/* ConvertHub v3 — site styles. No framework, no CDN. */
:root {
  --brand: #4f46e5;
  --brand-dark: #4338ca;
  --brand-soft: #eef2ff;
  --brand-border: #c7d2fe;
  --ink: #0f172a;
  --muted: #64748b;
  --muted-2: #94a3b8;
  --border: #e2e8f0;
  --bg: #f8fafc;
  --card: #ffffff;
  --green: #047857;
  --amber: #b45309;
  --radius: 18px;
  --shadow: 0 1px 2px rgba(15, 23, 42, .04), 0 8px 24px rgba(15, 23, 42, .06);
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "DM Sans", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
  font-size: 16px;
}
a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; }
h1, h2, h3 { line-height: 1.2; letter-spacing: -.02em; margin: 0 0 .5em; }
h1 { font-size: clamp(1.7rem, 3vw, 2.35rem); font-weight: 800; }
h2 { font-size: 1.35rem; font-weight: 750; }
h3 { font-size: 1.02rem; font-weight: 700; }
p { margin: 0 0 1em; }
code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .9em; background: var(--brand-soft); padding: .1em .35em; border-radius: 6px; }

.wrap { max-width: 1180px; margin: 0 auto; padding: 0 20px; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, .94);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 20px; }
.logo { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; }
.logo:hover { text-decoration: none; }
.logo-mark {
  width: 36px; height: 36px; border-radius: 11px; display: grid; place-items: center;
  background: var(--brand); color: #fff; font-weight: 800; font-size: 20px;
}
.logo-text { font-weight: 800; font-size: 20px; color: var(--ink); }
.logo-text span { color: var(--brand); }
.main-nav { display: flex; gap: 4px; }
.main-nav a {
  padding: 8px 14px; border-radius: 10px; color: #475569; font-weight: 600; font-size: 14.5px;
}
.main-nav a:hover { background: var(--brand-soft); color: var(--brand-dark); text-decoration: none; }
.main-nav a.active { background: var(--brand-soft); color: var(--brand-dark); }
.nav-toggle { display: none; background: none; border: 0; font-size: 22px; cursor: pointer; color: #475569; }

/* Breadcrumbs */
.breadcrumbs { display: flex; flex-wrap: wrap; gap: 8px; font-size: 13px; color: var(--muted); padding-top: 18px; }
.breadcrumbs a { color: var(--muted); }
.breadcrumbs span { color: var(--muted-2); }

/* Page grid */
.page-grid { display: grid; grid-template-columns: 250px minmax(0, 1fr); gap: 28px; align-items: start; padding: 22px 0 56px; }
.sidebar { position: sticky; top: 84px; display: grid; gap: 16px; }
.side-card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; }
.side-title { font-size: 11px; text-transform: uppercase; letter-spacing: .12em; color: var(--muted-2); margin: 0 0 10px; }
.side-links { display: grid; gap: 2px; max-height: 62vh; overflow: auto; }
.side-links a { padding: 7px 10px; border-radius: 9px; color: #475569; font-size: 13.5px; font-weight: 500; }
.side-links a:hover { background: var(--brand-soft); color: var(--brand-dark); text-decoration: none; }
.side-links a.current { background: var(--brand); color: #fff; }

/* Hero */
.hero-card {
  background: linear-gradient(135deg, #4338ca 0%, #4f46e5 55%, #6366f1 100%);
  color: #fff; border-radius: var(--radius); padding: 30px; margin-bottom: 20px;
  box-shadow: var(--shadow);
}
.hero-card h1 { color: #fff; margin-bottom: 8px; }
.hero-card .lede { color: #e0e7ff; max-width: 70ch; margin-bottom: 20px; }
.eyebrow { text-transform: uppercase; letter-spacing: .14em; font-size: 11px; font-weight: 700; color: #c7d2fe; margin: 0 0 8px; }
.hero-card .eyebrow { color: #c7d2fe; }

/* Converter */
.converter { display: grid; grid-template-columns: 1fr auto 1fr; gap: 14px; align-items: end; }
.converter .field label { color: #e0e7ff; font-size: 12.5px; }
.converter input { border: 0; background: #fff; color: var(--ink); }
.swap {
  width: 44px; height: 44px; border-radius: 50%; border: 0; cursor: pointer;
  background: rgba(255,255,255,.18); color: #fff; font-size: 20px; align-self: end; margin-bottom: 2px;
}
.swap:hover { background: rgba(255,255,255,.3); }
.formula { margin: 16px 0 0; font-family: ui-monospace, monospace; font-size: 13.5px; color: #e0e7ff; }
.formula span {
  text-transform: uppercase; letter-spacing: .1em; font-size: 10.5px; font-family: "DM Sans", sans-serif;
  background: rgba(255,255,255,.16); padding: 2px 7px; border-radius: 6px; margin-right: 8px;
}
.swap-hint { margin: 10px 0 0; font-size: 13.5px; color: #c7d2fe; }
.swap-hint a { color: #fff; text-decoration: underline; }

/* Fields */
.field { display: grid; gap: 6px; }
.field label { font-size: 13px; font-weight: 600; color: #475569; }
.field input, .field select {
  width: 100%; padding: 12px 13px; border: 1px solid #cbd5e1; border-radius: 11px;
  font: inherit; font-size: 16px; background: #fff; color: var(--ink);
}
.field input:focus, .field select:focus { outline: none; border-color: var(--brand); box-shadow: 0 0 0 3px rgba(79,70,229,.15); }
.field small { color: var(--muted); font-size: 12px; }
.field input[readonly] { background: #f1f5f9; font-weight: 700; color: var(--brand-dark); }

/* Cards */
.prose-card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 26px 28px; margin-bottom: 20px; box-shadow: var(--shadow);
}
.prose-card.narrow { max-width: 820px; margin: 28px auto 56px; }
.prose-card h2 { margin-top: 0; }
.prose-card h3 { margin-top: 1.4em; }
.prose-card details { border-top: 1px solid var(--border); padding: 12px 0; }
.prose-card details:first-of-type { border-top: 0; }
.prose-card summary { cursor: pointer; font-weight: 650; }
.prose-card details p { margin: 10px 0 0; color: #475569; }
.prose-card > p, .prose-card li { color: #334155; }

/* Tables */
.data-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.data-table th {
  text-align: left; font-size: 12px; text-transform: uppercase; letter-spacing: .06em;
  color: var(--muted); background: #f8fafc; padding: 10px 12px; border-bottom: 1px solid var(--border);
}
.data-table td { padding: 9px 12px; border-bottom: 1px solid #f1f5f9; }
.data-table tr:last-child td { border-bottom: 0; }
.data-table td:first-child { color: #475569; }
.data-table td strong { color: var(--brand-dark); }
.chart-scroll { max-height: 430px; overflow: auto; border: 1px solid var(--border); border-radius: 12px; }
.chart-scroll .data-table th { position: sticky; top: 0; z-index: 1; }
.table-scroll { overflow-x: auto; border: 1px solid var(--border); border-radius: 12px; margin-top: 18px; }

/* Layout helpers */
.example-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; margin: 20px 0; }
.link-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.link-grid a {
  display: block; padding: 12px 14px; border: 1px solid var(--border); border-radius: 12px;
  color: var(--ink); background: #fff;
}
.link-grid a:hover { border-color: var(--brand-border); background: var(--brand-soft); text-decoration: none; }
.link-grid a strong { display: block; font-size: 14px; }
.link-grid a span { display: block; color: var(--muted); font-size: 12.5px; margin-top: 2px; }
.more-link { margin: 16px 0 0; font-weight: 600; }

/* Hub */
.hub-stats { display: flex; gap: 28px; margin-top: 18px; }
.hub-stats div { display: grid; }
.hub-stats strong { font-size: 26px; font-weight: 800; color: #fff; }
.hub-stats span { font-size: 12px; color: #c7d2fe; text-transform: uppercase; letter-spacing: .08em; }
.pair-group { border-top: 1px solid var(--border); padding-top: 14px; margin-top: 14px; }
.pair-group:first-of-type { border-top: 0; padding-top: 0; margin-top: 0; }
.pair-group h3 { margin: 0 0 8px; font-size: 15px; }
.pair-links { display: flex; flex-wrap: wrap; gap: 6px; }
.pair-links a {
  font-size: 12.5px; padding: 5px 9px; border: 1px solid var(--border);
  border-radius: 8px; color: #475569; background: #fff;
}
.pair-links a:hover { border-color: var(--brand-border); background: var(--brand-soft); color: var(--brand-dark); text-decoration: none; }
.hub-list { display: grid; gap: 12px; margin: 24px 0; }
.hub-row { background: #fff; border: 1px solid var(--border); border-radius: 14px; padding: 18px 20px; }
.hub-row p { margin: 6px 0 0; color: #475569; font-size: 14px; }
.hub-row h2 { margin: 0; font-size: 18px; }
.hub-row-meta { display: flex; gap: 6px; align-items: baseline; float: right; margin-left: 20px; }
.hub-row-meta strong { font-size: 20px; }
.hub-row-meta span { font-size: 12px; color: var(--muted); margin-right: 10px; }

/* Home */
.home-hero { background: linear-gradient(180deg, #eef2ff 0%, #f8fafc 100%); padding: 46px 0 36px; border-bottom: 1px solid var(--border); }
.home-hero h1 { max-width: 18ch; }
.home-hero .lede { max-width: 62ch; color: #475569; font-size: 17px; }
.home-hero .eyebrow { color: var(--brand); }
.quick-converter {
  display: grid; grid-template-columns: 1.1fr 1.3fr auto 1.3fr .8fr; gap: 12px; align-items: end;
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; max-width: 940px;
}
.quick-converter .swap { background: var(--brand-soft); color: var(--brand); margin-bottom: 2px; }
.quick-result {
  margin-top: 12px; display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
  font-size: 15px; color: #475569;
}
.quick-result span { text-transform: uppercase; letter-spacing: .1em; font-size: 11px; color: var(--muted); }
.quick-result strong { font-size: 24px; color: var(--brand-dark); }
.quick-result a { margin-left: auto; font-weight: 600; }
.section { padding: 34px 0 4px; }
.section-head { display: flex; align-items: baseline; justify-content: space-between; gap: 20px; margin-bottom: 16px; }
.section-head h2 { margin: 0; }
.section-head a { font-weight: 600; font-size: 14px; }
.cat-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.cat-card {
  background: #fff; border: 1px solid var(--border); border-radius: 14px; padding: 16px;
  display: grid; gap: 3px; color: var(--ink); transition: .15s;
}
.cat-card:hover { border-color: var(--brand-border); box-shadow: var(--shadow); text-decoration: none; transform: translateY(-1px); }
.cat-icon { font-size: 22px; }
.cat-card strong { font-size: 15.5px; margin-top: 4px; }
.cat-card span:last-child { color: var(--muted); font-size: 12.5px; }
.tool-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.tool-card {
  background: #fff; border: 1px solid var(--border); border-radius: 14px; padding: 18px;
  display: grid; gap: 4px; color: var(--ink); transition: .15s;
}
.tool-card:hover { border-color: var(--brand-border); box-shadow: var(--shadow); text-decoration: none; transform: translateY(-1px); }
.tool-icon { font-size: 24px; }
.tool-card strong { font-size: 16px; margin-top: 4px; }
.tool-card span:last-child { color: var(--muted); font-size: 13px; }

/* Calculators */
.calc-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; margin-bottom: 20px; box-shadow: var(--shadow); }
.calc-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.calc-grid.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.calc-result {
  margin-top: 20px; border: 1px solid var(--brand-border); background: var(--brand-soft);
  border-radius: 14px; padding: 18px 20px;
}
.result-main { display: flex; align-items: baseline; justify-content: space-between; gap: 14px; }
.result-main span { font-size: 13px; text-transform: uppercase; letter-spacing: .08em; color: var(--brand-dark); font-weight: 700; }
.result-main strong { font-size: clamp(1.6rem, 4vw, 2.3rem); color: var(--brand-dark); line-height: 1; }
.result-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; margin-top: 16px; }
.result-grid div { display: grid; gap: 2px; }
.result-grid span { font-size: 12px; color: #4f46e5; }
.result-grid strong { font-size: 17px; color: var(--ink); }
.mini-calc { border: 1px solid var(--border); border-radius: 14px; padding: 16px; background: #fff; }
.mini-calc h2 { font-size: 15px; margin: 0 0 10px; }
.inline-fields { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.inline-fields input { width: 90px; padding: 9px 10px; border: 1px solid #cbd5e1; border-radius: 9px; font: inherit; }
.inline-fields span { color: var(--muted); font-size: 13px; }
.mini-calc output { display: block; margin-top: 12px; font-size: 24px; font-weight: 800; color: var(--brand-dark); }

/* Ad / promos */
.ad-wrap { margin: 18px 0; text-align: center; }
.ad-label { display: block; font-size: 10px; letter-spacing: .12em; text-transform: uppercase; color: var(--muted-2); margin-bottom: 6px; }
.ad-wrap ins { display: block; min-height: 90px; }
.promo-card { border: 1px dashed var(--brand-border); background: #fff; border-radius: 14px; padding: 16px; margin: 18px 0; }
.promo-kicker { font-size: 10px; text-transform: uppercase; letter-spacing: .1em; color: var(--brand); margin: 0 0 4px; }
.promo-title { font-weight: 700; margin: 0 0 4px; }
.promo-text { color: var(--muted); font-size: 13px; margin: 0 0 8px; }
.promo-link { font-weight: 600; font-size: 13px; }

/* Footer */
.site-footer { background: #0f172a; color: #cbd5e1; margin-top: 40px; padding: 44px 0 20px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 30px; }
.footer-grid .footer-heading { color: #fff; font-size: 12px; text-transform: uppercase; letter-spacing: .1em; margin: 4px 0 10px; }
.footer-links { display: grid; gap: 6px; }
.footer-links a { color: #cbd5e1; font-size: 13.5px; }
.footer-links a:hover { color: #fff; }
.logo-footer { margin-bottom: 10px; }
.logo-footer .logo-text { color: #fff; }
.footer-note { color: #94a3b8; font-size: 13px; max-width: 40ch; }
.footer-bottom { border-top: 1px solid #1e293b; margin-top: 28px; padding-top: 16px; color: #94a3b8; font-size: 12.5px; }
.footer-bottom a { color: #cbd5e1; }

/* Consent */
.consent {
  position: fixed; left: 16px; right: 16px; bottom: 16px; z-index: 80;
  background: #0f172a; color: #e2e8f0; border-radius: 14px; padding: 16px 18px;
  display: flex; align-items: center; gap: 18px; flex-wrap: wrap; box-shadow: 0 18px 40px rgba(15,23,42,.35);
}
.consent[hidden] { display: none; }
.consent p { margin: 0; font-size: 13.5px; flex: 1 1 320px; }
.consent-actions { display: flex; gap: 8px; align-items: center; }
.btn { border: 0; border-radius: 10px; padding: 9px 16px; font: inherit; font-weight: 650; cursor: pointer; }
.btn-primary { background: var(--brand); color: #fff; }
.btn-ghost { background: transparent; color: #e2e8f0; border: 1px solid #475569; }
.consent-link { color: #c7d2fe; font-size: 13px; }

/* Mobile */
@media (max-width: 980px) {
  .page-grid { grid-template-columns: 1fr; }
  .sidebar { position: static; order: 2; }
  .sidebar .side-links { max-height: none; grid-template-columns: repeat(2, 1fr); }
  .cat-grid { grid-template-columns: repeat(3, 1fr); }
  .tool-grid { grid-template-columns: repeat(2, 1fr); }
  .quick-converter { grid-template-columns: 1fr 1fr; }
  .quick-converter .swap { grid-row: 2; width: 100%; border-radius: 11px; }
  .calc-grid { grid-template-columns: repeat(2, 1fr); }
  .calc-grid.three { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .result-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  body { font-size: 15.5px; }
  .main-nav { display: none; }
  body.nav-open .main-nav {
    display: flex; flex-direction: column; position: absolute; top: 64px; left: 0; right: 0;
    background: #fff; border-bottom: 1px solid var(--border); padding: 10px 16px; gap: 2px;
  }
  .nav-toggle { display: block; }
  .hero-card { padding: 22px; }
  .prose-card, .calc-card { padding: 20px; }
  .converter { grid-template-columns: 1fr; }
  .converter .swap { width: 100%; border-radius: 11px; }
  .example-grid, .link-grid { grid-template-columns: 1fr; }
  .cat-grid, .tool-grid { grid-template-columns: 1fr 1fr; }
  .calc-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .hub-row-meta { float: none; margin: 8px 0 0; }
  .quick-result a { margin-left: 0; }
}
@media print {
  .site-header, .site-footer, .sidebar, .consent, .ad-wrap { display: none; }
  .page-grid { display: block; }
}

/* Guides */
.guide-layout { display: grid; grid-template-columns: minmax(0, 1fr) 260px; gap: 28px; align-items: start; padding: 22px 0 56px; }
.guide-layout .sidebar { position: sticky; top: 84px; }
.guide-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; margin: 24px 0 8px; }
.guide-card { background: #fff; border: 1px solid var(--border); border-radius: 14px; padding: 18px; color: var(--ink); display: grid; gap: 6px; }
.guide-card:hover { border-color: var(--brand-border); box-shadow: var(--shadow); text-decoration: none; transform: translateY(-1px); }
.guide-card strong { font-size: 16px; line-height: 1.3; }
.guide-card span { color: var(--muted); font-size: 13px; }
.article-body { max-width: 820px; }
.article-body h1 { margin-bottom: 10px; }
.article-meta { color: var(--muted); font-size: 13px; margin: 0 0 26px; }
.article-body h2 { margin-top: 1.9em; font-size: 1.28rem; }
.article-body p { color: #334155; line-height: 1.75; }
.article-body ul { padding-left: 1.2em; color: #334155; }
.article-body li { margin: .45em 0; }
.article-body strong { color: var(--ink); }
.article-body a { text-decoration: underline; }
.author-guides { list-style: none; padding: 0; margin: 18px 0 0; }
.author-guides li { padding: 12px 0; border-bottom: 1px solid var(--brand-border); }
.author-guides li:last-child { border-bottom: 0; }
.author-guides a { font-weight: 700; color: var(--ink); text-decoration: none; }
.author-guides a:hover { text-decoration: underline; }
.author-guides span { display: block; color: var(--muted); font-size: 13px; line-height: 1.5; margin-top: 3px; }
.article-cta { background: var(--brand-soft); border: 1px solid var(--brand-border); border-radius: 14px; padding: 18px; margin-top: 34px; }
.article-cta p { margin: 0; }
@media (max-width: 980px) {
  .guide-layout { grid-template-columns: 1fr; }
  .guide-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .guide-grid { grid-template-columns: 1fr; }
}

/* Embed pages */
.embed-body { background: #fff; padding: 12px; }
.embed-inner { max-width: 720px; margin: 0 auto; }
.embed-head { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; font-size: 12px; color: var(--muted); margin-bottom: 10px; }
.embed-brand { font-weight: 800; color: var(--brand); font-size: 14px; letter-spacing: -.02em; }
.embed-title { text-transform: uppercase; letter-spacing: .08em; font-size: 10.5px; }
.embed-body .calc-card { border: 1px solid var(--border); border-radius: 14px; padding: 16px; margin: 0; box-shadow: none; }
.embed-body .calc-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.embed-body .calc-grid.three { grid-template-columns: 1fr; }
.embed-body .result-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.embed-body .result-main strong { font-size: 1.9rem; }
.embed-body .table-scroll { display: none; }
.embed-body .mini-calc { padding: 12px; }
.embed-foot { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-top: 10px; font-size: 11.5px; color: var(--muted); }
.embed-foot a { color: var(--muted); text-decoration: underline; }
.embed-foot a:hover { color: var(--brand); }

/* Widgets page */
.widget-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; margin: 24px 0 8px; }
.widget-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; box-shadow: var(--shadow); scroll-margin-top: 90px; }
.widget-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin-bottom: 12px; }
.widget-head h2 { margin: 0; font-size: 17px; }
.widget-head a { font-size: 13px; font-weight: 600; white-space: nowrap; }
.widget-preview { background: var(--bg); border: 1px solid var(--border); border-radius: 12px; padding: 8px; overflow: hidden; }
.widget-preview iframe { width: 100%; border: 0; display: block; transition: height .2s ease; }
.widget-desc { color: var(--muted); font-size: 13.5px; margin: 0 0 10px; }
.widget-code { margin-top: 12px; border-radius: 12px; overflow: hidden; background: #0f172a; }
.code-head { display: flex; align-items: center; justify-content: space-between; padding: 8px 10px 0 14px; }
.code-head span { color: #94a3b8; font-size: 10.5px; letter-spacing: .12em; text-transform: uppercase; }
.widget-code textarea { display: block; width: 100%; min-height: 222px; max-height: 340px; resize: vertical; border: 0; background: #0f172a; color: #e2e8f0; padding: 8px 14px 14px; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 11.5px; line-height: 1.55; outline: none; }
.widget-preview-wrap { margin-top: 12px; border-top: 1px solid var(--border); padding-top: 10px; }
.widget-preview-wrap summary { cursor: pointer; font-weight: 650; font-size: 13px; color: var(--brand); }
.widget-preview-wrap .widget-preview { margin-top: 10px; }
.copy-btn { background: #1e293b; color: #e2e8f0; border: 1px solid #334155; border-radius: 8px; padding: 4px 10px; font: inherit; font-size: 11.5px; font-weight: 600; cursor: pointer; }
.copy-btn:hover { background: var(--brand); border-color: var(--brand); color: #fff; }
@media (max-width: 980px) {
  .widget-grid { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .embed-body .calc-grid { grid-template-columns: 1fr; }
  .embed-body .result-grid { grid-template-columns: 1fr 1fr; }
}