:root{color-scheme:dark;--bg:#101c26;--panel:#192a36;--line:#30434e;--muted:#adc0cb;--accent:#93e4cf}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:var(--bg);color:#edf3f5;font:16px/1.65 system-ui,sans-serif}a{color:var(--accent);text-underline-offset:4px}header{position:sticky;top:0;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:18px max(5vw,20px);background:#101c26f5;border-bottom:1px solid var(--line)}.brand{color:#fff;font-weight:750;letter-spacing:1px;text-decoration:none}.brand span{color:var(--accent);margin-right:12px}nav{display:flex;align-items:center;gap:22px}nav a{text-decoration:none}main{max-width:1180px;margin:auto;padding:0 28px}section{padding:45px 0;border-bottom:1px solid var(--line)}.hero{padding:65px 0 40px}.eyebrow{font-size:12px;color:var(--accent);letter-spacing:2px;font-weight:700}h1{font-size:clamp(36px,5.2vw,64px);line-height:1.14;letter-spacing:-2px;margin:20px 0}h2{font-size:29px;line-height:1.25;margin:8px 0 18px}h3{font-size:20px;line-height:1.3}p{max-width:88ch}.hero>p:not(.eyebrow){color:var(--muted);font-size:18px;max-width:760px}.stats{display:flex;gap:70px;margin-top:32px}.stats div{display:flex;flex-direction:column}.stats strong{font-size:32px;font-weight:550}.stats span,.muted{color:var(--muted);font-size:13px}.notice{margin-top:30px;padding:20px 24px;background:#29302b;border:1px solid #5c6251;border-radius:10px;color:#e1e0c8}.notice p{margin:0}ol{padding-left:25px}li{margin:10px 0}.section-heading{display:flex;gap:20px;justify-content:space-between;align-items:center}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:24px}.card{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:24px;display:flex;flex-direction:column}.card h3{margin:12px 0}.card p{font-size:14px;color:var(--muted)}.card a{font-size:14px;display:block;margin:5px 0}.card label{margin-top:auto;padding-top:18px;font-size:13px;color:var(--muted);cursor:pointer}.swatch{width:25px;height:5px;border-radius:3px}.filters{display:grid;grid-template-columns:2fr 1fr 1.3fr;gap:15px;margin-top:24px}.filters label{display:flex;flex-direction:column;gap:6px;font-size:13px;color:var(--muted)}button,input,select,textarea{font:inherit;color:inherit;background:var(--panel);border:1px solid #4b6472;border-radius:7px;padding:10px 13px}button{cursor:pointer}button:hover{border-color:var(--accent)}button:disabled{opacity:.4;cursor:default}input,select{min-width:0}input[type=checkbox]{accent-color:var(--accent)}:focus-visible{outline:3px solid var(--accent);outline-offset:3px}.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:10px}table{border-collapse:collapse;width:100%;min-width:760px;font-size:14px}th{text-align:left;background:var(--panel);font-size:12px;color:var(--muted)}td,th{padding:15px;border-bottom:1px solid var(--line);vertical-align:top}td small{display:block;color:var(--muted);font-size:11px;max-width:380px;overflow-wrap:anywhere}td a{white-space:nowrap}.pagination{display:flex;justify-content:center;align-items:center;gap:24px;margin-top:20px}textarea{width:100%;resize:vertical;margin-top:15px;line-height:1.6}#notesHint,#saveStatus{font-size:14px;color:var(--muted)}#sources{font-size:14px;color:var(--muted)}footer{padding:30px 0;color:var(--muted);font-size:13px}@media(max-width:800px){.cards{grid-template-columns:repeat(2,1fr)}header{padding:13px 20px}.brand{font-size:12px}nav{gap:12px;font-size:13px}.stats{gap:35px}.filters{grid-template-columns:1fr 1fr}.filters label:first-child{grid-column:1/-1}}@media(max-width:540px){main{padding:0 18px}header{flex-wrap:wrap;gap:10px}nav{width:100%;justify-content:space-between}.cards{grid-template-columns:1fr}.hero{padding-top:36px}.stats{gap:22px}.stats strong{font-size:26px}.stats span{font-size:11px}.section-heading{align-items:flex-start}h2{font-size:24px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

/* Readable touch controls and large-screen study layout. */
*{box-sizing:border-box}button,input,select,nav a{min-height:44px}input,select,textarea{font-size:16px!important}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid #ffe08a;outline-offset:3px}header{flex-wrap:wrap;gap:12px}nav{flex-wrap:wrap}main{overflow-wrap:break-word}.table-wrap{max-width:100%;overflow:auto}table{min-width:600px}@media(max-width:600px){header{padding:14px}header nav{width:100%;justify-content:space-between}main{padding-inline:16px}.filters{display:grid;grid-template-columns:1fr}.section-heading{flex-wrap:wrap;gap:12px}.stats{flex-wrap:wrap}.cards{grid-template-columns:1fr}textarea{max-width:100%}}@media(min-width:2000px){html{font-size:22px}main{max-width:1700px}input,select,textarea{font-size:1rem!important}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}
/* Keep the study tasks close to the first screen. */
.study-room .hero{padding:24px 0 28px}.study-room h1{font-size:clamp(28px,3.6vw,42px);letter-spacing:-.8px;margin:10px 0 12px}.study-room .hero>p:not(.eyebrow){font-size:16px;margin:10px 0}.study-room .stats{margin-top:18px;gap:32px}.study-room .stats strong{font-size:24px}.study-room .stats span{font-size:14px}.study-room .quick-links{margin-top:18px}.coverage-details{margin-top:22px}.coverage-details .notice{margin-top:16px}.coverage-details summary{min-height:44px;display:flex;align-items:center}.skip-link{position:absolute;top:-200px;left:16px;padding:12px 18px;background:#20443f;color:white;z-index:10}.skip-link:focus{top:12px}.study-room nav{gap:16px}.study-room nav a{font-size:14px}.study-room .table-wrap th{font-size:14px}.study-room td small{font-size:13px}.study-room .card label,.study-room .filters label{font-size:14px}@media(max-width:600px){.study-room header nav{justify-content:flex-start;gap:10px}.study-room header nav select{margin-left:auto;max-width:135px}.study-room .stats{gap:20px}.study-room .hero{padding-top:22px}.study-room .stats span{font-size:14px}.study-room h1{letter-spacing:-.4px}.study-room .pagination{gap:12px;flex-wrap:wrap}.study-room .quick-links a{font-size:14px}}
@media print{.skip-link,.coverage-details{display:none!important}}