.article-layout{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(260px,1fr);gap:28px;align-items:start}.article-composer,.article-snapshot,.practice-detail{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:clamp(20px,3vw,32px);min-width:0}.article-composer>label,.article-editor-heading label{display:block;font-size:14px;font-weight:650;margin:20px 0 9px}.article-composer input[type=text],.article-composer>textarea{display:block;width:100%;padding:13px 15px;border:1px solid var(--line);border-radius:9px;background:var(--raised);color:var(--text);font:inherit}.article-composer input[type=text]:focus,.article-composer>textarea:focus{outline:2px solid var(--accent);outline-offset:2px}.article-composer>textarea{font:14px/1.85 ui-monospace,SFMono-Regular,Menlo,monospace;border-top-left-radius:0;border-top-right-radius:0;min-height:380px;resize:vertical;tab-size:4}.article-editor-heading{display:flex;align-items:center;justify-content:space-between;gap:12px}.article-editor-heading>span{font-size:11px}.markdown-tools{display:flex;gap:4px;flex-wrap:wrap;border:1px solid var(--line);border-bottom:0;border-radius:9px 9px 0 0;padding:8px;background:var(--raised)}.markdown-tools button{padding:7px 9px;border:0;border-radius:5px;color:var(--muted);background:transparent;font:inherit;font-size:12px;line-height:1.3;cursor:pointer}.markdown-tools button:hover{background:#343b3a}.markdown-tools button:focus-visible{outline:2px solid var(--accent);outline-offset:1px}.article-notice{padding:16px 18px;background:#282a22;border-radius:10px;font-size:13px;line-height:1.8}.article-notice p{margin:4px 0 0;color:var(--muted)}.article-help{font-size:12px;line-height:1.8;color:var(--muted);margin:12px 0 18px}.article-compose-actions{display:flex;gap:10px;justify-content:flex-end;flex-wrap:wrap;margin-top:20px}.article-snapshot{position:sticky;top:105px}.article-snapshot h2{font-size:21px;margin:12px 0}.article-snapshot p{font-size:13px;line-height:1.85}.article-snapshot pre{max-height:520px;overflow:auto}.article-preview-panel{margin-top:24px}.article-preview-panel iframe{width:100%;height:480px;border:1px solid var(--line);border-radius:10px;background:var(--panel)}.article-preview-panel h2{font-size:19px}.article-markdown{font-size:14px;line-height:1.9;overflow-wrap:anywhere;margin:18px 0}.article-markdown h1{font-size:23px}.article-markdown h2{font-size:21px}.article-markdown h3{font-size:18px}.article-markdown pre{padding:16px;background:#111516;color:var(--text);border-radius:9px;overflow:auto;white-space:pre}.article-markdown code{font-family:ui-monospace,monospace;font-size:.9em}.article-markdown blockquote{margin-left:0;padding-left:18px;border-left:3px solid var(--green);color:var(--muted)}.article-markdown table{border-collapse:collapse;display:block;overflow:auto}.article-markdown td,.article-markdown th{border:1px solid var(--line);padding:7px 10px}.article-markdown a{color:var(--accent);text-decoration:underline}.article-title{font-size:20px;line-height:1.6;margin:18px 0 8px}.article-origin{font-size:11px;color:var(--muted);margin:12px 0 6px}.practice-save-note{font-size:12px;line-height:1.8;color:var(--muted);margin:0 0 12px}.practice-saved-status{padding:12px 22px;background:var(--raised);font-size:12px;line-height:1.8}.practice-saved-status a{color:var(--accent);text-decoration:underline}.restore-success{margin:10px 0}.solution-write{padding:17px;background:#202823;border:1px solid #3b4a40;border-radius:10px;margin:16px 0 24px}.solution-write p{font-size:12px;line-height:1.8;margin:8px 0 0}.practice-detail{max-width:900px;margin:0 auto}.practice-history-item{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px 18px;border-bottom:1px solid var(--line)}.practice-history-item small{display:block;color:var(--muted);margin-top:5px}.practice-history-item .topic-pill{white-space:nowrap}@media(max-width:900px){.article-layout{grid-template-columns:1fr}.article-snapshot{position:static;order:-1}.article-snapshot pre{max-height:200px}.article-composer>textarea{min-height:350px}}@media(max-width:600px){.article-composer,.article-snapshot{padding:18px}.article-compose-actions .button{flex:1}.markdown-tools{gap:2px}.article-editor-heading{align-items:baseline}.article-editor-heading>span{font-size:10px}.practice-history-item{align-items:flex-start;flex-direction:column;gap:8px}}

.article-composer,.article-snapshot,.practice-detail{color:var(--text)}.article-notice{border:1px solid #454939}.article-notice strong{color:var(--accent)}.markdown-tools button:hover{color:var(--text)}.article-snapshot .side-kicker{color:var(--accent)}#article-status{color:var(--accent);font-size:13px;line-height:1.8;margin-top:16px}.article-composer [hidden],.article-preview-panel[hidden],.solution-write [hidden]{display:none!important}

/* Article indexes show titles and metadata; full content lives on the reader page. */
.solution-list{list-style:none;margin:0;padding:0;overflow:hidden}
.solution-list-heading{display:flex;justify-content:space-between;gap:12px;padding:0 2px 12px;font-size:12px;color:var(--muted);border-bottom:1px solid var(--line)}
.solution-row{position:relative;display:flex;align-items:center;gap:16px;padding:21px 3px;border-bottom:1px solid var(--line);transition:background .15s ease}
.solution-row:last-child{border-bottom:0}
.solution-row:hover{background:#ffffff04}
.solution-row-content{flex:1;min-width:0}
.solution-row h3{font-size:15px;line-height:1.65;margin:0 0 10px;font-weight:650;overflow-wrap:anywhere}
.solution-row-title{color:var(--text);text-decoration:none}
.solution-row-title::after{content:"";position:absolute;inset:0}
.solution-row-title:hover{color:var(--accent)}
.solution-row-title:focus-visible{outline:2px solid var(--accent);outline-offset:5px;border-radius:3px}
.solution-row:focus-within{background:#ffffff04}
.solution-row-meta{display:flex;align-items:center;flex-wrap:wrap;gap:8px 16px;font-size:11px;color:var(--muted)}
.solution-row-author{display:inline-flex;align-items:center;gap:7px;max-width:100%;overflow-wrap:anywhere;color:#b9c7c0}
.solution-row-author .avatar{width:22px;height:22px;flex:none}
.solution-row-stat{display:inline-flex;align-items:center;gap:5px;white-space:nowrap}
.solution-row-stat .icon{width:13px;height:13px}
.solution-row-arrow{flex:none;width:16px;height:16px;color:var(--muted)}
.solution-row-problem{position:relative;z-index:1;display:inline-block;color:var(--muted);font-size:12px;line-height:1.7;margin:-2px 0 12px;overflow-wrap:anywhere}
.solution-row-problem:hover{color:var(--accent)}
.community-layout .solution-row{padding:23px 24px}
.community-layout .solution-row h3{font-size:17px}
.solution-reader{max-width:900px;margin:0 auto;min-width:0}
nav.solution-reader-nav{display:flex;position:static;flex-wrap:wrap;justify-content:space-between;gap:12px;height:auto;width:auto;margin:0 0 24px;padding:0}
.solution-reader-problem{display:flex;align-items:center;gap:12px;color:var(--muted);font-size:13px;margin:0 0 20px;overflow-wrap:anywhere}
.solution-reader-problem .difficulty{flex:none;font-size:11px}
.solution-reader-problem>.icon{flex:none;width:15px;height:15px}
.solution-reader-problem:hover{color:var(--accent)}
.solution-reader .submission-card{padding:clamp(22px,4vw,44px);border-radius:14px;scroll-margin-top:100px}
.solution-reader .submission-header{margin-bottom:22px}
.solution-reader .author strong{font-size:14px}
.solution-reader .author small{font-size:11px;margin-top:3px}
.solution-reader .article-title{font-size:clamp(24px,3vw,32px);line-height:1.55;letter-spacing:-.4px;margin:0 0 28px;overflow-wrap:anywhere}
.solution-reader .article-markdown{font-size:15px;line-height:1.95;margin:0 0 30px}
.solution-reader .solution-code{max-height:none;font-size:13px;margin-bottom:24px}
.solution-reader .comments{margin-top:28px;padding-top:25px;scroll-margin-top:100px}
.solution-reader .comments h2{font-size:18px;margin:0 0 24px}
.solution-reader .comments h2 span{color:var(--muted);font-size:13px;margin-left:7px;font-weight:400}
.solution-reader .comment{margin-bottom:22px}
.solution-reader .comment p{font-size:14px;line-height:1.8}
.solution-reader .comment-meta{font-size:12px}
@media(max-width:540px){
  .solution-row{padding:18px 0;gap:8px}
  .solution-row-meta{gap:7px 12px;font-size:10px}
  .solution-row-author{max-width:100%}
  .solution-row h3{font-size:14px}
  .community-layout .solution-row{padding:19px 16px}
  .community-layout .solution-row h3{font-size:15px}
  .solution-reader-nav .quiet-link{font-size:11px}
  .solution-reader-problem{font-size:12px;gap:8px;align-items:baseline}
  .solution-reader .submission-card{padding:20px 17px}
  .solution-reader .article-markdown{font-size:14px}
  .solution-reader .solution-code{font-size:12px;padding:12px}
}