/* Calculator pages: shared by every calculator, hand-written or generated */
.crumbs { font-size: 0.875rem; color: var(--ink-3); margin: 28px 0 14px; }
.crumbs a { color: var(--ink-3); }
.calc-head { display: grid; gap: 16px; margin-bottom: 28px; }
.calc-head .lede { margin: 0; }
.mode { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.mode-note { font-size: 0.9rem; color: var(--ink-3); }

.calc { display: grid; grid-template-columns: minmax(0, 1fr) 380px; gap: 28px; align-items: start; }
@media (max-width: 960px) { .calc { grid-template-columns: 1fr; } }

.step { background: var(--surface); border: 1px solid var(--rule); border-radius: var(--r-md); padding: 22px; }
.step + .step { margin-top: 14px; }
.step-title { display: flex; justify-content: space-between; align-items: baseline; gap: 10px; margin-bottom: 16px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
@media (max-width: 560px) { .grid-3 { grid-template-columns: 1fr 1fr; } }
@media (max-width: 360px) { .grid-2, .grid-3 { grid-template-columns: 1fr; } }

.area { border: 1.5px solid var(--rule); border-radius: var(--r-md); padding: 14px; display: grid; gap: 12px; }
.area + .area { margin-top: 10px; }
.area-top { display: grid; grid-template-columns: 1fr auto; gap: 10px; align-items: center; }
.area-name { font-weight: 700; border: 0; border-bottom: 1.5px dashed var(--rule-strong); border-radius: 0; padding: 6px 2px; background: transparent; min-height: 40px; }
.area-name:focus { box-shadow: none; border-bottom: 2px solid var(--chalk); }
.area-foot { display: flex; justify-content: space-between; align-items: center; font-size: 0.9rem; color: var(--ink-2); }
.area-foot strong { color: var(--ink); }
.icon-btn { background: none; border: 0; color: var(--ink-3); cursor: pointer; font: 600 0.85rem var(--font); padding: 8px; min-height: 40px; }
.icon-btn:hover { color: var(--carbon-red); }
.add-area { margin-top: 12px; width: 100%; border-style: dashed; }

.chips { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 8px; }
.chip { font: 600 0.85rem var(--font); border: 1.5px solid var(--rule-strong); background: var(--surface); color: var(--ink-2); border-radius: 999px; padding: 5px 12px; cursor: pointer; min-height: 34px; }
.chip[aria-pressed="true"] { border-color: var(--chalk); color: var(--chalk); background: var(--chalk-tint); }

[data-pro] { display: none; }
body.pro [data-pro] { display: block; }
body.pro [data-diy] { display: none; }

/* Sticky result column */
.result { position: sticky; top: 76px; display: grid; gap: 14px; }
.bignums { display: grid; grid-template-columns: repeat(3, 1fr); background: var(--surface); border: 1px solid var(--rule); border-radius: var(--r-md); }
.bignums div { padding: 14px 12px; }
.bignums div + div { border-left: 1px solid var(--rule); }
.bignums b { display: block; font-size: 1.6rem; font-weight: 800; font-stretch: 125%; line-height: 1.1; }
.bignums span { font-size: 0.8rem; color: var(--ink-3); }
.compare { font-size: 0.92rem; color: var(--ink-2); background: var(--surface); border: 1px solid var(--rule); border-radius: var(--r-md); padding: 14px; }
.margin-note { font-size: 0.85rem; margin-top: 10px; }
.actions { display: grid; gap: 8px; }
.lead { display: grid; gap: 12px; }
.lead h3 { font-size: 1.05rem; }
.lead p { margin: 0; font-size: 0.9rem; color: var(--ink-2); }

/* Mobile: result collapses to a bar pinned to the bottom of the screen */
.mobile-bar { display: none; }
@media (max-width: 960px) {
  .result { position: static; }
  .mobile-bar {
    display: flex; position: fixed; left: 0; right: 0; bottom: 0; z-index: 30; gap: 12px; align-items: center; transition: transform .2s;
    background: var(--canary); color: var(--canary-ink); padding: 10px var(--gutter); border-top: 1px solid var(--canary-line);
  }
  .mobile-bar b { font-size: 1.2rem; font-stretch: 125%; }
  .mobile-bar .btn { margin-left: auto; }
  .mobile-bar.off { transform: translateY(110%); }
  body { padding-bottom: 70px; }
}

/* Article */
.article { max-width: 720px; margin-top: 72px; }
.article h2 { margin: 48px 0 14px; }
.article table { width: 100%; border-collapse: collapse; margin: 8px 0 20px; font-size: 0.95rem; background: var(--surface); }
.article th, .article td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--rule); }
.article th { font-weight: 700; border-bottom: 2px solid var(--rule-strong); }
.formula { background: var(--surface); border-left: 4px solid var(--chalk); padding: 14px 18px; margin: 0 0 16px; font-weight: 600; }
details { border-bottom: 1px solid var(--rule); padding: 14px 0; }
summary { cursor: pointer; font-weight: 700; }
details p { margin: 10px 0 0; color: var(--ink-2); }
.related { display: flex; flex-wrap: wrap; gap: 8px; }
.ad-slot { min-height: 280px; margin: 32px 0; border: 1px dashed var(--rule-strong); border-radius: var(--r-md); display: grid; place-items: center; color: var(--ink-3); font-size: 0.8rem; }
.variant-btns { display: flex; gap: 8px; flex-wrap: wrap; margin: 4px 0 16px; }
.consent { font-size: 0.78rem; color: var(--ink-3); line-height: 1.45; }
.consent a { color: var(--ink-3); }
.shop { margin-top: 10px; font-size: 0.9rem; }
.related a.chip { text-decoration: none; }