/* Calculators on /resources/*-calculator/ (built by build-tools.py).
   Loaded only on those pages, so no sitewide version bump is needed. */

.kmi-tool {
  --tool-ink: #0d1117;
  --tool-rust: #c41818;
  --tool-amber: #ffb84d;
  --tool-line: #e2e8f0;
  --tool-muted: #475569;
  background: #ffffff;
  border: 2px solid var(--tool-line);
  margin: 0 0 2.5rem;
}

.kmi-tool__grid {
  display: grid;
  grid-template-columns: 1fr;
}

@media (min-width: 900px) {
  .kmi-tool__grid { grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); }
}

.kmi-tool__inputs { padding: 1.25rem; }
@media (min-width: 640px) { .kmi-tool__inputs { padding: 1.75rem; } }

.kmi-tool fieldset {
  border: 0;
  margin: 0 0 1.5rem;
  padding: 0;
  min-width: 0;
}
.kmi-tool fieldset:last-child { margin-bottom: 0; }

.kmi-tool legend {
  color: var(--tool-ink);
  font-family: var(--kmi-display-font, "Barlow Condensed", sans-serif);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  margin-bottom: 0.75rem;
  padding: 0;
  text-transform: uppercase;
}
.kmi-tool legend span { color: var(--tool-rust); margin-right: 0.35rem; }

.kmi-tool__row {
  display: grid;
  gap: 0.75rem;
  grid-template-columns: 1fr;
  margin-bottom: 0.75rem;
}
@media (min-width: 520px) {
  .kmi-tool__row--2 { grid-template-columns: 1fr 1fr; }
  .kmi-tool__row--3 { grid-template-columns: 1fr 1fr 1fr; }
}

.kmi-tool label,
.kmi-tool__label {
  color: var(--tool-muted);
  display: block;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  margin-bottom: 0.3rem;
  text-transform: uppercase;
}

.kmi-tool input[type="number"],
.kmi-tool input[type="text"],
.kmi-tool select {
  background: #ffffff;
  border: 2px solid #cbd5e1;
  border-radius: 0;
  color: var(--tool-ink);
  font-size: 1rem;
  min-height: 44px;
  padding: 0.5rem 0.65rem;
  width: 100%;
}
.kmi-tool input:focus,
.kmi-tool select:focus {
  border-color: var(--tool-rust);
  outline: 2px solid rgba(196, 24, 24, 0.18);
  outline-offset: 0;
}

.kmi-tool__hint {
  color: var(--tool-muted);
  font-size: 0.8rem;
  line-height: 1.45;
  margin: 0.35rem 0 0;
}

.kmi-tool__check {
  align-items: flex-start;
  color: var(--tool-ink) !important;
  display: flex !important;
  font-family: inherit !important;
  font-size: 0.9rem !important;
  font-weight: 500 !important;
  gap: 0.6rem;
  letter-spacing: 0 !important;
  line-height: 1.4;
  text-transform: none !important;
}
.kmi-tool__check input { accent-color: var(--tool-rust); height: 1.1rem; margin-top: 0.1rem; width: 1.1rem; }

.kmi-tool__modes { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 0.9rem; }
.kmi-tool__mode {
  border: 2px solid #cbd5e1;
  color: var(--tool-ink) !important;
  cursor: pointer;
  font-family: inherit !important;
  font-size: 0.85rem !important;
  font-weight: 700 !important;
  letter-spacing: 0 !important;
  margin: 0 !important;
  padding: 0.55rem 0.8rem;
  text-transform: none !important;
}
.kmi-tool__mode input { position: absolute; opacity: 0; pointer-events: none; }
.kmi-tool__mode:has(input:checked) { background: var(--tool-ink); border-color: var(--tool-ink); color: #ffffff !important; }
.kmi-tool__mode:has(input:focus-visible) { outline: 2px solid var(--tool-rust); outline-offset: 2px; }

.kmi-tool__machines { margin-bottom: 0.75rem; }
.kmi-tool__machine {
  align-items: end;
  display: grid;
  gap: 0.5rem;
  grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr) minmax(0, 0.7fr) 44px;
  margin-bottom: 0.5rem;
}
.kmi-tool__machine label { font-size: 0.62rem; }
.kmi-tool__machine:not(:first-child) label { display: none; }
@media (max-width: 519px) {
  .kmi-tool__machine { grid-template-columns: minmax(0, 1fr) minmax(0, 0.8fr) minmax(0, 0.6fr) 44px; }
}

.kmi-tool__btn {
  align-items: center;
  background: transparent;
  border: 2px solid var(--tool-ink);
  color: var(--tool-ink);
  cursor: pointer;
  display: inline-flex;
  font-size: 0.8rem;
  font-weight: 800;
  gap: 0.4rem;
  justify-content: center;
  letter-spacing: 0.06em;
  min-height: 44px;
  padding: 0.5rem 0.9rem;
  text-transform: uppercase;
}
.kmi-tool__btn:hover { background: var(--tool-ink); color: #ffffff; }
.kmi-tool__btn--icon { font-size: 1.2rem; padding: 0; width: 44px; }

.kmi-tool__result {
  background: var(--tool-ink);
  color: #e2e8f0;
  padding: 1.25rem;
}
@media (min-width: 640px) { .kmi-tool__result { padding: 1.75rem; } }
@media (min-width: 900px) { .kmi-tool__result-inner { position: sticky; top: 120px; } }

.kmi-tool__eyebrow {
  color: var(--tool-amber);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  margin: 0 0 0.4rem;
  text-transform: uppercase;
}
.kmi-tool__big {
  color: #ffffff;
  font-family: var(--kmi-display-font, "Barlow Condensed", sans-serif);
  font-size: 2.6rem;
  font-weight: 800;
  line-height: 1;
  margin: 0 0 0.35rem;
}
.kmi-tool__big small { color: #94a3b8; font-size: 1.05rem; font-weight: 700; margin-left: 0.3rem; }
.kmi-tool__sub { color: #cbd5e1; font-size: 0.9rem; line-height: 1.5; margin: 0 0 1.1rem; }

.kmi-tool__pick {
  border: 1px solid #334155;
  border-left: 3px solid var(--tool-rust);
  margin: 0 0 0.75rem;
  padding: 0.8rem 0.9rem;
}
.kmi-tool__pick--alt { border-left-color: #64748b; }
.kmi-tool__pick .kmi-tool__pick-tag {
  color: #94a3b8;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  margin: 0 0 0.2rem;
  text-transform: uppercase;
}
.kmi-tool__pick .kmi-tool__pick-name {
  color: #ffffff;
  font-family: var(--kmi-display-font, "Barlow Condensed", sans-serif);
  font-size: 1.45rem;
  font-weight: 700;
  line-height: 1.1;
  margin: 0 0 0.2rem;
}
.kmi-tool__pick p { color: #cbd5e1; font-size: 0.85rem; line-height: 1.45; margin: 0; }
.kmi-tool__pick-name small { color: #94a3b8; font-size: 0.95rem; }
.kmi-tool__pick a { color: var(--tool-amber); font-weight: 700; text-decoration: underline; }

.kmi-tool__stats { display: grid; gap: 0.5rem; grid-template-columns: 1fr 1fr; margin: 0 0 1rem; }
.kmi-tool__stat { border: 1px solid #334155; padding: 0.65rem 0.75rem; }
.kmi-tool__stat b { color: #ffffff; display: block; font-family: var(--kmi-display-font, "Barlow Condensed", sans-serif); font-size: 1.5rem; line-height: 1.1; }
.kmi-tool__stat span { color: #94a3b8; font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 0.62rem; letter-spacing: 0.1em; text-transform: uppercase; }

.kmi-tool__note { color: #94a3b8; font-size: 0.78rem; line-height: 1.5; margin: 0.75rem 0 0; }
.kmi-tool__warn { border: 1px solid var(--tool-amber); color: #fde68a; font-size: 0.85rem; line-height: 1.45; margin: 0 0 0.75rem; padding: 0.7rem 0.8rem; }

.kmi-tool__cta {
  align-items: center;
  background: var(--tool-rust);
  color: #ffffff !important;
  display: flex;
  font-size: 0.85rem;
  font-weight: 800;
  gap: 0.5rem;
  justify-content: center;
  letter-spacing: 0.08em;
  margin-top: 1rem;
  min-height: 48px;
  padding: 0.75rem 1rem;
  text-decoration: none !important;
  text-transform: uppercase;
}
.kmi-tool__cta:hover { background: #a51414; }

/* Reference tables under each calculator */
.kmi-ref { margin: 0 0 2rem; overflow-x: auto; -webkit-overflow-scrolling: touch; }
.kmi-ref table { background: #ffffff; border-collapse: collapse; min-width: 100%; }
.kmi-ref caption { caption-side: bottom; color: #475569; font-size: 0.8rem; padding-top: 0.5rem; text-align: left; }
.kmi-ref th, .kmi-ref td { border: 1px solid #e2e8f0; font-size: 0.9rem; padding: 0.5rem 0.7rem; text-align: right; white-space: nowrap; }
.kmi-ref th { background: #0d1117; color: #ffffff; font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 0.72rem; letter-spacing: 0.06em; text-transform: uppercase; }
.kmi-ref td:first-child, .kmi-ref th:first-child { text-align: left; }
.kmi-ref tbody tr:nth-child(even) td { background: #f8fafc; }

.kmi-formula {
  background: #0d1117;
  color: #ffffff;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.9rem;
  line-height: 1.6;
  margin: 0 0 1rem;
  overflow-x: auto;
  padding: 0.9rem 1rem;
  white-space: pre-wrap;
}

.kmi-tool noscript p { color: #fde68a; font-size: 0.9rem; }

/* The site's .kmi-prose turns list markers off; the method steps need their numbers. */
.kmi-tool ~ .kmi-prose ol { list-style: decimal; padding-left: 1.4rem; }
.kmi-tool ~ .kmi-prose ol li { margin-bottom: 0.5rem; padding-left: 0.2rem; }