.learning-workspace{--learn-bg:var(--ui-surface,#fff);--learn-field:var(--ui-field,#f4f7fb);--learn-raised:var(--ui-raised,#edf3fc);--learn-ink:var(--ui-ink,#253348);--learn-muted:var(--ui-muted,#596b82);--learn-line:var(--ui-line,#e2e7ee);--learn-primary:var(--ui-primary,#315d9b);max-width:1200px;margin:0 auto;padding:24px;color:var(--learn-ink);font-size:15px;line-height:1.55}.learning-workspace *{box-sizing:border-box}.learning-workspace button,.learning-workspace input,.learning-workspace select,.learning-workspace textarea{font:inherit}.learning-workspace button{cursor:pointer}.learning-workspace button:disabled{cursor:default;opacity:.55}.learning-workspace :focus-visible{outline:3px solid var(--learn-primary);outline-offset:3px}.learning-workspace h1{font-size:clamp(25px,3vw,34px);font-weight:700;letter-spacing:-.025em;line-height:1.2;margin:4px 0 12px}.learning-workspace h2{font-size:21px;line-height:1.3;font-weight:650;margin:0 0 12px}.learning-workspace p{margin:0 0 12px}.learning-workspace a{color:var(--ui-accent-text,var(--learn-primary));text-decoration:underline;text-underline-offset:3px}.learning-caption{color:var(--learn-muted);font-size:13px}.learning-eyebrow{text-transform:uppercase;letter-spacing:.09em;font-size:12px;font-weight:650;color:var(--learn-muted)}.learning-nav{display:flex;gap:6px;align-items:center;border-bottom:1px solid var(--learn-line);margin-bottom:22px;padding-bottom:12px}.learning-nav button{min-height:44px;padding:8px 14px;border:0;border-radius:9px;color:var(--learn-muted);background:transparent;white-space:nowrap}.learning-nav button[aria-current=page]{color:var(--learn-ink);background:var(--learn-raised);font-weight:650}.learning-nav>span{display:flex;gap:6px;align-items:center;margin-left:auto;font-size:12px;color:var(--learn-muted)}.learning-heading{display:flex;justify-content:space-between;gap:20px;align-items:start;margin:24px 0}.learning-heading p{color:var(--learn-muted);max-width:65ch}.learning-button{display:inline-flex;gap:8px;align-items:center;justify-content:center;min-height:46px;border:1px solid var(--learn-line);background:var(--learn-bg);color:var(--learn-ink);padding:10px 16px;border-radius:9px;line-height:1.3;font-weight:550}.learning-button:hover:not(:disabled){background:var(--learn-raised)}.learning-primary{color:var(--ui-on-primary,#fff);background:var(--learn-primary);border-color:var(--learn-primary)}.learning-primary:hover:not(:disabled){background:var(--learn-primary);filter:brightness(1.08)}.learning-icon-button{display:flex;align-items:center;justify-content:center;width:46px;height:46px;border:1px solid var(--learn-line);border-radius:9px;background:var(--learn-bg);color:var(--learn-muted)}.learning-icon-button[aria-pressed=true]{color:var(--ui-accent-text,var(--learn-primary))}.learning-home-grid{display:grid;grid-template-columns:1.65fr 1fr;gap:24px}.learning-daily{border:1px solid var(--learn-line);padding:24px;background:var(--learn-field);border-radius:12px}.learning-section-label{display:flex;gap:9px;align-items:center;font-size:13px;color:var(--learn-muted);margin-bottom:18px}.learning-daily h2{font-size:28px}.learning-daily p{max-width:58ch}.learning-daily-actions{display:flex;gap:10px;flex-wrap:wrap;margin:20px 0 12px}.learning-readiness{padding:24px;border:1px solid var(--learn-line);border-radius:12px}.learning-readiness h2{font-size:17px}.learning-coverage{display:flex;gap:14px;align-items:center;margin:16px 0}.learning-coverage strong{font-size:48px;line-height:1;letter-spacing:-.04em}.learning-coverage small{font-size:22px}.learning-coverage>span{max-width:15ch;font-size:13px;color:var(--learn-muted)}.learning-workspace progress{display:block;width:100%;height:7px;border:0;accent-color:var(--learn-primary);border-radius:5px;overflow:hidden;background:var(--learn-raised)}.learning-workspace progress::-webkit-progress-bar{background:var(--learn-raised)}.learning-workspace progress::-webkit-progress-value{background:var(--learn-primary);border-radius:5px}.learning-readiness>p{margin-top:12px}.learning-stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding:24px 0;border-bottom:1px solid var(--learn-line);margin-bottom:26px}.learning-stat-row>div{display:flex;flex-direction:column;padding-left:18px;border-left:1px solid var(--learn-line)}.learning-stat-row>div:first-child{padding-left:0;border:0}.learning-stat-row strong{font-size:25px;line-height:1.3;font-variant-numeric:tabular-nums}.learning-stat-row span{font-size:13px;color:var(--learn-muted)}.learning-exam-entry{display:flex;align-items:center;gap:18px;padding:10px 0 26px;border-bottom:1px solid var(--learn-line)}.learning-exam-entry>svg{color:var(--learn-primary);flex-shrink:0}.learning-exam-entry>div{flex:1}.learning-exam-entry h2{font-size:18px;margin-bottom:4px}.learning-exam-entry p{color:var(--learn-muted);margin:0;font-size:14px}.learning-shortcuts{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin:24px 0}.learning-shortcuts button{display:flex;align-items:center;gap:12px;text-align:left;background:transparent;border:0;color:var(--learn-ink);padding:12px 0;min-height:56px}.learning-shortcuts button>span{flex:1}.learning-shortcuts small{display:block;color:var(--learn-muted);font-size:12px}.learning-shortcuts svg{flex-shrink:0}.learning-sync-status{display:flex;align-items:center;gap:12px;justify-content:space-between;min-height:28px;color:var(--learn-muted);font-size:12px}.learning-sync-status .learning-button{font-size:12px;min-height:36px;padding:6px 10px}.learning-message{padding:12px 16px;background:var(--learn-field);border:1px solid var(--learn-line);border-radius:9px;margin:14px 0}.learning-error{border-color:var(--ui-red-text,#e05c5c)}.learning-session-bar{display:flex;align-items:center;gap:20px;margin:22px 0 14px}.learning-session-bar>div{flex:1}.learning-session-bar span{display:block;font-size:13px;color:var(--learn-muted)}.learning-session-bar [role=timer]{font-size:18px;font-variant-numeric:tabular-nums}.learning-question{margin:24px 0}.learning-question-meta{display:flex;gap:12px;align-items:center;font-size:13px;color:var(--learn-muted);margin-bottom:14px}.learning-question-meta>span:first-child{font-weight:650;color:var(--learn-ink)}.learning-question-meta>button{margin-left:auto;flex-shrink:0}.learning-question fieldset{border:0;padding:0;margin:0;min-width:0}.learning-question legend{font-size:20px;font-weight:600;line-height:1.5;width:100%;padding:0;margin-bottom:22px;overflow-wrap:anywhere}.learning-question img{max-width:100%;max-height:360px;-o-object-fit:contain;object-fit:contain;background:#fff;display:block;margin:0 0 22px}.learning-options{display:grid;gap:10px}.learning-option{display:flex;align-items:center;gap:14px;min-height:58px;border:1px solid var(--learn-line);border-radius:10px;padding:14px 16px;background:var(--learn-bg);cursor:pointer;line-height:1.45}.learning-option input{width:18px;height:18px;flex-shrink:0;accent-color:var(--learn-primary)}.learning-option-letter{display:flex;align-items:center;justify-content:center;width:28px;height:28px;flex-shrink:0;background:var(--learn-raised);border-radius:6px;font-size:13px;font-weight:700}.learning-option>span:nth-of-type(2){flex:1;min-width:0;overflow-wrap:anywhere}.learning-option>svg{flex-shrink:0}.learning-option[data-selected=true]{border-color:var(--learn-primary);background:var(--ui-accent-bg,var(--learn-field))}.learning-option[data-correct=true]{border-color:#22a06b}.learning-option[data-correct=true]>svg{color:#22a06b}.learning-option[data-wrong=true]{border-color:#e05c5c}.learning-option[data-wrong=true]>svg{color:#e05c5c}.learning-feedback{padding:16px 0 4px;border-top:1px solid var(--learn-line);margin-top:20px}.learning-feedback strong{display:block;font-size:16px;margin-bottom:8px}.learning-check,.learning-session-actions,.learning-result-actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin:20px 0}.learning-check>label{flex:1;display:flex;align-items:center;gap:9px;min-height:44px}.learning-workspace input[type=checkbox]{width:18px;height:18px;accent-color:var(--learn-primary)}.learning-session-actions>.learning-primary{margin-left:auto}.learning-question-map{display:flex;gap:8px;flex-wrap:wrap;padding:18px 0;border-top:1px solid var(--learn-line)}.learning-question-map button{display:flex;align-items:center;justify-content:center;gap:2px;min-width:44px;min-height:44px;background:var(--learn-bg);border:1px solid var(--learn-line);border-radius:7px;color:var(--learn-muted)}.learning-question-map button[data-answered=true]{background:var(--learn-raised);color:var(--learn-ink)}.learning-question-map button[aria-current=step]{border-color:var(--learn-primary);color:var(--ui-accent-text,var(--learn-primary))}.learning-filters{display:grid;grid-template-columns:2fr 1fr 1fr;gap:14px;margin:24px 0}.learning-filters label>span{display:block;font-size:12px;color:var(--learn-muted);margin-bottom:5px}.learning-filters input,.learning-filters select,.learning-dialog input,.learning-dialog select,.learning-note textarea{width:100%;min-height:46px;background:var(--learn-field);border:1px solid var(--learn-line);border-radius:8px;color:var(--learn-ink);padding:10px 12px}.learning-filters .learning-search{display:flex;align-items:center;gap:8px;align-self:end;border:1px solid var(--learn-line);border-radius:8px;padding-left:12px;background:var(--learn-field)}.learning-search input{border:0;background:transparent;min-width:0}.learning-library>button,.learning-history>button{display:flex;align-items:center;gap:16px;width:100%;text-align:left;background:transparent;color:var(--learn-ink);border:0;border-bottom:1px solid var(--learn-line);padding:18px 8px;min-height:70px}.learning-library>button:hover,.learning-history>button:hover{background:var(--learn-field)}.learning-library>button>b{font-size:16px;width:34px;flex-shrink:0;text-align:center}.learning-library>button>span,.learning-history>button>span{flex:1;min-width:0}.learning-library small,.learning-history small{display:block;color:var(--learn-muted);font-size:12px;margin-top:5px}.learning-pagination{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:24px}.learning-empty{padding:40px 0;text-align:center}.learning-note{display:grid;gap:10px;margin:26px 0}.learning-note textarea{min-height:130px;resize:vertical}.learning-note small{color:var(--learn-muted)}.learning-topic-progress{margin:30px 0}.learning-topic-progress>div{display:grid;grid-template-columns:1fr 1.3fr 150px;gap:20px;align-items:center;padding:12px 0}.learning-topic-progress small{color:var(--learn-muted);text-align:right}.learning-score{font-size:36px;font-weight:700;white-space:nowrap}.learning-result-actions>label{display:flex;align-items:center;gap:8px;margin-left:auto;min-height:44px}.learning-review-list>.learning-question{border-top:1px solid var(--learn-line);padding-top:20px}.learning-dialog{max-width:min(540px,calc(100vw - 32px));width:100%;padding:26px;color:var(--learn-ink);background:var(--learn-bg);border:1px solid var(--learn-line);border-radius:14px}.learning-dialog::backdrop{background:#000000a6}.learning-dialog h2{font-size:24px}.learning-dialog label{display:grid;gap:8px;margin:18px 0}.learning-dialog>.learning-button{margin:8px 8px 0 0}[data-text-size=large] .learning-workspace{font-size:17px}[data-contrast=high] .learning-workspace{--learn-line:var(--ui-line-strong,#737373);--learn-muted:var(--learn-ink)}@supports ((-webkit-appearance: base-select) or (-moz-appearance: base-select) or (appearance: base-select)){.learning-workspace select,.learning-workspace select::picker(select){-webkit-appearance:base-select;-moz-appearance:base-select;appearance:base-select}.learning-workspace select{align-items:center;gap:8px}.learning-workspace select::picker-icon{color:var(--learn-muted)}.learning-workspace select::picker(select){max-width:calc(100vw - 32px);max-height:min(360px,60dvh);overflow-y:auto;padding:4px;border:1px solid var(--learn-line);border-radius:8px;background:var(--learn-bg);color:var(--learn-ink);box-shadow:0 8px 24px #0000002e}.learning-workspace option{min-height:44px;padding:10px 12px;border-radius:4px;white-space:normal;overflow-wrap:anywhere}.learning-workspace option:checked{background:var(--ui-accent-bg,#edf3fc);color:var(--ui-accent-text,#315d9b)}.learning-workspace option:is(:hover,:focus-visible){background:var(--learn-field);outline:2px solid var(--ui-accent-text,var(--learn-primary));outline-offset:-2px}}@media(max-width:767px){.learning-workspace{padding:16px 12px}.learning-nav{gap:0;flex-wrap:wrap}.learning-nav button{padding:8px 12px;flex:1}.learning-nav>span{width:100%;justify-content:flex-end;padding:6px 4px 0}.learning-heading{flex-direction:column;gap:8px;margin:22px 0}.learning-home-grid{grid-template-columns:1fr;gap:16px}.learning-daily{padding:20px 18px}.learning-daily h2{font-size:24px}.learning-readiness{padding:18px}.learning-stat-row{grid-template-columns:repeat(2,1fr);gap:20px;padding:20px 0}.learning-stat-row>div:nth-child(3){padding-left:0;border:0}.learning-exam-entry{flex-wrap:wrap;gap:14px}.learning-exam-entry>div{flex-basis:calc(100% - 50px)}.learning-exam-entry>.learning-button{width:100%}.learning-shortcuts{grid-template-columns:1fr;gap:0;margin:14px 0}.learning-shortcuts button{border-bottom:1px solid var(--learn-line);padding:14px 0}.learning-sync-status{flex-wrap:wrap}.learning-session-bar{gap:12px;flex-wrap:wrap}.learning-session-bar>.learning-button{padding:10px 12px}.learning-question legend{font-size:18px}.learning-question-meta{gap:8px;flex-wrap:wrap}.learning-question-meta>span:nth-child(2){font-size:12px;max-width:45%;line-height:1.3}.learning-option{gap:10px;padding:13px 10px}.learning-check>label{flex-basis:100%}.learning-check>button{flex:1}.learning-session-actions>.learning-button{flex:1;min-width:calc(50% - 10px)}.learning-session-actions>.learning-primary{width:100%;margin-left:0}.learning-filters{grid-template-columns:1fr 1fr;gap:12px}.learning-filters>.learning-search{grid-column:1/-1}.learning-filters select{font-size:14px}.learning-library>button{gap:10px;padding:16px 0}.learning-topic-progress>div{grid-template-columns:1fr auto;gap:8px}.learning-topic-progress progress{grid-column:1/-1;grid-row:2}.learning-topic-progress small{font-size:12px}.learning-score{font-size:32px}.learning-result-actions>label{margin-left:0;width:100%}.learning-dialog{padding:22px 18px}}.learning-search:focus-within{outline:2px solid var(--ui-accent-text,var(--learn-primary));outline-offset:2px}.learning-search input:focus-visible{outline:none}.learning-workspace button[aria-current=page]{background:var(--ui-accent-bg,var(--learn-raised));color:var(--ui-accent-text,var(--learn-ink))}.learning-bookmark[aria-pressed=true]{color:var(--ui-accent-text,var(--learn-primary));background:var(--ui-accent-bg,var(--learn-raised));border-color:var(--ui-accent-line,var(--learn-line))}.learning-stem-lead,.learning-stem-tail{display:block}.learning-stem-list{display:grid;gap:10px;margin:16px 0;font-weight:450;font-size:17px}.learning-stem-list>span{display:flex;gap:12px;align-items:baseline}.learning-stem-list>span>b{min-width:24px;font-weight:650;flex-shrink:0}.learning-stem-tail{margin-top:16px}.learning-plan-layout{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(300px,1fr);gap:28px;align-items:start}.learning-plan-settings section,.learning-plan-overview{padding:24px;background:var(--learn-bg);border:1px solid var(--learn-line);border-radius:12px}.learning-plan-settings section+section{margin-top:20px}.learning-plan-settings h2{display:flex;gap:10px;align-items:center;font-size:18px}.learning-plan-settings section>label,.learning-plan-goal{display:grid;gap:9px;margin:20px 0}.learning-plan-settings input[type=date],.learning-plan-settings input[type=number]{width:100%;min-height:46px;border:1px solid var(--learn-line);border-radius:8px;padding:10px 12px;background:var(--learn-field);color:var(--learn-ink)}.learning-plan-settings fieldset{border:0;padding:0;margin:20px 0 0;min-width:0}.learning-plan-settings legend{font-size:14px;font-weight:600;margin-bottom:12px}.learning-weekdays{display:flex;gap:7px;flex-wrap:wrap}.learning-weekdays>label{position:relative;cursor:pointer}.learning-weekdays input{position:absolute;inset:0;opacity:0;width:100%;height:100%;margin:0;cursor:pointer}.learning-weekdays span{display:flex;align-items:center;justify-content:center;min-width:44px;min-height:46px;border:1px solid var(--learn-line);border-radius:8px;color:var(--learn-muted)}.learning-weekdays input:checked+span{background:var(--ui-accent-bg,var(--learn-raised));border-color:var(--ui-accent-line,var(--learn-primary));color:var(--ui-accent-text,var(--learn-primary));font-weight:650}.learning-weekdays input:focus-visible+span{outline:2px solid var(--learn-primary);outline-offset:3px}.learning-goal-presets{display:flex;gap:8px;flex-wrap:wrap}.learning-goal-presets .learning-button{flex:1}.learning-goal-presets [aria-pressed=true]{background:var(--ui-accent-bg,var(--learn-raised));color:var(--ui-accent-text,var(--learn-ink));border-color:var(--learn-primary)}.learning-topic-choice{display:flex;align-items:center;gap:10px;min-height:44px;padding:6px 0}.learning-plan-target{display:flex;gap:16px;align-items:center;margin:20px 0}.learning-plan-target>strong{font-size:44px;line-height:1;letter-spacing:-.03em}.learning-plan-target>span{color:var(--learn-muted);font-size:14px}.learning-plan-summary{display:grid;gap:12px;margin-bottom:24px}.learning-plan-summary>span{display:flex;justify-content:space-between;gap:12px;font-size:13px;color:var(--learn-muted)}.learning-plan-summary strong{color:var(--learn-ink)}.learning-plan-overview h3{font-size:15px;font-weight:650}.learning-week-plan{padding:0;margin:12px 0 20px;list-style:none}.learning-week-plan li{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:13px 0;border-bottom:1px solid var(--learn-line);font-size:14px}.learning-week-plan li[data-today=true]>span{font-weight:650;color:var(--ui-accent-text,var(--learn-primary))}.learning-week-plan li>div{text-align:right}.learning-week-plan small{display:block;color:var(--learn-muted);font-size:12px}.learning-week-plan li[data-rest=true]{color:var(--learn-muted)}.learning-plan-actions{display:flex;gap:10px;padding:24px 0}@media(max-width:767px){.learning-plan-layout{grid-template-columns:1fr;gap:20px}.learning-plan-settings section,.learning-plan-overview{padding:18px}.learning-stem-list{font-size:16px}.learning-bookmark{padding:8px 10px;font-size:13px}.learning-plan-actions{position:sticky;bottom:0;background:var(--learn-bg);border-top:1px solid var(--learn-line);padding:12px 0}.learning-plan-actions>button{flex:1}}.learning-loading{padding-top:8px}.learning-loading-nav{width:320px;max-width:90%;height:42px;background:var(--learn-raised);border-radius:8px;margin-bottom:38px}.learning-loading-heading{width:65%;height:35px;background:var(--learn-raised);border-radius:8px;margin-bottom:32px}.learning-loading-panels{display:grid;grid-template-columns:1.65fr 1fr;gap:24px}.learning-loading-panels>div{height:220px;border-radius:12px;background:var(--learn-field);border:1px solid var(--learn-line)}@media(max-width:767px){.learning-loading-panels{grid-template-columns:1fr;gap:16px}.learning-loading-panels>div{height:190px}}.learning-course-entry{display:flex;align-items:center;gap:18px;padding:24px 0;border-bottom:1px solid var(--learn-line);margin:6px 0 0}.learning-course-entry>svg{color:var(--ui-accent-text,var(--learn-primary));flex-shrink:0}.learning-course-entry>div:first-of-type{flex:1}.learning-course-entry h2{font-size:19px;margin:0 0 5px}.learning-course-entry p{font-size:14px;color:var(--learn-muted);margin:0}.learning-course-actions{display:flex;gap:8px;flex-wrap:wrap}.learning-session-bar{scroll-margin-top:16px}.learning-session-bar strong{font-size:16px}.learning-session-finish{background:transparent;border-color:transparent}.learning-session-controls{display:flex;gap:10px;align-items:center;margin:24px 0 0;padding:12px 0;border-top:1px solid var(--learn-line)}.learning-session-controls>.learning-primary{margin-left:auto;min-width:180px}.learning-exam-map{margin-top:18px}.learning-exam-map summary{min-height:48px;cursor:pointer;padding:12px 0;color:var(--learn-muted)}@media(max-width:767px){.learning-workspace{padding:12px 4px;font-size:16px}.learning-workspace h1{font-size:25px}.learning-nav{gap:4px;padding-bottom:8px;margin-bottom:18px}.learning-nav button{padding:10px 8px;font-size:15px}.learning-daily-actions{flex-direction:column}.learning-daily-actions>.learning-button{width:100%;min-height:50px}.learning-course-entry{display:grid;grid-template-columns:24px minmax(0,1fr);gap:12px;margin:0;padding:24px 0}.learning-course-actions{grid-column:1/-1;display:grid;grid-template-columns:1fr;width:100%}.learning-course-actions>.learning-button{min-height:50px}.learning-course-entry h2{font-size:20px}.learning-course-entry p{font-size:15px}.learning-workspace[data-session=true] .learning-nav{display:none}.learning-session-bar{display:grid;grid-template-columns:minmax(0,1fr) 48px;gap:8px;margin:4px 0 12px;scroll-margin-top:12px}.learning-session-return{grid-column:2;grid-row:1;min-height:48px;padding:10px}.learning-session-return>span{display:none}.learning-session-finish{grid-column:1;justify-self:start;min-height:44px;font-size:14px;padding:8px 0}.learning-session-bar [role=timer]{grid-column:2;grid-row:2;font-size:16px;text-align:right}.learning-question{margin:20px 0}.learning-question legend{font-size:18px;line-height:1.55;margin-bottom:18px}.learning-question-meta{gap:8px;font-size:14px;margin-bottom:18px}.learning-question-meta>span:nth-child(2){font-size:13px;max-width:none;flex:1}.learning-bookmark{min-height:48px;font-size:14px;padding:10px}.learning-option{min-height:60px;padding:14px 12px;gap:10px;font-size:16px;line-height:1.5}.learning-option-letter{width:28px;height:28px;font-size:14px}.learning-options{gap:10px}.learning-feedback strong{font-size:17px}.learning-session-controls{position:sticky;bottom:0;z-index:2;background:var(--learn-bg);margin-bottom:0;padding:10px 0 max(10px,env(safe-area-inset-bottom));gap:8px}.learning-session-controls>.learning-button{min-height:50px;padding:12px}.learning-session-controls>.learning-primary{flex:1;min-width:0;margin-left:0}.learning-previous{width:48px;flex-shrink:0}.learning-previous>span{display:none}.learning-filters select,.learning-search input,.learning-dialog input,.learning-dialog select,.learning-plan-settings input{font-size:16px}.learning-plan-actions{padding-bottom:max(12px,env(safe-area-inset-bottom))}}@media(pointer:coarse){.learning-button,.learning-topic-choice{min-height:48px}}[data-text-size=large] .learning-question legend{font-size:22px}[data-text-size=large] .learning-option,[data-text-size=large] .learning-stem-list{font-size:19px}.learning-library-actions{display:flex;gap:10px;flex-wrap:wrap}@media(max-width:767px){.learning-library-actions{width:100%;display:grid;grid-template-columns:1fr}.learning-library-actions>.learning-button{width:100%;min-height:48px}}.learning-home-heading{align-items:center;gap:16px}.learning-home-heading h1{max-width:24ch;margin:0;font-size:clamp(24px,2.8vw,32px);text-wrap:balance}.learning-home-heading>.learning-button{flex-shrink:0}.learning-dashboard{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);grid-template-areas:"overview today" "course course" "exam library" "shortcuts shortcuts";gap:16px;margin-bottom:28px}.learning-overview{grid-area:overview;padding:20px 22px;background:var(--learn-bg);border-radius:14px}.learning-overview h2{font-size:16px;margin-bottom:12px}.learning-overview-main{display:flex;align-items:center;gap:18px}.learning-overview-main>div{flex:1;min-width:0}.learning-overview-main p{font-size:14px;margin:0 0 10px;color:var(--learn-muted)}.learning-overview-percent{font-size:36px;line-height:1.1;letter-spacing:-.03em;font-variant-numeric:tabular-nums}.learning-overview-percent small{font-size:18px;margin-left:2px}.learning-overview-counts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:18px 0 0;padding-top:14px;border-top:1px solid var(--learn-line)}.learning-overview-counts dt{font-size:12px;color:var(--learn-muted);line-height:1.45}.learning-overview-counts dd{font-size:19px;font-weight:650;margin:3px 0 0;font-variant-numeric:tabular-nums}.learning-today{grid-area:today;background:var(--ui-accent-bg,var(--learn-field));padding:22px;border-color:var(--ui-accent-line,var(--learn-line));border-radius:14px;display:flex;flex-direction:column;justify-content:center}.learning-today-title{display:flex;align-items:center;gap:10px;margin-bottom:8px}.learning-today-title>svg{color:var(--ui-accent-text,var(--learn-primary));flex-shrink:0}.learning-today h2{font-size:21px;margin:0}.learning-today p{color:var(--learn-ink);font-size:14px;margin:0}.learning-today .learning-daily-actions{margin:18px 0 0;gap:8px}.learning-today .learning-daily-actions>.learning-button{flex:1}.learning-course-card{grid-area:course;border:1px solid var(--learn-line);border-radius:14px;padding:20px 22px;margin:0;background:var(--learn-bg)}.learning-course-card h2{font-size:19px;margin-bottom:3px}.learning-course-card p{font-size:14px}.learning-course-card .learning-course-actions{justify-content:flex-end}.learning-mode{display:flex;align-items:center;gap:14px;text-align:left;border:1px solid var(--learn-line);border-radius:14px;background:var(--learn-bg);padding:20px 22px;color:var(--learn-ink);width:100%;min-height:94px;transition:none}.learning-mode:hover{background:var(--learn-field);border-color:var(--ui-accent-line,var(--learn-line))}.learning-mode>span:nth-child(2){flex:1;min-width:0}.learning-mode strong{display:block;font-size:17px;font-weight:650;line-height:1.35}.learning-mode small{display:block;margin-top:4px;color:var(--learn-muted);font-size:13px;line-height:1.45}.learning-mode>svg{color:var(--learn-muted);flex-shrink:0}.learning-mode-icon{display:flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:12px;flex-shrink:0;background:var(--ui-accent-bg,var(--learn-field));color:var(--ui-accent-text,var(--learn-primary))}.learning-mode-exam{grid-area:exam}.learning-mode-library{grid-area:library}.learning-mode-pair{grid-area:shortcuts;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.learning-history{margin:26px 0}.learning-library-filters{grid-template-columns:minmax(0,2fr) minmax(0,1fr);margin-bottom:12px}.learning-filter-tabs{display:flex;gap:8px;overflow-x:auto;padding:4px 3px 10px;margin:0 -3px 12px;scrollbar-width:thin;scrollbar-color:var(--ui-accent-line,var(--learn-line)) transparent}.learning-filter-tabs>button{display:inline-flex;align-items:center;gap:8px;flex-shrink:0;min-height:44px;border:1px solid var(--learn-line);border-radius:9px;background:var(--learn-bg);color:var(--learn-muted);padding:8px 12px;font-size:14px;white-space:nowrap}.learning-filter-tabs>button[aria-pressed=true]{background:var(--ui-accent-bg,var(--learn-raised));color:var(--ui-accent-text,var(--learn-primary));border-color:var(--ui-accent-line,var(--learn-line));font-weight:650}.learning-filter-tabs>button>span{font-size:12px;font-variant-numeric:tabular-nums}.learning-library{display:grid;gap:10px}.learning-library>button{padding:17px 18px;gap:14px;border:1px solid var(--learn-line);border-radius:12px;background:var(--learn-bg);align-items:flex-start}.learning-library>button>b{width:36px;min-height:36px;display:flex;align-items:center;justify-content:center;border-radius:8px;background:var(--learn-field);font-size:14px}.learning-library>button>span{padding-top:4px;font-size:15px;line-height:1.55}.learning-library>button>svg{margin-top:9px;flex-shrink:0;color:var(--learn-muted)}.learning-library small{font-size:12px;margin-top:6px}.learning-workspace[data-screen=session]{max-width:960px}.learning-stem-panel{display:block;padding:22px 24px;border:1px solid var(--learn-line);border-radius:14px;background:var(--learn-bg)}.learning-question legend{margin-bottom:14px}.learning-option{border-radius:12px;min-height:62px}.learning-result-summary{border:1px solid var(--learn-line);background:var(--learn-bg);border-radius:14px;padding:24px;margin:24px 0}.learning-result-summary .learning-heading{margin:0;align-items:center}.learning-result-summary .learning-heading>div:first-child>svg{color:var(--ui-accent-text,var(--learn-primary));margin-bottom:12px}.learning-result-summary h1{font-size:27px}.learning-result-summary p{margin-bottom:0;font-size:14px}.learning-score{color:var(--ui-accent-text,var(--learn-primary));font-variant-numeric:tabular-nums}.learning-result-breakdown{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin:22px 0 0;padding-top:18px;border-top:1px solid var(--learn-line)}.learning-result-breakdown dt{font-size:13px;color:var(--learn-muted)}.learning-result-breakdown dd{font-size:24px;font-weight:650;margin:4px 0 0;font-variant-numeric:tabular-nums}.learning-workspace ::-moz-selection{background:var(--ui-accent-bg,var(--learn-raised));color:var(--learn-ink)}.learning-workspace ::selection{background:var(--ui-accent-bg,var(--learn-raised));color:var(--learn-ink)}.learning-workspace input,.learning-workspace textarea{caret-color:var(--ui-accent-text,var(--learn-primary))}@media(max-width:767px){.learning-workspace{padding-top:8px}.learning-nav{margin-bottom:18px}.learning-home-heading{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:12px;margin:18px 0}.learning-home-heading h1{font-size:23px;max-width:none}.learning-home-heading>.learning-button{font-size:13px;padding:10px;gap:6px;min-height:48px}.learning-dashboard{grid-template-columns:minmax(0,1fr);grid-template-areas:"overview" "today" "course" "exam" "shortcuts" "library";gap:12px;margin-bottom:22px}.learning-overview{padding:16px}.learning-overview h2{font-size:15px;margin-bottom:10px}.learning-overview-main{gap:14px}.learning-overview-percent{font-size:32px}.learning-overview-main p{font-size:13px;margin-bottom:8px}.learning-overview-counts{margin-top:12px;padding-top:10px;gap:8px}.learning-overview-counts dt{font-size:11px}.learning-overview-counts dd{font-size:17px}.learning-today{padding:16px}.learning-today h2{font-size:19px}.learning-today p{font-size:13px}.learning-today .learning-daily-actions{flex-direction:row;margin-top:14px}.learning-today .learning-daily-actions>.learning-button{width:auto;min-width:0;min-height:48px;font-size:14px;padding:10px}.learning-course-card{grid-template-columns:40px minmax(0,1fr);gap:12px;padding:16px}.learning-course-card h2{font-size:18px}.learning-course-card p{font-size:13px}.learning-course-card .learning-course-actions{display:flex;flex-wrap:wrap;gap:8px}.learning-course-card .learning-course-actions>.learning-button{flex:1;min-height:48px;font-size:14px}.learning-mode{padding:16px;gap:12px;min-height:86px}.learning-mode strong{font-size:17px}.learning-mode small{font-size:13px}.learning-mode-icon{width:40px;height:40px;border-radius:10px}.learning-mode-pair{gap:12px}.learning-mode-pair .learning-mode{display:block;padding:14px;min-height:124px}.learning-mode-pair .learning-mode-icon{width:32px;height:32px;margin-bottom:10px}.learning-mode-pair .learning-mode>svg{display:none}.learning-mode-pair strong{font-size:15px}.learning-mode-pair small{font-size:12px}.learning-library-filters{grid-template-columns:minmax(0,1fr);gap:10px;margin:18px 0 8px}.learning-library-filters>.learning-search{grid-column:auto}.learning-library-filters select{min-height:48px}.learning-library-filters label>span{font-size:13px}.learning-filter-tabs{gap:7px;margin-bottom:10px}.learning-filter-tabs>button{min-height:48px;font-size:14px}.learning-library>button{padding:14px 12px;gap:10px}.learning-library>button>span{font-size:15px}.learning-library>button>b{width:30px;min-height:32px}.learning-library-actions{display:flex;gap:8px}.learning-library-actions>.learning-button{flex:1;width:auto;font-size:14px;padding:10px}.learning-stem-panel{padding:18px 16px}.learning-question legend{font-size:18px;line-height:1.5}.learning-session-bar{gap:6px}.learning-session-finish{padding:8px 0;min-height:44px;font-size:13px}.learning-question{margin:16px 0}.learning-result-summary{padding:20px 16px;margin:18px 0}.learning-result-summary .learning-heading{gap:14px;align-items:start}.learning-result-summary h1{font-size:24px}.learning-result-summary .learning-score{font-size:32px}.learning-result-breakdown{gap:8px;margin-top:18px}.learning-result-breakdown dt{font-size:12px}}@media(max-width:359px){.learning-home-heading{grid-template-columns:minmax(0,1fr)}.learning-home-heading>.learning-button{justify-self:start}.learning-today .learning-daily-actions{flex-direction:column}.learning-today .learning-daily-actions>.learning-button{width:100%}}@media(prefers-reduced-motion:reduce){.learning-mode{transition:none}}[data-reduce-motion=true] .learning-mode{transition:none}.learning-quick-search{position:relative;margin:0 0 18px}.learning-quick-search>.learning-search{display:flex;align-items:center;gap:10px;min-height:50px;padding:0 14px;border:1px solid var(--learn-line);border-radius:12px;background:var(--learn-bg)}.learning-quick-search input{min-width:0;flex:1;min-height:48px;border:0;background:transparent;color:var(--learn-ink);padding:10px 0;font:inherit}.learning-quick-results{margin-top:8px;border:1px solid var(--learn-line);border-radius:12px;background:var(--learn-bg);max-height:340px;overflow:auto;padding:6px}.learning-quick-results>button{display:flex;gap:10px;align-items:center;min-height:48px;width:100%;padding:12px;text-align:left;border:0;border-radius:8px;background:transparent;color:var(--learn-ink)}.learning-quick-results>button:hover{background:var(--learn-field)}.learning-quick-results>button>span{flex:1}.learning-quick-results>button>b{font-size:13px;flex-shrink:0}.learning-quick-results p{padding:12px;margin:0}.learning-home-overview{margin-bottom:18px}.learning-engagement{display:flex;justify-content:space-between;gap:12px;margin-bottom:12px;font-size:14px}.learning-engagement>span{display:flex;align-items:center;gap:8px}.learning-engagement svg{color:var(--ui-accent-text,var(--learn-primary))}.learning-engagement small{color:var(--learn-muted)}.learning-home-overview>.learning-overview-main{margin:20px 0 14px}.learning-home-mastery{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;color:var(--learn-muted);font-size:13px}.learning-home-mastery strong{color:var(--learn-ink);margin-left:6px}.learning-badges{margin-top:14px;border-top:1px solid var(--learn-line)}.learning-badges summary{display:flex;align-items:center;gap:8px;min-height:48px;cursor:pointer;font-size:14px}.learning-badges summary>span{margin-left:auto;color:var(--learn-muted)}.learning-badges>div{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;padding:4px 0 12px}.learning-badges>div>div{display:flex;gap:10px;align-items:center}.learning-badges strong{font-size:13px;display:block}.learning-badges small{font-size:12px;color:var(--learn-muted);display:block}.learning-badges [data-earned=true]>svg{color:var(--ui-accent-text,var(--learn-primary))}.learning-badges [data-earned=false]>svg{color:var(--learn-muted)}.learning-training-modes{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.learning-workspace .learning-mode:disabled{opacity:1;background:var(--learn-field)}.learning-mode:disabled>svg{visibility:hidden}.learning-source-shortcut{display:flex;align-items:center;gap:12px;padding:18px 0;margin-top:8px}.learning-source-shortcut>span{flex:1;font-size:15px;font-weight:600}.learning-source-shortcut small{display:block;font-size:12px;font-weight:400;color:var(--learn-muted)}.learning-text-button{display:inline-flex;align-items:center;justify-content:center;gap:7px;min-height:44px;padding:8px 4px;border:0;background:transparent;color:var(--ui-accent-text,var(--learn-primary));font-size:14px;cursor:pointer}.learning-saved-shortcut{margin:0 0 18px}.learning-dialog{max-height:calc(100dvh - 32px);overflow-y:auto}.shell-dialog.learning-dialog.learning-module-dialog{display:flex;flex-direction:column;width:520px;max-width:calc(100vw - 32px);max-height:88dvh;min-height:0;overflow:hidden;padding:0;border:1px solid var(--learn-line);border-radius:14px;background:var(--learn-bg);color:var(--learn-ink)}.learning-dialog-header{display:flex;align-items:center;justify-content:space-between;flex-shrink:0;gap:12px;padding:12px 20px;border-bottom:1px solid var(--learn-line)}.learning-dialog .learning-dialog-header h2{margin:0;min-width:0;font-size:18px;line-height:26px;overflow-wrap:anywhere}.learning-dialog-header>.learning-icon-button{border:0;background:transparent;width:44px;height:44px;flex-shrink:0}.learning-dialog-body{flex:1;min-height:0;overflow-y:auto;overscroll-behavior:contain;padding:18px 20px;scrollbar-width:thin;scrollbar-color:var(--learn-muted) transparent}.learning-dialog-body>p:last-child{margin-bottom:0}.learning-dialog-footer{display:flex;justify-content:flex-end;align-items:center;flex-wrap:wrap;flex-shrink:0;gap:8px;padding:12px 20px max(12px,env(safe-area-inset-bottom));border-top:1px solid var(--learn-line);background:var(--learn-bg)}.learning-dialog-footer>.learning-button{min-width:0;min-height:48px}@media(max-width:767px){.shell-dialog.learning-dialog.learning-module-dialog{width:100%;max-width:100%;max-height:94dvh;margin:auto 0 0;border-radius:14px 14px 0 0}.learning-dialog-header{padding:10px 16px}.learning-dialog .learning-dialog-header h2{font-size:17px}.learning-dialog-body{padding:14px 16px}.learning-dialog-footer{padding-left:16px;padding-right:16px}.learning-dialog-footer>.learning-button{flex:1}.learning-dialog-footer>.learning-primary{flex:2}}.learning-setup{font-size:15px}.learning-setup-body{padding:0}.learning-setup-fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.learning-dialog .learning-setup-fields>label{margin:0;min-width:0;font-size:14px;gap:6px}.learning-setup-wide{grid-column:1/-1}.learning-setup-fields select,.learning-setup-fields input{min-height:48px}.learning-setup-order{padding:0;border:0;margin:20px 0;min-width:0}.learning-setup-order legend{padding:0;margin-bottom:8px;font-size:14px}.learning-setup-order>div{display:flex;padding:4px;gap:4px;background:var(--learn-field);border:1px solid var(--learn-line);border-radius:10px}.learning-setup-order button{flex:1;min-height:44px;border:1px solid transparent;border-radius:7px;background:transparent;color:var(--learn-muted)}.learning-setup-order button[aria-pressed=true]{border-color:var(--ui-accent-line,var(--learn-line));background:var(--ui-accent-bg,var(--learn-raised));color:var(--ui-accent-text,var(--learn-primary));font-weight:600}.learning-setup-topics{border:1px solid var(--learn-line);border-radius:12px;margin:20px 0 0;min-width:0;background:var(--learn-bg)}.learning-setup-topics>summary{display:flex;align-items:center;gap:12px;min-height:72px;padding:12px 14px;cursor:pointer;list-style:none}.learning-setup-topics>summary::-webkit-details-marker{display:none}.learning-setup-topics>summary>span:first-child{flex:1;min-width:0}.learning-setup-topics>summary small{display:block;color:var(--learn-muted);font-size:12px;margin-bottom:3px}.learning-setup-topics>summary strong{display:block;font-size:14px;font-weight:600;overflow-wrap:anywhere}.learning-setup-topics>summary>span:nth-child(2){font-size:13px;color:var(--learn-muted);white-space:nowrap;font-variant-numeric:tabular-nums}.learning-setup-topics>summary svg{flex-shrink:0;color:var(--learn-muted)}.learning-setup-topics[open]>summary{border-bottom:1px solid var(--learn-line)}.learning-setup-topics[open]>summary svg{transform:rotate(180deg)}.learning-setup-topic-actions{display:flex;justify-content:space-between;gap:8px;padding:4px 12px}.learning-setup-topic-actions .learning-text-button{font-size:13px}.learning-setup-topics>fieldset{padding:0 12px 8px;margin:0;border:0;min-width:0}.learning-dialog .learning-setup-topics label{display:flex;align-items:center;gap:10px;min-height:48px;margin:0;padding:8px 2px;font-size:14px;line-height:1.4;cursor:pointer}.learning-setup-topics label>span{flex:1;min-width:0;overflow-wrap:anywhere}.learning-setup-topics label>small{color:var(--learn-muted);font-variant-numeric:tabular-nums}.learning-dialog .learning-setup-topics input{width:18px;height:18px;min-height:18px;margin:0;padding:0;flex-shrink:0}.learning-setup-body>.learning-setup-validation,.learning-setup-body>.learning-setup-exam-note{margin:14px 0 0}.learning-setup-start{min-width:0;min-height:48px;font-size:14px}[data-text-size=large] .learning-setup{font-size:17px}[data-text-size=large] .learning-dialog .learning-setup-fields>label,[data-text-size=large] .learning-dialog .learning-setup-topics label,[data-text-size=large] .learning-setup-order legend,[data-text-size=large] .learning-setup-topics>summary strong,[data-text-size=large] .learning-setup-start{font-size:16px}[data-text-size=large] .learning-setup-topics>summary small,[data-text-size=large] .learning-setup-topics>summary>span:nth-child(2),[data-text-size=large] .learning-setup-topic-actions .learning-text-button,[data-text-size=large] .learning-setup-body>.learning-caption{font-size:14px}@media(max-width:480px){.learning-setup-fields{grid-template-columns:1fr;gap:14px}.learning-setup-topics>summary{gap:8px;padding:12px}.learning-setup-start{padding:12px 10px}}.learning-flip{width:100%;min-height:50px}.learning-card-answer{padding:20px;border:1px solid var(--ui-accent-line,var(--learn-line));border-radius:14px;background:var(--ui-accent-bg,var(--learn-field));margin:14px 0}.learning-card-answer>span{font-size:13px;color:var(--ui-accent-text,var(--learn-primary))}.learning-card-answer p{margin:10px 0 0;font-size:18px;font-weight:600}.learning-card-assess{display:flex;gap:10px}.learning-card-assess>.learning-button{flex:1;min-height:50px}.learning-library-toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--learn-muted);margin-bottom:10px}.learning-library-card{border:1px solid var(--learn-line);border-radius:12px;background:var(--learn-bg);overflow:hidden}.learning-library-toggle{display:flex;align-items:flex-start;gap:14px;width:100%;min-height:74px;border:0;background:transparent;color:var(--learn-ink);padding:16px 18px;text-align:left}.learning-library-toggle:hover:not(:disabled){background:var(--learn-field)}.learning-library-toggle:disabled{opacity:1}.learning-library-toggle>b{display:flex;align-items:center;justify-content:center;width:34px;min-height:34px;background:var(--learn-field);border-radius:8px;font-size:14px;flex-shrink:0}.learning-library-toggle>span{flex:1;min-width:0;font-size:15px;line-height:1.5;padding-top:4px}.learning-library-toggle>svg{flex-shrink:0;margin-top:8px}.learning-library-detail{border-top:1px solid var(--learn-line);padding:0 18px 14px}.learning-library-detail>.learning-question{margin:16px 0}.learning-library-detail .learning-question-meta{justify-content:flex-end}.learning-library-note summary{cursor:pointer;min-height:44px;padding:10px 0;font-size:14px}.learning-library-note textarea{width:100%;min-height:100px;background:var(--learn-field);color:var(--learn-ink);border:1px solid var(--learn-line);border-radius:8px;padding:12px;font:inherit}.learning-legend-hidden{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip-path:inset(50%);white-space:nowrap;border:0!important}@media(max-width:767px){.learning-quick-search input{font-size:16px}.learning-home-heading{grid-template-columns:1fr;margin:14px 0}.learning-home-heading h1{font-size:23px}.learning-engagement{font-size:13px;gap:8px}.learning-engagement>span{gap:5px}.learning-engagement small{font-size:12px}.learning-home-overview{padding:16px}.learning-home-overview>.learning-overview-main{margin:16px 0 12px}.learning-home-overview .learning-overview-percent{font-size:30px}.learning-badges>div{grid-template-columns:1fr;gap:16px}.learning-training-modes{grid-template-columns:1fr;gap:10px}.learning-training-modes>.learning-mode{min-height:80px;padding:14px 16px}.learning-source-shortcut{flex-wrap:wrap;gap:10px}.learning-source-shortcut>.learning-button{width:100%;min-height:48px;font-size:14px}.learning-source-shortcut>span{min-width:0}.learning-library-toggle{gap:10px;padding:14px 12px}.learning-library-toggle>b{width:28px;min-height:30px}.learning-library-detail{padding:0 12px 12px}.learning-card-answer{padding:18px}.learning-card-assess>.learning-button{font-size:14px;padding:10px}.learning-library-note textarea{font-size:16px}}.learning-worksheet,.learning-result-review{border-top:1px solid var(--learn-line);margin:18px 0;padding:4px 0}.learning-worksheet>summary,.learning-result-review>summary{display:flex;align-items:center;gap:8px;min-height:48px;padding:10px 0;cursor:pointer;font-weight:600;font-size:15px}.learning-worksheet>label,.learning-review-filter{display:flex;align-items:center;gap:8px;min-height:48px;font-size:14px}.learning-worksheet>.learning-button{margin:8px 0}.learning-home-mastery>span{display:flex;flex-direction:column;gap:4px;min-width:0;overflow-wrap:anywhere}.learning-home-mastery strong{margin-left:0;font-size:17px}.igo-image{max-width:100%;padding:8px 0 16px}.igo-image img{max-height:340px;margin:0 0 8px}.igo-option-images{padding:0 14px}.igo-image-dialog{max-width:min(1000px,calc(100vw - 24px))}.igo-image-dialog img{width:100%;max-height:75dvh;-o-object-fit:contain;object-fit:contain;background:#fff}.igo-source-warning{max-width:75ch}.igo-visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}.igo-workspace .learning-setup .igo-checkbox{display:flex;gap:12px;align-items:center;min-height:48px;padding:8px 0}.igo-workspace .learning-setup .igo-checkbox input{width:20px;height:20px;flex:0 0 20px;padding:0}.igo-count{display:grid;gap:8px;max-width:240px;margin:20px 0}.igo-workspace .learning-message{overflow-wrap:anywhere}@media(max-width:767px){.igo-image-dialog{padding:16px}.igo-option-images{padding:0 6px}}