:root{--ink:#17211e;--muted:#65716a;--line:#dce2dc;--paper:#fff;--bg:#f5f6f2;--accent:#256747;--pale:#ecf4eb;--warm:#99661d;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:var(--bg)}*{box-sizing:border-box}body{margin:0;font-size:15px;line-height:1.65}a{color:var(--accent);text-underline-offset:3px}button,input,select,textarea{font:inherit}button,select{cursor:pointer}button{border:1px solid var(--line);background:white;padding:9px 14px;color:var(--ink)}button:hover{background:var(--pale);border-color:#a6b8a8}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #61a57a;outline-offset:3px}button:disabled{opacity:.5;cursor:default}input,select,textarea{border:1px solid var(--line);background:white;padding:9px 11px;color:var(--ink);max-width:100%}input[type=checkbox]{accent-color:var(--accent);width:15px;height:15px;flex-shrink:0}header{max-width:1460px;margin:auto;padding:24px 44px;display:flex;justify-content:space-between;border-bottom:1px solid var(--line);gap:20px}.brand{font-weight:800;letter-spacing:.14em;font-size:14px}.about-link{font-size:13px;color:var(--muted)}.intro{max-width:1460px;margin:auto;padding:44px 44px 34px;position:relative}.intro h1{font-size:clamp(32px,4.2vw,60px);line-height:1.12;letter-spacing:-.04em;font-weight:650;margin:0 0 18px;max-width:900px}.intro>p{font-size:17px;max-width:670px;color:var(--muted);margin:0 0 30px}.stats{display:flex;gap:35px;flex-wrap:wrap}.stat b{font-size:25px;line-height:1;display:block;font-weight:600;font-variant-numeric:tabular-nums}.stat span{font-size:12px;color:var(--muted)}.toolbar{max-width:1372px;margin:0 auto;display:flex;align-items:center;gap:12px;background:var(--bg);position:sticky;top:0;z-index:20;padding:13px 0;border-bottom:1px solid var(--line)}.search{position:relative;flex:1}.search input{width:100%;padding:12px 40px 12px 15px}.search kbd{position:absolute;right:14px;top:12px;color:var(--muted);font-size:12px;border:1px solid var(--line);padding:0 6px;background:var(--bg)}#filters-toggle{display:none}.layout{max-width:1460px;padding:26px 44px 65px;display:grid;grid-template-columns:255px minmax(0,1fr);gap:36px;margin:auto}aside{align-self:start;position:sticky;top:85px;max-height:calc(100vh - 105px);overflow:auto;padding-right:12px;scrollbar-width:thin}aside h2{font-size:14px;margin:0 0 12px;font-weight:700}.filter-heading{display:flex;justify-content:space-between;align-items:baseline}.text-button{border:0;padding:0;background:none;font-size:12px;color:var(--muted)}aside select,aside input[type=number]{width:100%;font-size:12px}.area-option{display:flex;align-items:flex-start;gap:8px;font-size:12px;margin-bottom:9px;line-height:1.4;cursor:pointer}.area-option input{margin-top:2px}.area-option span:nth-child(2){flex:1}.area-option .count{color:var(--muted);font-variant-numeric:tabular-nums}.small{font-size:12px}.muted{color:var(--muted)}.results-line{display:flex;justify-content:space-between;margin-bottom:15px;gap:12px;font-size:13px;color:var(--muted)}.problem-card{background:var(--paper);border:1px solid var(--line);margin-bottom:18px;padding:25px 28px 22px;scroll-margin-top:95px;content-visibility:auto;contain-intrinsic-size:auto 570px}.problem-card:target,.problem-card.focused{border-color:var(--accent);outline:2px solid #c2d7c3}.card-meta{display:flex;gap:8px;align-items:center;flex-wrap:wrap;font-size:10px;letter-spacing:.02em;color:var(--muted);margin-bottom:11px}.card-heading{display:flex;gap:20px;align-items:flex-start}.card-heading h2{font-size:23px;font-weight:620;line-height:1.3;letter-spacing:-.02em;margin:0 0 11px;flex:1;overflow-wrap:anywhere}.subtitle{font-size:12px;color:var(--muted);margin:0 0 18px}.card-section{margin:17px 0}.card-section h3,.card-details h3{font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin:0 0 7px;font-weight:700}.card-section p,.card-details p{font-size:14px;margin:0 0 10px;line-height:1.75}.formal{font-family:"Cambria",Georgia,serif;font-size:16px!important;line-height:1.8!important;overflow-wrap:anywhere}.source-statement{white-space:pre-wrap;border-left:2px solid #afc6b3;margin:10px 0;padding:5px 0 5px 17px;font-size:13px;line-height:1.8;overflow-wrap:anywhere}.source-statement .source-caption{display:block;font-family:system-ui;font-size:11px;color:var(--muted);margin-top:8px}.why{border-top:1px solid var(--line);padding-top:15px}.status-line{font-size:12px;background:var(--bg);padding:9px 11px;margin:15px 0;color:#516054}.card-details{border-top:1px solid var(--line);padding:12px 0 0;margin-top:17px}.card-details>summary{cursor:pointer;font-size:13px;color:var(--accent);font-weight:600}.details-body{padding-top:16px}.references{padding-left:20px;font-size:12px;line-height:1.65;overflow-wrap:anywhere}.references li{padding:4px 0}.progress{padding-left:16px;border-left:1px solid #adc4b1;margin:0 0 20px}.progress-item{margin:0 0 15px;position:relative}.progress-item:before{content:'';height:5px;width:5px;background:var(--accent);position:absolute;left:-19px;top:9px}.progress-item time{font-size:11px;color:var(--accent);font-weight:600}.progress-item p{margin-top:3px;font-size:13px}.card-footer{display:flex;gap:16px;align-items:center;font-size:11px;margin-top:15px;padding-top:12px;border-top:1px solid var(--line);color:var(--muted);flex-wrap:wrap}.card-footer a{color:var(--muted)}.card-footer button{font-size:11px;padding:0;border:0;background:none;color:var(--muted)}#more{display:block;width:100%;padding:13px;margin-top:20px}#more[hidden]{display:none}#empty{padding:50px 20px;text-align:center}#empty h2{font-size:23px}.methodology{border-top:1px solid var(--line);padding:40px 44px;max-width:1460px;margin:auto}.methodology h2{font-size:23px}.methodology p{font-size:13px;max-width:900px;color:var(--muted)}#top{position:fixed;bottom:22px;right:23px;z-index:25;width:40px;height:40px;padding:0;font-size:20px}#toast{position:fixed;bottom:23px;left:50%;transform:translateX(-50%);background:var(--ink);color:white;font-size:13px;padding:8px 16px;z-index:30;opacity:0;pointer-events:none;transition:opacity .15s}#toast.visible{opacity:1}.katex-display{overflow-x:auto;overflow-y:hidden;padding:5px 0}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip{position:absolute;top:-100px;left:15px;z-index:100;background:white;padding:10px}.skip:focus{top:10px}
@media(min-width:1250px){.intro .stats{position:absolute;right:44px;bottom:45px;display:grid;grid-template-columns:1fr 1fr;gap:22px 35px}.intro>p{max-width:640px}}@media(max-width:1459px){.toolbar{margin-left:44px;margin-right:44px}}@media(max-width:960px){.layout{grid-template-columns:210px minmax(0,1fr);gap:22px;padding-left:25px;padding-right:25px}.toolbar{margin-left:25px;margin-right:25px}.problem-card{padding:20px}.card-heading h2{font-size:21px}header,.intro{padding-left:25px;padding-right:25px}.intro h1{font-size:42px}.toolbar select{max-width:185px}}@media(max-width:720px){header{padding:17px}.about-link{font-size:11px}.intro{padding:30px 17px 24px}.intro h1{font-size:35px}.intro>p{font-size:15px}.stats{gap:21px}.stat b{font-size:22px}.stat span{font-size:10px}.toolbar{margin:0;padding:9px 17px;gap:8px;flex-wrap:wrap}.search{flex-basis:100%}.toolbar select{flex:1;max-width:none;font-size:12px}.toolbar button{font-size:12px}#filters-toggle{display:block}.layout{display:block;padding:18px 17px 35px}aside{display:none;position:static;max-height:none;margin-bottom:25px;background:white;padding:20px;border:1px solid var(--line)}aside.visible{display:block}.area-option{font-size:13px}.problem-card{padding:19px 17px;scroll-margin-top:130px}.card-heading{gap:10px}.card-heading h2{font-size:20px}.card-meta{font-size:9px}.card-section p{font-size:13px}.formal{font-size:15px!important}.methodology{padding:28px 17px}.results-line{font-size:11px}.katex{font-size:1.05em}#top{right:12px;bottom:12px}}
header nav{display:flex;gap:22px}.brand{text-decoration:none;color:var(--ink)}.intro .eyebrow{font-size:10px;letter-spacing:.15em;font-weight:650;color:var(--accent);margin-bottom:18px}.intro-links{display:flex;gap:24px;font-size:13px;margin:0 0 28px}.coverage-note{font-size:12px;color:var(--muted);padding:12px 14px;border:1px solid var(--line);margin:0 0 20px;background:#f0f3ed}.table-scroll{overflow:auto;max-height:500px;border:1px solid var(--line);background:white}.table-scroll table{width:100%;border-collapse:collapse;font-size:12px}.table-scroll th,.table-scroll td{padding:10px 14px;border-bottom:1px solid var(--line);text-align:right;white-space:nowrap}.table-scroll th:first-child{text-align:left}.table-scroll thead th{position:sticky;top:0;background:#edf2eb;font-size:11px;z-index:1}.table-scroll tbody th{font-weight:500}.table-scroll .added{color:var(--accent)}.table-scroll>p{padding:0 14px}#area-count{font-weight:400;color:var(--muted)}.area-option[hidden]{display:none}#active-filters{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:10px}#active-filters:empty{display:none}.filter-chip{font-size:11px;padding:3px 8px;background:var(--pale);border:1px solid #bacebb}.filter-chip:hover{border-color:var(--accent)}
@media(max-width:720px){header nav{gap:12px}.table-scroll th,.table-scroll td{padding:8px 10px}.coverage-note{font-size:11px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}.toolbar{flex-wrap:wrap}#cards{overflow-anchor:none}
@media print{header,.toolbar,aside,.intro,.methodology,#top,#more,.results-line,.card-footer button,.coverage-note{display:none!important}.layout{display:block;padding:0}.problem-card{content-visibility:visible;break-inside:avoid;border:0;border-bottom:1px solid #aaa;padding:15px 0}.card-details{display:block}body{background:white}}

#cards.publishing .problem-card,#cards.navigating .problem-card{content-visibility:visible}

aside{top:120px;max-height:calc(100vh - 140px)}.problem-card{scroll-margin-top:125px}
@media(max-width:720px){aside{position:static;max-height:none}.problem-card{scroll-margin-top:180px}}

.compact-card{padding:19px 24px 16px;contain-intrinsic-size:auto 320px}.compact-card .card-heading h2{font-size:19px;line-height:1.4;margin-bottom:7px}.compact-card .card-meta{margin-bottom:8px}.compact-card .compact-question,.compact-card>.source-statement{font-size:14px;line-height:1.65;margin:7px 0 10px}.compact-source{font-size:12px;line-height:1.5;margin:8px 0;overflow-wrap:anywhere;color:var(--muted)}.compact-status{font-size:11px;color:var(--warm);margin:9px 0}.compact-card .card-details{margin-top:10px;padding-top:9px}.compact-card .card-footer{margin-top:9px;padding-top:8px}@media(max-width:720px){.compact-card{padding:17px}.compact-card .card-heading h2{font-size:18px}.intro-links{flex-wrap:wrap;gap:12px 20px}}

.intro .selection-plan{font-size:13px;max-width:680px;margin:22px 0 0;padding:12px 15px;border-left:3px solid var(--accent);background:var(--pale);color:var(--ink)}.category-help{line-height:1.5;margin:0 0 12px}.area-option .count{min-width:25px;text-align:right}.area-option input{flex:0 0 15px}
.table-scroll .coverage-group th{text-align:left;background:var(--pale);font-weight:650}.table-scroll tfoot{font-weight:650;background:var(--pale)}.category-link{padding:0;border:0;text-align:left;color:var(--accent);background:transparent;font-size:inherit}.category-link:hover{text-decoration:underline;background:transparent}.table-scroll tbody th{white-space:normal;min-width:230px}.table-scroll tfoot th{text-align:left}
@media(min-width:1250px){.intro .stats{bottom:55px}}

.importance-badge{display:inline-block;font-size:12px;color:#355b51;margin:0 0 10px;font-weight:600}

/* Keep the first screen focused on categories and questions. */
header{padding-top:18px;padding-bottom:18px;align-items:center}
header nav{align-items:center;flex-wrap:wrap;gap:18px}
.intro{padding:26px 44px 20px}
.intro h1{font-size:clamp(26px,3vw,38px);line-height:1.2;margin-bottom:8px}
.intro .stats{position:static;display:block;font-size:13px;color:var(--muted)}
.toolbar{flex-wrap:nowrap;padding-top:10px;padding-bottom:10px}
.layout{padding-top:22px}
aside{top:85px;max-height:calc(100vh - 105px)}
.filter-heading h2{font-size:14px}
.compact-card{padding:18px 22px 14px;margin-bottom:14px}
.compact-card .card-meta{gap:8px 12px;margin-bottom:10px}
.card-meta>a{color:var(--muted);text-decoration:none}
.card-meta>a:hover{text-decoration:underline}
.compact-card .importance-badge{font-size:10px;margin:0 0 0 auto}
.compact-caption{display:flex;gap:8px 18px;align-items:baseline;flex-wrap:wrap}
.compact-caption p{margin:5px 0;font-size:11px}
.compact-card .card-footer{border:0;padding-top:0;margin-top:8px}
.compact-card .card-details{margin-top:8px;padding-top:8px}
.methodology{padding-top:20px;padding-bottom:20px;scroll-margin-top:85px}
.methodology>summary{cursor:pointer;font-size:15px;font-weight:600}
#collapse[hidden]{display:none}
#benchmark{font-weight:600}
header #new-problem{font-size:12px;color:var(--accent);border-color:#bacebb;background:var(--pale);white-space:nowrap}
.community-actions{display:flex;align-items:center;gap:10px 16px;flex-wrap:wrap;margin:14px 0;font-size:12px}
.community-actions button{font-size:12px}
.community-section>summary span{font-weight:400;color:var(--muted)}
#community-status{font-size:12px;max-width:none}
.community-problem{background:white;border:1px solid var(--line);padding:22px;margin:18px 0;max-width:1000px;scroll-margin-top:100px}
.community-problem h2{font-size:21px;line-height:1.4;margin:6px 0}
.community-problem h3{font-size:12px;color:var(--muted);margin:18px 0 6px}
.community-problem p.community-statement,.community-problem p.community-text{color:var(--ink);white-space:pre-wrap;overflow-wrap:anywhere;max-width:none;font-size:14px}
.community-problem p.community-statement{font-family:Cambria,Georgia,serif;font-size:16px}
.community-author,.public-note-author{font-size:11px!important;color:var(--muted)}
.public-notes:empty{display:none}
.community-thread{margin-top:15px;border-top:1px solid var(--line);padding-top:10px}
.community-thread>summary{font-size:12px;color:var(--accent);cursor:pointer;font-weight:600}
.public-note{margin:12px 0;padding:10px 13px;border-left:2px solid #bacebb;background:var(--pale)}
.public-note p{margin:3px 0 8px}
.public-note-text{white-space:pre-wrap;overflow-wrap:anywhere;font-size:13px;line-height:1.7}
.note-trap{position:absolute;left:-10000px;width:1px;height:1px;overflow:hidden}
.public-note .text-button{font-size:11px}
#contribution-dialog{width:min(660px,calc(100vw - 30px));max-height:calc(100dvh - 30px);padding:26px;border:1px solid var(--line);color:var(--ink);background:white;box-shadow:0 15px 70px #0003}
#contribution-dialog::backdrop{background:#13271eb3}
.dialog-heading{display:flex;justify-content:space-between;gap:16px;align-items:start}
.dialog-heading h2{font-size:24px;margin:0}
.dialog-heading button{border:0;background:transparent;font-size:25px;line-height:1;padding:2px 5px}
#contribution-help,#contribution-result,#long-contribution p{font-size:13px;line-height:1.6;color:var(--muted)}
.contribution-target{font-size:13px;padding:10px 12px;background:var(--pale);overflow-wrap:anywhere}
#contribution-form label{display:block;font-size:12px;font-weight:600;margin:17px 0 6px}
#contribution-form input,#contribution-form select,#contribution-form textarea{width:100%;font:inherit;font-size:14px}
#contribution-form textarea{resize:vertical;min-height:65px}
.optional{font-size:11px;font-weight:400;color:var(--muted);margin-left:5px}
.dialog-actions{display:flex;gap:12px;justify-content:space-between;align-items:center;margin-top:22px}
#submit-contribution{background:var(--accent);color:white;border-color:var(--accent);font-size:13px}
#contribution-form [hidden]{display:none!important}
#long-contribution{padding:12px;background:var(--pale);margin-top:16px}
#open-long-contribution{font-size:13px}
@media(max-width:720px){
  header nav{justify-content:flex-end;gap:7px 12px}
  header #new-problem{font-size:11px;padding:5px 8px}
  #contribution-dialog{padding:19px 17px}
  .dialog-heading h2{font-size:21px}
  .dialog-actions{flex-wrap:wrap}
  .community-problem{padding:17px}
}
@media print{#contribution-dialog,.community-actions,#community-status,.public-note>a{display:none!important}}
@media(max-width:960px){.intro{padding-left:25px;padding-right:25px}}
@media(max-width:720px){
  header{padding:15px 17px;gap:12px}
  header nav{gap:10px}
  .brand{font-size:12px;letter-spacing:.08em;white-space:nowrap}
  .intro{padding:22px 17px 16px}
  .intro h1{font-size:27px;max-width:360px}
  .toolbar{flex-wrap:wrap;padding:9px 17px}
  #filters-toggle{flex:1}
  aside{max-height:none}
  .compact-card{padding:17px}
  .compact-card .card-meta{gap:5px 9px}
  .compact-card .importance-badge{margin-left:0}
  .compact-caption{gap:2px 12px}
  .methodology{padding:20px 17px;scroll-margin-top:130px}
}

/* The retained layout control lives beside the catalogue selection. */
.toolbar #view{font-size:13px}
#areas{padding-top:4px}
.methodology h2{font-size:16px;margin:24px 0 8px}
@media(max-width:720px){.toolbar #view{font-size:12px;flex:0 0 86px}.toolbar select{min-width:0;padding-left:8px;padding-right:8px}#filters-toggle{flex:0 0 auto;padding-left:10px;padding-right:10px}}
@media(max-width:360px){.toolbar{gap:6px}.toolbar select{padding-left:6px;padding-right:6px}#filters-toggle{padding-left:6px;padding-right:6px}}

.related-problems{border-top:1px solid var(--line);padding-top:12px;margin-bottom:8px}.related-problems ul{list-style:none;padding:0;margin:0}.related-problems li{font-size:12px;line-height:1.5;margin:6px 0;overflow-wrap:anywhere}.related-problem-id{font-size:10px;color:var(--muted);white-space:nowrap;margin-right:5px}.related-more>summary{font-size:12px;color:var(--accent);cursor:pointer;margin-top:8px}

.problem-votes{display:flex;align-items:center;gap:7px;flex-wrap:wrap;margin:4px 0 12px;font-size:12px}
.vote-button{display:inline-flex;align-items:center;justify-content:center;gap:7px;min-width:56px;min-height:36px;padding:5px 10px;font-size:14px;line-height:1.2;border-radius:5px}
.vote-button[aria-pressed="true"]{color:var(--accent);background:var(--pale);border-color:var(--accent);box-shadow:inset 0 0 0 1px var(--accent);font-weight:700}
.vote-button:disabled{cursor:default;opacity:.6}
.vote-button:focus-visible,.vote-retry:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.vote-count{font-size:12px;font-variant-numeric:tabular-nums}
.vote-score{color:var(--muted);margin-left:3px;font-variant-numeric:tabular-nums}
.vote-status{color:var(--muted);font-size:11px}
.vote-status:empty,.voting-service-status:empty{display:none}
.vote-retry{padding:3px 8px;font-size:11px}
.voting-service-status{font-size:12px;color:var(--muted);margin:0 0 12px}
@media(max-width:720px){.vote-button{min-height:44px;min-width:62px}.vote-status{flex-basis:100%}}
@media print{.problem-votes,.voting-service-status{display:none!important}}

/* Keep long inline formulas readable without widening the card on phones. */
.math-overflow{display:block;max-width:100%;overflow-x:auto;overflow-y:hidden;padding:4px 0}
.problem-card .katex-display,.community-problem .katex-display{max-width:100%;overflow-x:auto;overflow-y:hidden}
.card-heading .katex{font-size:1em}
.community-review{border-left:2px solid var(--line);padding-left:12px;color:var(--muted);font-size:13px;overflow-wrap:anywhere}.community-review .small{display:block}.community-review strong{color:var(--accent)}

/* A short text introduction above the catalogue. */
:root{--bg:#f8f9f5}
.brand{font-weight:600;letter-spacing:normal;line-height:1.4;white-space:normal}
button,input,select,textarea{border-radius:5px}
textarea:focus-visible{outline:3px solid #61a57a;outline-offset:3px}
.intro{display:block;padding:28px 44px 24px}
.intro h1{font-family:inherit;font-size:24px;font-weight:600;letter-spacing:normal;line-height:1.4;max-width:780px;margin:0 0 14px}
.intro>p{font-size:15px;line-height:1.7;color:var(--ink);max-width:780px;margin:0 0 12px}
.intro>p:last-child{margin-bottom:0}
.inline-action{display:inline;border:0;border-radius:0;padding:0;background:none;color:var(--accent);font:inherit;text-decoration:underline;text-underline-offset:3px}
.inline-action:hover{background:none}
.browse-heading{max-width:1460px;margin:auto;padding:18px 44px 8px;border-top:1px solid var(--line);display:flex;justify-content:space-between;align-items:baseline;gap:20px;scroll-margin-top:15px}
.browse-heading h2{font-size:18px;line-height:1.4;font-weight:600;margin:0}
.browse-heading .stats{font-size:12px;color:var(--muted);white-space:nowrap;padding-bottom:3px}
.card-footer button[data-public-note]{color:var(--accent);font-size:12px;font-weight:600;padding:6px 10px;border:1px solid #c8d9c9;background:#f4f8f1;min-height:34px}
.card-footer button[data-public-note]:hover{background:var(--pale);border-color:var(--accent)}
.proposal-status{color:#7b5b22;background:#faf1d9;padding:2px 7px;border-radius:3px}
.site-footer{max-width:1460px;margin:auto;padding:24px 44px 38px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:16px;font-size:12px;color:var(--muted)}
.site-footer a{color:var(--muted)}
.contribution-feedback{max-width:1372px;margin:0 auto 20px;padding:14px 18px;background:var(--pale);color:var(--accent);font-size:14px;border-left:3px solid var(--accent)}
.contribution-feedback:empty{display:none}
@media(max-width:960px){.intro{padding-left:25px;padding-right:25px}.browse-heading{padding-left:25px;padding-right:25px}.site-footer{padding-left:25px;padding-right:25px}}
@media(max-width:720px){
  header{align-items:flex-start;flex-wrap:wrap;gap:14px}
  header nav{width:100%;justify-content:flex-start;gap:10px 16px}
  header .about-link{font-size:12px}
  header #new-problem{margin-left:auto;min-height:36px;font-size:11px}
  .intro{padding:22px 17px}
  .intro h1{font-size:21px}
  .intro>p{font-size:14px}
  .browse-heading{padding:16px 17px 8px;flex-wrap:wrap;gap:4px 16px}
  .browse-heading .stats{font-size:11px}
  .site-footer{padding:24px 17px 60px;flex-direction:column;gap:8px;font-size:11px}
  .contribution-feedback{margin:0 17px 20px;font-size:13px}
  .card-footer button[data-public-note]{min-height:44px}
}
@media(max-width:360px){header nav{gap:10px 14px}header #new-problem{margin-left:0}}
@media print{.browse-heading,.site-footer,.contribution-feedback{display:none!important}}