/* RiverDIY additions on top of the shared rt.css */
.units { display: inline-flex; gap: .25rem; padding: .25rem; border: 1px solid rgba(255,255,255,.14); border-radius: 999px; margin-top: .75rem; flex-wrap: wrap; }
.units button { font: inherit; font-size: .9rem; border: 0; border-radius: 999px; padding: .4rem .9rem; background: transparent; color: inherit; cursor: pointer; }
.units button[aria-checked="true"] { background: var(--accent); color: var(--accent-ink); font-weight: 600; }
.calc-grid { display: grid; gap: 1.25rem; grid-template-columns: repeat(auto-fill, minmax(min(100%, 330px), 1fr)); }
.calc h3 { margin-bottom: .25rem; }
.calc .fields { display: grid; grid-template-columns: 1fr 1fr; gap: .6rem .75rem; margin: 1rem 0; }
.calc label { display: flex; flex-direction: column; gap: .3rem; font-size: .85rem; line-height: 1.3; }
.calc label span { min-height: 2.2em; display: flex; align-items: flex-end; }
.calc input { font: inherit; font-size: 1rem; width: 100%; padding: .5rem .6rem; border-radius: 10px; border: 1px solid rgba(255,255,255,.18); background: rgba(255,255,255,.04); color: inherit; }
.calc input:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
.calc .out { border-top: 1px solid rgba(255,255,255,.1); padding-top: .75rem; margin-bottom: .75rem; }
.calc .out p { margin: .15rem 0; }
.calc .out .result { font-weight: 700; color: var(--accent); font-size: 1.05rem; }
.calc .add[disabled] { opacity: .5; cursor: not-allowed; }
.list-card ol { margin: 0 0 1rem 1.25rem; padding: 0; }
.list-card li { margin: .35rem 0; }
.link-btn { font: inherit; font-size: .85rem; background: none; border: 0; color: var(--accent); text-decoration: underline; cursor: pointer; padding: 0 .25rem; }
@media (max-width: 380px) { .calc .fields { grid-template-columns: 1fr; } .calc label span { min-height: 0; } }
@media print {
  header.site, footer.site, .hero, #calculators, #safety, section:last-of-type, .actions, .link-btn, .skip { display: none !important; }
  #list { display: block !important; }
  body { background: #fff !important; color: #000 !important; }
  .card { border: 0 !important; box-shadow: none !important; background: none !important; }
}