:root{--bg:#f3f5f1;--ink:#203d35;--green:#254d40;--line:#dde4db;--lime:#d8eeaa;--muted:#65746b}body{background:var(--bg);color:var(--ink);font-size:16px;letter-spacing:-.025em}.site-header{height:64px;padding:0 max(20px,calc((100vw - 1060px)/2));align-items:center;background:#fff;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:9px;font-weight:750;font-size:12px;letter-spacing:.03em}.brand-mark{width:29px;height:29px;display:grid;place-items:center;background:var(--green);color:var(--lime);border-radius:8px;font-size:13px}.header-tag{font-size:12px;color:var(--muted)}main{max-width:720px;margin:26px auto;padding:0 20px 40px}.eyebrow{font-size:10px;letter-spacing:2px;color:#627561}h1{font-size:30px;letter-spacing:-1.1px;margin:10px 0;line-height:1.25}h2{font-size:23px;line-height:1.5;letter-spacing:-.6px}h3{font-size:17px}.card{border:1px solid var(--line);border-radius:20px;padding:24px;box-shadow:0 3px 15px #15321e04;margin:18px 0}.lesson-meta{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:8px}.lesson-meta span{font-size:11px;background:#e5ecdF;border-radius:20px;padding:4px 10px;color:#506b4b}.lesson-top p{font-size:14px;color:var(--muted);margin:8px 0 18px}.lesson-top .target-line{font-size:13px;background:#e7eee0;padding:11px 14px;border-radius:10px;color:#38503a}.muted,.summary-note{color:var(--muted)}button,.button{border-radius:12px;font-weight:600;min-height:48px;line-height:1.4}button:hover:not(:disabled){filter:brightness(.96)}button:focus-visible,a:focus-visible,summary:focus-visible,input:focus-visible{outline:3px solid #819d53;outline-offset:3px}button:disabled{opacity:.48}.secondary{background:#e7ede2!important;color:#365241!important}.message{background:#e5efdc;border:1px solid #d3e2c5;padding:15px 18px;font-size:14px;line-height:1.7}.error{background:#fbede3;border-color:#e9ccba}.preview-info{margin:18px 0 0;font-size:12px;color:var(--muted);border:0;padding:0}.preview-info summary{cursor:pointer}.preview-info p{margin:8px 0;font-size:12px}.help-visual{background:#f1f5ed;border-radius:14px;padding:18px;margin:18px 0}.help-visual .units{display:flex;gap:8px;flex-wrap:wrap}.unit-box{background:#dcebbe;border:1px solid #c6d9a7;padding:10px 12px;border-radius:8px;text-align:center;font-size:14px}.unit-box small{display:block;font-size:11px;color:#62765b}.bar-row{display:grid;grid-template-columns:22px 1fr 52px;gap:8px;align-items:center;margin:14px 0;font-size:13px}.bar-row i{height:16px;display:block;background:#3b6951;border-radius:4px}.bar-row:nth-child(2) i{background:#c58a38}.bar-row b{font-weight:600}.help-body{font-size:15px;line-height:1.85}.help-result{padding:18px;border:1px solid #c9dab7;border-radius:14px;background:#f2f7eb}.help-result h3{margin:0 0 8px}.help-result p{margin:0}.practice-choice,.answer-option{min-height:54px;border:1px solid #d2ded0!important;background:#fff!important;color:#254436!important;font-weight:500;border-radius:12px;display:block;width:100%;text-align:left;padding:14px 16px;scroll-margin-block:100px}.practice-choice.selected,.answer-option[aria-pressed=true]{background:#ecf4e2!important;border:2px solid #547b44!important;padding:13px 15px}.help-choice{min-height:50px}.question-number{font:12px ui-monospace,monospace;color:#698463}#recordCard{box-shadow:none;background:#f9fbf7}#recordCard h2{font-size:16px;margin:0 0 10px}details summary{font-size:14px}#records details p{font-size:14px}.saved-note{font-size:11px;color:#64795d;text-align:right}#restart{font-size:12px;min-height:40px;background:transparent!important;border:1px solid #d4ddd0;font-weight:500}.completion-check{background:#dcecbb!important;border-radius:18px!important;color:#3d6535!important}@media(max-width:480px){.site-header{height:54px;padding:0 18px}main{margin:20px auto;padding:0 16px 32px}h1{font-size:27px}h2{font-size:21px}.card{padding:20px 18px;border-radius:18px}.lesson-top p{font-size:13px}.help-visual{padding:14px}.header-tag{font-size:11px}}

.report-goal{padding:0;border-top:0;border-bottom:1px solid #e0e7d9}.report-goal summary{padding:16px 0;display:flex;justify-content:space-between;align-items:center;gap:12px;cursor:pointer;list-style:none}.report-goal summary span{font-size:14px;font-weight:600;flex:1}.report-goal summary small{font-size:11px;font-weight:400;color:#64795d;white-space:nowrap}.report-goal summary:after{content:'+';color:#7e916d}.report-goal[open] summary:after{content:'−'}.report-goal p{font-size:14px;margin:0 0 14px}.report-goal+.next-release{margin-top:20px}.next-release p{font-size:14px;line-height:1.8}.next-release .summary-note{font-size:12px}