.tools-nav { display: flex; gap: 4px; margin-left: 8px; flex: 1; min-width: 0; }
.tools-nav a { font-family: var(--font-head); font-weight: 600; font-size: .92rem;
  padding: 6px 10px; border-radius: var(--radius); color: var(--ink-soft); }
.tools-nav a[aria-current="page"] { color: var(--ink); background: var(--primary-weak); }
.tool-page { padding-block: 28px 64px; }
.tool-page h1 { font-size: clamp(1.7rem, 3vw, 2.3rem); margin-bottom: .35em; }
.lede { color: var(--ink-soft); max-width: 62ch; margin: 0 0 22px; }
.crumb { margin: 0 0 10px; font-size: .85rem; color: var(--ink-faint); }
.crumb a:hover { color: var(--primary-c); }

.tool-grid { display: grid; grid-template-columns: minmax(280px, 360px) 1fr; gap: 22px; align-items: start; }
.panel { background: var(--surface); border: 1px solid var(--line); border-radius: 12px;
  box-shadow: var(--shadow-sm); padding: 8px 16px 16px; position: sticky; top: 76px; }
.slider { padding: 12px 0; border-bottom: 1px solid var(--line); }
.slider:last-child { border-bottom: 0; }
.slider-top { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; margin-bottom: 4px; }
.slider-top label { font-weight: 600; }
.slider output { font-family: var(--font-head); font-size: 1.55rem; font-weight: 700; letter-spacing: -.03em;
  font-variant-numeric: tabular-nums; }
input[type="range"] { -webkit-appearance: none; appearance: none; width: 100%; height: 28px; background: transparent; margin: 0; }
input[type="range"]:focus { outline: none; }
input[type="range"]:focus-visible::-webkit-slider-thumb { box-shadow: 0 0 0 3px var(--primary-weak); }
input[type="range"]::-webkit-slider-runnable-track { height: 6px; background: var(--line); border-radius: 99px; }
input[type="range"]::-webkit-slider-thumb { -webkit-appearance: none; width: 22px; height: 22px; margin-top: -8px;
  border-radius: 50%; background: var(--primary-c); border: 2px solid var(--surface); box-shadow: var(--shadow-sm); cursor: grab; }
input[type="range"]::-moz-range-track { height: 6px; background: var(--line); border-radius: 99px; border: 0; }
input[type="range"]::-moz-range-thumb { width: 22px; height: 22px; border-radius: 50%; background: var(--primary-c);
  border: 2px solid var(--surface); box-shadow: var(--shadow-sm); cursor: grab; }

.figures { display: grid; grid-template-columns: repeat(auto-fit, minmax(132px, 1fr)); gap: 10px; margin-bottom: 16px; }
.figure { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; box-shadow: var(--shadow-sm); }
.figure span { display: block; color: var(--ink-faint); font-size: .75rem; line-height: 1.3; }
.figure b { display: block; margin-top: 4px; font-family: var(--font-head); font-size: 1.35rem; font-weight: 700;
  letter-spacing: -.03em; font-variant-numeric: tabular-nums; }
.figure em { font-style: normal; color: var(--ink-soft); font-size: .85rem; font-weight: 600; }

.bom { width: 100%; border-collapse: collapse; background: var(--surface); border: 1px solid var(--line);
  border-radius: 12px; overflow: hidden; box-shadow: var(--shadow-sm); margin: 8px 0 16px; }
.bom th, .bom td { text-align: left; padding: 8px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
.bom th { font-size: .75rem; color: var(--ink-faint); font-weight: 600; }
.bom td.num, .bom th.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.bom tr.group td { background: var(--surface-2); font-family: var(--font-head); font-weight: 600; font-size: .82rem; letter-spacing: .02em; }
.sku { color: var(--ink-faint); font-size: .75rem; }
.tag { display: inline-block; margin-left: 6px; font-size: .68rem; font-weight: 600; letter-spacing: .02em;
  padding: 1px 6px; border-radius: 99px; background: var(--primary-weak); color: var(--primary-c); vertical-align: 1px; }
.tag.est { background: var(--surface-2); color: var(--ink-faint); }

.bom a { color: var(--primary-c); font-weight: 600; }
.bom a:hover { text-decoration: underline; }
a.lang-switch { text-decoration: none; }
.totals { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 10px; }
.total { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 14px 16px; }
.total strong { display: block; font-family: var(--font-head); font-size: 1.35rem; font-variant-numeric: tabular-nums; }
.total.main { background: var(--primary-c); color: var(--primary-ink); border-color: transparent; }
.total.main span { color: color-mix(in srgb, var(--primary-ink) 80%, transparent); }
.total small { display: block; color: inherit; opacity: .8; font-size: .78rem; }
.assumptions { margin-top: 18px; color: var(--ink-soft); font-size: .85rem; }
.assumptions summary { cursor: pointer; font-weight: 600; color: var(--ink); }
.assumptions li { margin: .35em 0; }
.closets { margin: 0 0 8px; padding-left: 18px; color: var(--ink-soft); font-size: .85rem; }

.menu-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 14px; }
.menu-card { display: block; background: var(--surface); border: 1px solid var(--line); border-radius: 12px;
  padding: 18px 18px 16px; box-shadow: var(--shadow-sm); }
.menu-card:hover { border-color: var(--primary-c); color: inherit; }
.menu-card h2 { font-size: 1.15rem; margin-bottom: .35em; }
.menu-card p { margin: 0; color: var(--ink-soft); font-size: .92rem; }

@media (max-width: 860px) {
  .tool-grid { grid-template-columns: 1fr; }
  .panel { position: static; }
  .totals { grid-template-columns: 1fr; }
  .tools-nav { display: none; }
}