/* ═══════════════════════════════════════════════════════════════════
   Tool-page guides: the long-form section under each tool.
   Reuses the premium article components from site.css and the diagram
   vocabulary from article-viz.css. This file only adds what a tool page
   needs on top: the wider shell, the guide hero, and widget furniture.
   ═══════════════════════════════════════════════════════════════════ */

/* The tool itself stays in its 760px column; the guide gets the full 1180px. */
.app-main.has-guide{max-width:1180px}
.tool-stage{max-width:760px;margin:0 auto}
.tool-guide{margin-top:72px;position:relative}
.tool-guide .article-shell{padding:0;max-width:none}
@media(max-width:640px){.tool-guide{margin-top:52px}}

/* Guide hero: same banner as an article hero, with an h2 instead of an h1 */
.tg-hero{margin-bottom:44px}
.tg-hero .tg-title{font-family:var(--font-d);font-size:clamp(26px,3.7vw,44px);line-height:1.06;letter-spacing:-.03em;
  color:var(--ink);margin:0 0 18px;max-width:24ch;font-weight:800}
.tg-hero .tg-title::after{content:"";display:block;width:76px;height:6px;border-radius:3px;background:var(--g-ac);
  margin-top:20px;box-shadow:0 6px 14px -5px color-mix(in oklab,var(--ac-2) 60%,transparent)}
.tg-hero .h-deck{max-width:64ch}
.tg-hero .article-hero-visual{margin-top:30px}

/* Body column: same rules as an article, plus widgets and tables at full width */
.tool-guide .article-body > .widget,
.tool-guide .article-body > .viz{max-width:none}
.tool-guide .article-body > p:first-of-type{font-size:18px}

/* Widget furniture shared by the tool-page widgets */
.w-grid{display:grid;grid-template-columns:1fr;gap:10px;margin-top:14px}
@media(min-width:560px){.w-grid.two{grid-template-columns:1fr 1fr}.w-grid.three{grid-template-columns:repeat(3,1fr)}}
.w-cell{padding:14px 16px;border:1px solid var(--line);border-radius:12px;background:var(--bg-alt)}
.w-cell .w-k{font-family:var(--font-m);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-4);margin-bottom:6px}
.w-cell .w-v{font-family:var(--font-num);font-size:22px;font-weight:700;color:var(--ink);letter-spacing:-.01em;font-variant-numeric:tabular-nums lining-nums;overflow-wrap:anywhere}
.w-cell .w-v.ac{color:var(--ac-ink)}
.w-cell .w-s{font-size:13px;color:var(--ink-3);margin-top:4px;line-height:1.45}
.w-field textarea{width:100%;min-height:96px;border:1px solid var(--line);background:var(--bg-alt);color:var(--ink);border-radius:10px;
  padding:11px 13px;font-family:var(--font-m);font-size:13.5px;line-height:1.5;outline:none;resize:vertical;transition:border-color .18s,box-shadow .18s}
.w-field textarea:focus{border-color:var(--ac-2);box-shadow:0 0 0 3px color-mix(in oklab,var(--ac-2) 16%,transparent)}
.w-field input[type=text],.w-field input[type=file]{font-family:var(--font-b)}
.w-field input[type=file]{padding:9px 12px;cursor:pointer}
.w-field .w-hint{font-size:12.5px;color:var(--ink-4);margin-top:6px}
.w-scroll{overflow-x:auto;margin-top:14px;-webkit-overflow-scrolling:touch}
.w-scroll .w-table{margin-top:0}
.w-table{width:100%;border-collapse:collapse;margin-top:14px;font-size:14px}
.w-table th{font-family:var(--font-m);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-4);text-align:left;padding:8px 10px;border-bottom:1px solid var(--line);font-weight:600}
.w-table td{padding:9px 10px;border-bottom:1px solid var(--line-2);color:var(--ink-2);vertical-align:top}
.w-table td.num,.w-table td.mono{font-family:var(--font-m);font-size:13px;color:var(--ink);white-space:nowrap}
.w-table tr.hit td{background:color-mix(in oklab,var(--success) 10%,transparent)}
.w-table tr.miss td{opacity:.55}
.w-table .w-pill{display:inline-block;font-family:var(--font-m);font-size:10.5px;letter-spacing:.08em;text-transform:uppercase;padding:3px 8px;border-radius:99px;font-weight:600}
.w-pill.ok{background:color-mix(in oklab,var(--success) 16%,transparent);color:var(--success)}
.w-pill.warn{background:color-mix(in oklab,var(--amber) 22%,transparent);color:var(--gold)}
.w-pill.bad{background:color-mix(in oklab,var(--danger) 14%,transparent);color:var(--danger)}
html[data-theme="dark"] .w-pill.warn{color:var(--amber)}
.w-meter{height:10px;border-radius:5px;background:var(--bg-tint);border:1px solid var(--line);overflow:hidden;margin-top:12px}
.w-meter > span{display:block;height:100%;border-radius:5px;background:var(--g-ac-deep);transition:width .25s ease}
.w-meter.bad > span{background:var(--danger)}
.w-meter.warn > span{background:var(--amber)}
.w-meter.ok > span{background:var(--success)}
.w-code{display:block;font-family:var(--font-m);font-size:14px;padding:12px 14px;border-radius:10px;background:var(--bg-alt);border:1px solid var(--line);color:var(--ink);overflow-x:auto;white-space:pre;margin-top:10px}
.w-two{display:grid;grid-template-columns:1fr;gap:14px;margin-top:14px}
@media(min-width:640px){.w-two{grid-template-columns:1fr 1fr}}
.w-list{margin:0;padding:0;list-style:none;font-family:var(--font-m);font-size:13px;line-height:1.7;color:var(--ink-2)}
.w-list li{padding:2px 0;border-bottom:1px dashed var(--line-2)}
.w-list li.diff{color:var(--danger);font-weight:600}
.w-list .n{display:inline-block;width:22px;color:var(--ink-4)}
.w-inline{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-top:12px}
.w-btn{border:1px solid var(--line);background:var(--bg);color:var(--ink);font-family:var(--font-b);font-weight:600;font-size:14px;
  padding:9px 16px;border-radius:10px;cursor:pointer;transition:border-color .18s,color .18s,transform .18s}
.w-btn:hover{border-color:var(--ac-2);color:var(--ac-ink)}
.w-btn:active{transform:scale(.97)}
.w-stage.page-stage{display:flex;justify-content:center}
.w-stage.page-stage svg{max-width:360px;min-width:0}
.w-check{display:flex;gap:10px;align-items:center;font-size:14px;color:var(--ink-2)}
.w-check input{width:16px;height:16px;accent-color:var(--ac-2)}

/* The guide sits on the app background; give figures a crisp card surface */
body.app .viz{background:var(--bg)}
body.app .info-graphic .ig-list li{background:var(--bg)}

/* Keep the tool's own headings unaffected by article typography */
.tool-stage h3{font-size:16px}

@media print{.tool-guide .toc-aside,.tool-guide .cta-block,.tool-guide .widget{display:none!important}}