.progress-stats.learn-stats-4{grid-template-columns:repeat(4,minmax(0,1fr))}.progress-stats>div>small.learn-stat-note{margin-top:4px;font-size:12.5px;display:block}.next-session .learn-hero-actions{flex-wrap:wrap;gap:10px;margin-top:auto;display:flex}.next-session .learn-hero-actions>.button-link,.next-session .learn-hero-actions>button{margin-top:0}.next-session .learn-hero-actions>.learn-hero-secondary{color:var(--card-fg);border:1px solid color-mix(in srgb, var(--card-fg) 35%, transparent);background:0 0}.next-session .learn-hero-actions>.learn-hero-secondary:hover{background:color-mix(in srgb, var(--card-fg) 10%, transparent);color:var(--card-fg)}.quick-actions>button>span:not([aria-hidden]){text-align:left}.session-filter-summary:empty{margin:0}.learn-streak{border:1px solid var(--theme-border);border-radius:var(--r-md);background:var(--theme-surface);align-items:center;gap:16px;margin:0 0 20px;padding:16px 20px;display:flex}.learn-streak-icon{color:var(--theme-muted-text);flex-shrink:0}.learn-streak-on .learn-streak-icon{color:#e8590c}.learn-streak-text{flex:1;gap:3px;min-width:0;display:grid}.learn-streak-text strong{font-size:17px}.learn-streak-text span{color:var(--theme-muted-text);font-size:13.5px}.learn-streak-week{flex-shrink:0;gap:6px;margin:0;padding:0;list-style:none;display:flex}.learn-streak-week li{border-radius:var(--r-pill);border:1px solid var(--theme-border);width:30px;height:30px;font-family:var(--font-num);color:var(--theme-muted-text);place-items:center;font-size:11.5px;display:grid}.learn-streak-week li.active{background:var(--theme-ink);border-color:var(--theme-ink);color:var(--theme-page)}.learn-sr-only{clip:rect(0 0 0 0);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}.topic-grid>a>.learn-topic{flex:1;gap:6px;min-width:0;display:grid}.learn-topic small{font-family:var(--font-num);color:var(--theme-muted-text);font-size:11.5px;font-weight:400}.learn-bar{border-radius:var(--r-pill);background:var(--theme-raised);height:4px;display:block;overflow:hidden}.learn-bar>span{border-radius:inherit;background:var(--theme-ink);height:100%;transition:width .4s var(--ease);display:block}.session-history .learn-session-score{font-family:var(--font-num);color:var(--theme-ink);white-space:nowrap;flex-shrink:0;margin-top:0;font-size:13.5px;font-weight:500}.session-history .learn-session-score.learn-muted{color:var(--theme-muted-text);font-weight:400}.bank-filters .learn-filter-note{grid-column:1/-1;margin:0;font-size:12.5px}.bank-grid[aria-busy=true]{opacity:.55;transition:opacity .2s}.bank-card-head{margin-bottom:14px}.bank-card .bank-card-facts{flex-wrap:wrap;align-items:center;margin:0 0 6px;display:flex}.bank-card-facts>*+:before{content:"·";margin:0 7px}.bank-card-facts .difficulty{gap:5px}.bank-card-facts .difficulty-label,.bank-card-facts .difficulty strong{font:inherit;letter-spacing:inherit;color:inherit}.bank-card-facts .difficulty strong{color:var(--theme-text)}.bank-card-facts .difficulty-toggle{font:inherit;letter-spacing:inherit;text-transform:inherit;border:0;padding:0}.bank-card-title{letter-spacing:-.01em;color:var(--theme-ink);font-size:15px;font-weight:600;text-decoration:none;display:block}.bank-card-title:hover{text-decoration:underline}.bank-card-status{color:var(--theme-muted-text);white-space:nowrap;font-variant-numeric:tabular-nums;align-items:baseline;gap:6px;margin-right:4px;font-size:13px;display:inline-flex}.bank-card-status>:last-child{color:var(--theme-text);font-weight:500}.bank-card-status .learn-right{color:var(--theme-green-ink)}.bank-card-status .learn-wrong{color:var(--theme-red-ink)}.bank-card-status .learn-partial,.bank-card-status .learn-due{color:var(--theme-amber-ink)}.session-builder .learn-builder-error{flex-basis:100%;margin:0}.filter-tabs a{border-radius:var(--r-sm);min-height:34px;color:var(--theme-muted-text);white-space:nowrap;align-items:center;gap:8px;padding:4px 14px;font-size:13.5px;font-weight:500;text-decoration:none;display:inline-flex}.filter-tabs a:hover{color:var(--theme-ink)}.filter-tabs a[aria-current=page]{background:var(--theme-surface);color:var(--theme-ink);box-shadow:var(--shadow-sm)}.filter-tabs .learn-count{font-family:var(--font-num);color:var(--theme-muted-text);font-size:11.5px}.learn-breadcrumb ol{color:var(--theme-muted-text);flex-wrap:wrap;align-items:center;gap:6px;margin:0 0 18px;padding:0;font-size:13.5px;font-weight:500;list-style:none;display:flex}.learn-breadcrumb li+li:before{content:"/";color:var(--theme-faint-text);margin-right:6px}.learn-breadcrumb a{color:var(--theme-muted-text);text-decoration:none}.learn-breadcrumb a:hover,.learn-breadcrumb [aria-current]{color:var(--theme-ink)}.learn-question-history{color:var(--theme-muted-text);margin:0 0 6px;font-size:13.5px}.standalone-question>.question-content{font-size:1.04em}.standalone-question .player-choice>button:first-child .diagram-link{pointer-events:none}.learn-letter-tiles{flex-wrap:wrap;gap:8px;margin:24px 0;display:flex}.learn-letter-tiles>.learn-letter-tile{border:1px solid var(--theme-strong-border);border-radius:var(--r-md);background:var(--theme-surface);min-width:52px;min-height:48px;color:var(--theme-ink);font-family:var(--font-num);box-shadow:var(--shadow-xs);justify-content:center;align-items:center;gap:4px;padding:6px 12px;font-size:15px;font-weight:500;transition:border-color .15s,box-shadow .15s,background .15s;display:inline-flex}.learn-letter-tiles>button.learn-letter-tile:hover:not(:disabled){background:var(--theme-surface);border-color:var(--theme-ink)}.learn-letter-tiles>.learn-letter-tile.selected{background:var(--theme-ink);color:var(--theme-page);border-color:var(--theme-ink)}.learn-letter-tiles>.learn-letter-tile.correct{background:var(--theme-green-surface);color:var(--theme-green-ink);border-color:var(--theme-green-ink);box-shadow:0 0 0 1px var(--theme-green-ink)}.learn-letter-tiles>.learn-letter-tile.incorrect{background:var(--theme-red-surface);color:var(--theme-red-ink);border-color:var(--theme-red-ink);box-shadow:0 0 0 1px var(--theme-red-ink)}.learn-letter-tiles svg{flex:none}.learn-check-actions{border-top:1px solid var(--theme-border);flex-wrap:wrap;align-items:center;gap:12px;margin-top:24px;padding-top:20px;display:flex}.learn-check-actions>p{margin:0;font-size:13.5px}.standalone-question .review-answer{margin-top:24px;padding-top:18px}.standalone-question .review-answer>strong{font-size:16px;font-weight:600}.standalone-question .review-answer>strong.learn-correct{color:var(--theme-green-ink)}.standalone-question .review-answer>strong.learn-incorrect{color:var(--theme-red-ink)}.learn-marking{border-top:1px solid var(--theme-border);margin-top:24px;padding-top:20px}.learn-marking>p{color:var(--theme-ink);margin:0 0 12px;font-size:14px;font-weight:550}.learn-marking>p>small{color:var(--theme-muted-text);font-weight:400}.learn-mark-buttons{flex-wrap:wrap;align-items:center;gap:6px;display:flex}.learn-mark-buttons>button{border-radius:var(--r-pill);min-width:48px;min-height:36px;font-family:var(--font-num);padding:4px 12px;font-size:13px;font-weight:500}.learn-mark-buttons>label{color:var(--theme-text);align-items:center;gap:8px;margin-left:6px;font-size:13px;font-weight:550;display:inline-flex}.learn-mark-buttons input{width:76px;min-height:36px}.learn-marking .learn-saved-mark{color:var(--theme-muted-text);margin:12px 0 0;font-size:13.5px}.question-tools .question-source>a{font-weight:550}.question-tools .report-disclosure{margin-top:4px}.question-tools .report-disclosure form{gap:4px;display:grid}.question-tools .report-disclosure form>button{justify-self:start}.question-tools .report-disclosure~.report-disclosure{margin-top:12px}.question-tools [role=status]{color:var(--theme-muted-text);font-size:13.5px}.review-card-history .learn-note-excerpt{color:var(--theme-text);overflow-wrap:anywhere;font-style:italic}.learn-saved-toolbar{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;margin:0 0 20px;display:flex}.learn-saved-toolbar>p{margin:0}.bank-card-actions>.learn-unsave{color:var(--theme-ink);align-items:center;gap:6px;display:inline-flex}.learn-toast{left:50%;bottom:calc(24px + var(--tabbar-h,0px));z-index:50;border-radius:var(--r-md);background:var(--theme-ink);max-width:calc(100vw - 32px);color:var(--theme-page);box-shadow:var(--shadow-lg);animation:learnToastIn .25s var(--ease);align-items:center;gap:16px;padding:10px 10px 10px 18px;font-size:14px;display:flex;position:fixed;translate:-50%}.learn-toast span{text-overflow:ellipsis;white-space:nowrap;min-width:0;overflow:hidden}.learn-toast button{border-radius:var(--r-sm);background:var(--theme-page);min-height:34px;color:var(--theme-ink);border:0;padding:6px 14px;font-size:13px;font-weight:600}.learn-toast button:hover{background:var(--theme-raised)}@keyframes learnToastIn{0%{opacity:0;translate:-50% 10px}}.panel+.panel{margin-top:16px}.topic-progress .learn-coverage{margin-top:2px;display:block}.table-wrap table{border-collapse:collapse;width:100%}.table-wrap td a{color:var(--theme-ink);font-weight:550;text-decoration:none}.table-wrap td a:hover{text-decoration:underline}.table-wrap td.learn-num,.table-wrap th.learn-num{text-align:right;white-space:nowrap}@media (max-width:760px){.progress-stats.learn-stats-4{grid-template-columns:1fr 1fr}.learn-streak{flex-wrap:wrap}.learn-streak-week{justify-content:space-between;width:100%}.learn-hide-narrow{display:none}}@media (max-width:480px){.progress-stats.learn-stats-4{grid-template-columns:1fr}}@media (prefers-reduced-motion:reduce){.learn-toast{animation:none}.learn-bar>span{transition:none}}
