:23px}.cb-workspace{display:flex;flex-direction:column;gap:12px}.cb-rail{max-height:215px}.cb-lesson-list{display:flex;overflow:auto;gap:6px}.cb-lesson{width:168px;min-width:168px;margin:0;padding:8px}.cb-lesson small{-webkit-line-clamp:1}.cb-rail input{max-width:100%;font-size:13px}.cb-rail .cb-panel-heading{margin-bottom:6px;min-height:30px}.cb-panel-heading h3{font-size:15px}.cb-outline>.cb-panel-heading h3{font-size:18px}.cb-activity summary{padding:14px 10px}.cb-activity-title strong{font-size:14px}.cb-activity-title small{font-size:11px}.cb-two{grid-template-columns:1fr}.cb-course{padding:15px;gap:12px}.cb-course-open{font-size:0}.cb-course-mark{width:40px;height:46px}.cb-catalog-header input{max-width:none}.cb-modal{padding:16px}.cb-inspector textarea{min-height:90px}.cb-save-actions{position:static}.cb-activity-actions>.cb-btn{min-height:44px}.cb-course-header p{font-size:13px}}
@media(prefers-reduced-motion:reduce){.cb-expand{transition:none}}

/* Avoid the global bottom-tab styles and empty stretched panels. */
.cb-breadcrumb{position:static!important;box-shadow:none!important;background:none!important;border:0!important;width:auto!important;transform:none!important;padding:0!important;justify-content:flex-start!important}.cb-outline,.cb-inspector{align-self:start}.cb-rail{max-height:600px}body:has([data-course-builder]){background:#f4f7fb}main[data-screen="materials"]:has([data-course-builder]){background:#f4f7fb}body:has([data-course-builder]) header.top{background:#fff}body:has([data-course-builder]) .top{backdrop-filter:none}

@media(max-width:680px){.cb-outline,.cb-inspector{align-self:stretch}}