/* Phase 28 — independent learner workspace and lesson contents navigation. */
.ce-learner-workspace-page{background:#f4f7fb}.ce-learner-workspace-page .ce-section--study{padding-block:1rem 2.5rem}.ce-learner-workspace-page .ce-container--study{max-width:1500px}.ce-study-room--class{display:grid;gap:1rem}.ce-study-room--class .ce-study-room__classbar{border:1px solid #d7e1ed;border-radius:18px;background:#fff;box-shadow:0 10px 35px rgba(16,42,76,.07)}
.ce-learner-frame{display:grid;grid-template-columns:minmax(230px,280px) minmax(0,1fr);gap:1.15rem;align-items:start}.ce-learner-contents{position:sticky;top:96px;max-height:calc(100vh - 116px);overflow:auto;padding:.9rem;border:1px solid #d8e2ee;border-radius:18px;background:#fff;box-shadow:0 14px 40px rgba(16,42,76,.07);scrollbar-width:thin}.ce-learner-contents__head{display:flex;align-items:flex-start;justify-content:space-between;gap:.6rem;padding:.2rem .2rem .75rem;border-bottom:1px solid #e8eef5}.ce-learner-contents__head span{display:block;color:#687990;font-size:.75rem;font-weight:850;text-transform:uppercase;letter-spacing:.1em}.ce-learner-contents__head strong{display:block;margin-top:.15rem}.ce-learner-contents__close{display:none;width:42px;height:42px;border:1px solid #ccd7e5;border-radius:10px;background:#fff;font-size:1.2rem}.ce-learner-tabs{display:grid;gap:.35rem;margin-top:.75rem}.ce-learner-tab{display:grid;grid-template-columns:30px minmax(0,1fr);gap:.65rem;align-items:center;width:100%;min-height:48px;padding:.55rem .65rem;border:1px solid transparent;border-radius:12px;background:transparent;color:#14263f;text-align:left;font:inherit;cursor:pointer}.ce-learner-tab__index{display:grid;place-items:center;width:30px;height:30px;border-radius:8px;background:#eff4fb;color:#315a8d;font-size:.75rem;font-weight:900}.ce-learner-tab__label{font-size:.88rem;font-weight:780;line-height:1.25}.ce-learner-tab:hover{background:#f4f8fd}.ce-learner-tab[aria-selected="true"]{border-color:#9db8df;background:#eaf2ff;color:#0f4185}.ce-learner-tab[aria-selected="true"] .ce-learner-tab__index{background:#145fca;color:#fff}.ce-learner-tab:focus-visible,.ce-learner-contents__close:focus-visible,.ce-learner-contents-toggle:focus-visible{outline:3px solid #2f6fd0;outline-offset:2px}.ce-learner-course-map{margin-top:.9rem;border-top:1px solid #e8eef5;padding-top:.8rem}.ce-learner-course-map summary{cursor:pointer;font-size:.84rem;font-weight:850;color:#365673}.ce-learner-course-map__inner{margin-top:.7rem;max-height:38vh;overflow:auto}.ce-learner-course-map .ce-study-room__levels{display:flex;flex-wrap:wrap;gap:.35rem}.ce-learner-course-map .ce-study-room__levels a{padding:.35rem .55rem;border-radius:999px;background:#f1f5fa;font-size:.75rem}.ce-learner-course-map .ce-study-room__modules{font-size:.78rem}.ce-learner-course-map .ce-study-room__modules>li{padding:.55rem 0}.ce-learner-course-map .ce-study-room__modules ol{margin-top:.35rem}.ce-learner-course-map .ce-study-room__modules a{line-height:1.3}.ce-learner-contents-toggle{display:none;min-height:48px;width:100%;align-items:center;justify-content:space-between;gap:1rem;padding:.7rem .85rem;border:1px solid #bfcde0;border-radius:12px;background:#fff;color:#132943;font-weight:850}.ce-learner-contents-toggle span:last-child{color:#446584;font-size:.8rem}
.ce-learner-panel-deck{min-width:0}.ce-learner-panel{scroll-margin-top:110px;min-height:480px;padding:clamp(1rem,2.2vw,1.65rem);border:1px solid #d7e1ed;border-radius:20px;background:#fff;box-shadow:0 14px 45px rgba(16,42,76,.06)}.ce-learner-panel[hidden]{display:none!important}.ce-learner-panel__head{display:grid;grid-template-columns:auto 1fr;gap:.7rem;align-items:start;padding-bottom:1rem;border-bottom:1px solid #e8eef5}.ce-learner-panel__step{display:grid;place-items:center;width:38px;height:38px;border-radius:11px;background:#123f77;color:#fff;font-size:.78rem;font-weight:900}.ce-learner-panel__head h3{margin:0;font-size:clamp(1.4rem,2.4vw,2rem)}.ce-learner-panel__head p{margin:.25rem 0 0;color:#64758b}.ce-learner-panel__body{padding-top:1.1rem}.ce-learner-overview{display:grid;gap:1rem}.ce-learner-objectives{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:.8rem}.ce-learner-objectives article{padding:1rem;border:1px solid #dbe4ef;border-radius:15px;background:#f8fafc}.ce-learner-objectives span{font-size:.75rem;font-weight:850;text-transform:uppercase;letter-spacing:.08em;color:#147568}.ce-learner-objectives p{margin:.35rem 0 0}.ce-learner-reading{max-width:84ch;font-size:1.02rem;line-height:1.78}.ce-learner-reading h4{margin-top:1.35rem}.ce-learner-reading ul,.ce-learner-reading ol{padding-left:1.3rem}.ce-learner-panel .ce-study-resources,.ce-learner-panel .ce-study-lab-bridge,.ce-learner-panel .ce-learning-recorded-checkpoint{margin-top:0}.ce-learner-panel .ce-study-reading-flow{margin-top:0}.ce-learner-panel .ce-study-room__actions{margin-top:1rem}.ce-learner-panel .ce-study-section-rail{top:105px}.ce-learner-panel-nav{display:flex;justify-content:space-between;gap:.7rem;margin-top:1rem}.ce-learner-panel-nav button{min-height:44px;padding:.6rem .8rem;border:1px solid #c7d4e5;border-radius:10px;background:#fff;color:#183c66;font-weight:800}.ce-learner-panel-nav button:hover,.ce-learner-panel-nav button:focus-visible{outline:3px solid rgba(47,111,208,.25);outline-offset:2px}.ce-learner-drawer-backdrop{display:none}
@media(max-width:1180px){.ce-learner-frame{grid-template-columns:1fr}.ce-learner-contents-toggle{display:flex}.ce-learner-contents{position:fixed;z-index:10010;inset:0 auto 0 0;width:min(88vw,360px);max-height:none;border-radius:0 18px 18px 0;transform:translateX(-105%);visibility:hidden;transition:transform .2s ease,visibility 0s linear .2s;box-shadow:20px 0 60px rgba(6,20,39,.26)}.ce-learner-frame.is-contents-open .ce-learner-contents{transform:translateX(0);visibility:visible;transition:transform .2s ease}.ce-learner-contents__close{display:block}.ce-learner-drawer-backdrop{position:fixed;z-index:10000;inset:0;display:block;border:0;background:rgba(6,20,39,.52);opacity:0;visibility:hidden;pointer-events:none;transition:opacity .2s ease,visibility 0s linear .2s}.ce-learner-frame.is-contents-open .ce-learner-drawer-backdrop{opacity:1;visibility:visible;pointer-events:auto;transition:opacity .2s ease}.ce-learner-course-map__inner{max-height:none}.ce-learner-panel{min-height:0;scroll-margin-top:24px}.ce-learner-panel .ce-study-section-rail{position:static}.ce-study-room--class .ce-study-room__classbar{position:static}.ce-learner-scroll-locked{overflow:hidden}}
@media(max-width:720px){.ce-learner-workspace-page .ce-section--study{padding-top:.45rem}.ce-study-room--class .ce-study-room__classbar{padding:.85rem}.ce-study-room--class .ce-study-room__classbar h2{font-size:1.15rem}.ce-learner-panel{padding:.9rem;border-radius:15px}.ce-learner-panel__head{grid-template-columns:34px 1fr}.ce-learner-panel__step{width:34px;height:34px}.ce-learner-objectives{grid-template-columns:1fr}.ce-learner-panel .ce-study-reading-flow{display:grid;grid-template-columns:1fr}.ce-learner-panel .ce-study-reading-stack{grid-auto-columns:100%}.ce-learner-panel-nav{position:static;flex-wrap:wrap}.ce-learner-panel-nav button{flex:1 1 130px;min-height:48px}.ce-learner-tab{min-height:52px}}
@media(forced-colors:active){.ce-learner-panel,.ce-learner-contents,.ce-learner-tab[aria-selected="true"]{border:2px solid CanvasText}.ce-learner-tab:focus-visible,.ce-learner-contents-toggle:focus-visible{outline:3px solid Highlight}}
@media(prefers-reduced-motion:reduce){.ce-learner-workspace-page *{scroll-behavior:auto!important;transition:none!important;animation:none!important}}