/* pixelvile.com/resources: a knowledge base laid out like a forum (boards, topics, a topic page with
   its discussion). Builds on site.css (tokens, nav, buttons, footer). Pages are made by
   platform/scripts/resources-build.mjs. */
.res{--r-panel:20px;--r-tile:10px}
.res-hero{padding-top:clamp(28px,4vw,56px)}
.res-hero h1{font-size:var(--fs-d1);max-width:20ch}
.res-hero .sub{max-width:56ch}
.res-crumbs{color:var(--muted);margin-bottom:20px}
.res-crumbs a{color:var(--text)}
.res-sec{padding-top:clamp(44px,6vw,80px)}
.res-h{font-family:var(--font);font-size:var(--fs-xl);font-weight:700;letter-spacing:-.02em;margin-bottom:14px}
.res-h-gap{margin-top:48px}
.res-grid{display:grid;gap:48px}
@media (min-width:1040px){.res-grid{grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);gap:64px;align-items:start}}
.res-narrow>.topics,.res-narrow>.res-empty,.res-narrow>.trades,.res-narrow>.res-h{max-width:980px}
.res-feed{margin-top:14px;font-size:var(--fs-md);color:var(--muted)}
.res-feed a{text-underline-offset:3px}

/* the pixel mark: a 3x3 grid of squares, some lit */
.px-mark{flex:none;width:44px;height:44px;padding:7px;border-radius:var(--r-tile);background:var(--ink)}
.px-mark rect{fill:var(--ink-line)}
.px-mark rect.on{fill:var(--lime)}

/* search */
.res-search{margin-top:32px;max-width:680px}
.res-search label{display:block;font-weight:600;font-size:var(--fs-md);margin-bottom:8px}
.res-search-row{display:flex;gap:10px}
.res-search input{flex:1;min-width:0;min-height:54px;border:1.5px solid transparent;border-radius:var(--r-pill);background:var(--soft);padding:0 22px;font-size:var(--fs-lg);color:var(--ink);transition:border-color .2s var(--ease),background .2s var(--ease),box-shadow .2s var(--ease)}
.res-search input::placeholder{color:var(--placeholder)}
.res-search input:focus{outline:none;background:var(--white);border-color:var(--ink);box-shadow:var(--ring-lime)}
.res-search input::-webkit-search-cancel-button{cursor:pointer}
.res-search .btn{flex:none}
.res-search[aria-busy="true"] .btn{opacity:.7}
.res-count{min-height:1.6em;margin-top:10px;font-size:var(--fs-md);color:var(--muted)}
.res-results{margin-top:4px}
.res-results.enter{animation:resIn .26s var(--ease)}
@keyframes resIn{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
@media (max-width:420px){.res-search .btn{padding:0 18px}}

/* boards */
.boards{list-style:none;border:1px solid var(--line);border-radius:var(--r-panel);overflow:hidden}
.board+.board{border-top:1px solid var(--line)}
.board-link{display:grid;grid-template-columns:44px minmax(0,1fr) auto;column-gap:16px;row-gap:6px;padding:18px 20px;text-decoration:none;transition:background .18s var(--ease)}
.board-link .px-mark{grid-row:span 2}
.board-text{display:grid;gap:2px;min-width:0}
.board-name{font-weight:700;font-size:var(--fs-lg);letter-spacing:-.01em;line-height:1.3}
.board-desc{font-size:var(--fs-md);color:var(--muted);line-height:1.5}
.board-count{font-size:var(--fs-sm);color:var(--muted);white-space:nowrap;padding-top:2px}
.board-count b{color:var(--text);font-size:var(--fs-base)}
.board-last{grid-column:2 / 4;font-size:var(--fs-sm);color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.board-last-l{font-weight:600;color:var(--text);margin-right:4px}
.board-link:active{background:var(--soft)}
@media (hover:hover) and (pointer:fine){.board-link:hover{background:var(--soft)}.board-link:hover .board-name{text-decoration:underline;text-underline-offset:3px}}
@media (max-width:520px){
  .board-link{grid-template-columns:40px minmax(0,1fr);padding:16px}
  .board-link .px-mark{width:40px;height:40px;padding:6px;grid-row:auto}
  .board-count{grid-column:2;padding:0}
  .board-last{grid-column:1 / 3;white-space:normal}
}
.board-head{display:flex;align-items:center;gap:16px}
.board-head .px-mark{width:56px;height:56px;padding:9px;border-radius:var(--r-md)}
.board-stat{margin-top:16px;color:var(--muted);font-size:var(--fs-md)}
.board-stat b{color:var(--text)}

/* topic lists */
.topics{list-style:none;border-top:1px solid var(--line)}
.topic{border-bottom:1px solid var(--line)}
.topic-link{display:grid;gap:6px;padding:18px 2px;text-decoration:none;transition:transform .12s var(--ease)}
.topic-link:active{transform:scale(.99)}
.topic-title{font-weight:700;font-size:var(--fs-lg);line-height:1.35;letter-spacing:-.01em}
.topic-sum{font-size:var(--fs-md);line-height:1.55;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.topic-meta{display:flex;flex-wrap:wrap;align-items:center;gap:6px 14px;font-size:var(--fs-sm);color:var(--muted)}
@media (hover:hover) and (pointer:fine){.topic-link:hover .topic-title{text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1.5px}}
.chip{display:inline-flex;align-items:center;gap:8px;min-height:26px;padding:0 10px;border-radius:var(--r-pill);background:var(--soft);color:var(--text);font-size:var(--fs-sm);font-weight:600;text-decoration:none}
.res-empty{border:1px dashed var(--line);border-radius:var(--r-panel);padding:22px 24px;color:var(--muted)}
.res-empty b{color:var(--text)}
.res-empty a{color:var(--text);text-underline-offset:3px}

/* topic page */
.chip-board{min-height:36px;padding:0 14px 0 6px;margin-bottom:18px}
.chip-board .px-mark{width:24px;height:24px;padding:4px;border-radius:var(--r-sm)}
.topic-page .res-hero h1{max-width:24ch;font-size:var(--fs-d2)}
.topic-lede{max-width:60ch}
.byline{display:flex;align-items:center;gap:12px;margin-top:28px}
.avatar{flex:none;display:grid;place-items:center;width:44px;height:44px;border-radius:var(--r-tile);background:var(--ink);color:var(--lime);font-family:var(--display);font-weight:600;font-size:var(--fs-lg)}
.byline-text{display:grid;gap:2px;font-size:var(--fs-md);color:var(--muted);line-height:1.45}
.byline-text b{color:var(--text);font-size:var(--fs-base)}
.byline-text>span{display:flex;flex-wrap:wrap;gap:2px 14px}
.lang-alt{margin-top:18px;font-size:var(--fs-md)}
.lang-alt a{font-weight:600;text-underline-offset:3px}
.topic-grid{display:grid;gap:32px;padding-top:clamp(36px,5vw,64px)}
@media (min-width:1040px){
  .topic-grid{grid-template-columns:240px minmax(0,740px);gap:72px;align-items:start}
  .topic-grid.no-toc{grid-template-columns:minmax(0,740px)}
  .toc{position:sticky;top:100px}
}
.toc{border:1px solid var(--line);border-radius:var(--r-panel);padding:18px 20px}
.toc h2{font-family:var(--font);font-size:var(--fs-md);font-weight:700;letter-spacing:0;margin-bottom:8px}
.toc ol{list-style:none;display:grid}
.toc a{display:block;padding:7px 0;font-size:var(--fs-md);line-height:1.4;color:var(--muted);text-decoration:none}
.toc li+li a{border-top:1px solid var(--line)}
@media (hover:hover) and (pointer:fine){.toc a:hover{color:var(--text);text-decoration:underline;text-underline-offset:3px}}
@media (min-width:1040px){.toc li+li a{border-top:0}.toc a{padding:5px 0}}

.prose{font-size:var(--fs-lg);line-height:1.72;color:var(--text-body);max-width:68ch}
.prose>*+*{margin-top:18px}
.prose h2{font-size:var(--fs-d3);margin-top:52px;color:var(--text);scroll-margin-top:96px}
.prose h3{font-size:var(--fs-xl);margin-top:32px;scroll-margin-top:96px}
.prose ul,.prose ol{padding-left:24px;display:grid;gap:10px}
.prose li::marker{color:var(--muted);font-weight:600}
.prose strong{color:var(--text);font-weight:700}
.prose a{color:var(--text);text-decoration-thickness:1.5px;text-underline-offset:3px}
.prose code{font-size:.9em; /* design-check: allow (code inside running text scales with it) */background:var(--soft);padding:1px 6px;border-radius:var(--r-sm)}
.prose .callout{background:var(--soft);border-radius:var(--r-md);padding:18px 22px}
.sources{margin-top:48px;padding-top:24px;border-top:1px solid var(--line);font-size:var(--fs-md);line-height:1.55}
.prose .sources h2{font-family:var(--font);font-size:var(--fs-base);margin-top:0;letter-spacing:0}
.sources ol{margin-top:10px;gap:8px}
.sources a{color:var(--muted);overflow-wrap:anywhere}
.topic-main{min-width:0}
.topic-main>.res-band{margin-top:56px}
.related{margin-top:56px}

/* discussion: built now, switched on later (data-comments="off") */
.discussion{margin-top:56px;margin-bottom:clamp(64px,8vw,104px);border:1px solid var(--line);border-radius:var(--r-panel);padding:22px 24px;min-height:220px}
.disc-head{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px 16px;padding-bottom:14px;border-bottom:1px solid var(--line)}
.disc-head h2{font-family:var(--font);font-size:var(--fs-xl);font-weight:700;letter-spacing:-.02em}
.disc-state{display:inline-flex;align-items:center;min-height:28px;padding:0 12px;border-radius:var(--r-pill);background:var(--soft);font-size:var(--fs-sm);font-weight:600;color:var(--muted)}
.disc-empty{padding-top:16px;color:var(--muted);font-size:var(--fs-base);max-width:60ch}
.disc-empty .actions{margin-top:18px}
.disc-empty .btn{min-height:48px;font-size:var(--fs-base)}
.res-band h2{max-width:20ch}
@media (max-width:520px){.discussion{padding:18px}}

/* comparison tables in articles: full width, text wraps (no sideways scrolling) */
.prose .table{border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden}
.prose table{width:100%;border-collapse:collapse;table-layout:fixed;font-size:var(--fs-md);line-height:1.5}
.prose th,.prose td{text-align:left;vertical-align:top;padding:12px 14px;overflow-wrap:anywhere}
.prose th{background:var(--soft);font-weight:700;color:var(--text)}
.prose tr+tr td,.prose tbody tr:first-child td{border-top:1px solid var(--line)}
@media (max-width:420px){.prose table{font-size:var(--fs-sm)}.prose th,.prose td{padding:10px}}
@media (max-width:600px){.board-head{flex-direction:column;align-items:flex-start;gap:14px}.board-head .px-mark{width:44px;height:44px;padding:7px;border-radius:var(--r-tile)}}