/* Unit converter */
.container--unit-converter {
  max-width: 72rem;
}

.unit-converter-intro {
  max-width: 64rem;
}

.unit-category-tabs {
  display: grid;
  grid-template-columns: repeat(8, minmax(0, 1fr));
  gap: 0.4rem;
  margin-bottom: 0.8rem;
  padding: 0.45rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: #eef3f1;
}

.unit-category-tabs button {
  min-height: 3rem;
  padding: 0.5rem 0.25rem;
  border: 1px solid transparent;
  border-radius: 0.55rem;
  background: transparent;
  color: var(--color-muted);
  cursor: pointer;
  font: inherit;
  font-size: 0.67rem;
  font-weight: 800;
  line-height: 1.35;
}

.unit-category-tabs button:hover {
  background: rgb(255 255 255 / 65%);
  color: var(--color-primary-dark);
}

.unit-category-tabs button[aria-selected="true"] {
  border-color: var(--color-primary);
  background: var(--color-surface);
  color: var(--color-primary-dark);
  box-shadow: 0 0.2rem 0.7rem rgb(17 45 42 / 7%);
}

.unit-category-tabs button:focus-visible {
  outline: 3px solid rgb(20 107 99 / 20%);
  outline-offset: 2px;
}

.unit-converter-panel:focus {
  outline: none;
}

.unit-converter-workspace {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(20rem, 0.95fr);
  align-items: start;
  gap: 1rem;
}

.unit-converter-input,
.unit-converter-result {
  min-width: 0;
}

.unit-converter-result {
  position: sticky;
  top: 5.5rem;
}

.unit-panel-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.unit-panel-heading h2,
.unit-panel-heading p {
  margin: 0;
}

.unit-panel-heading h2 {
  font-family: var(--font-serif);
  font-size: 1.08rem;
}

.unit-panel-heading p {
  margin-top: 0.15rem;
  color: var(--color-muted);
  font-size: 0.7rem;
}

.unit-converter-field {
  display: block;
  min-width: 0;
}

.unit-converter-field > span {
  display: block;
  color: var(--color-text);
  font-size: 0.72rem;
  font-weight: 800;
}

.unit-converter-field input,
.unit-converter-field select {
  width: 100%;
  min-width: 0;
  min-height: 3rem;
  margin-top: 0.3rem;
  padding: 0.65rem 0.7rem;
  border: 1px solid var(--color-border-strong);
  border-radius: 0.55rem;
  background: var(--color-surface);
  color: var(--color-text);
  font: inherit;
  font-size: 0.92rem;
}

.unit-converter-field input:focus,
.unit-converter-field select:focus {
  border-color: var(--color-primary);
  outline: 3px solid rgb(20 107 99 / 12%);
}

.unit-converter-selects {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: end;
  gap: 0.55rem;
  margin-top: 0.8rem;
}

.unit-swap-button {
  min-height: 3rem;
  padding-inline: 0.8rem;
  white-space: nowrap;
}

.unit-precision-field {
  max-width: 14rem;
  margin-top: 0.8rem;
}

.unit-result-placeholder {
  display: grid;
  min-height: 12rem;
  place-items: center;
  margin: 0;
  padding: 1rem;
  border: 1px dashed var(--color-border-strong);
  border-radius: var(--radius-sm);
  background: #f7f9f8;
  color: var(--color-muted);
  font-size: 0.8rem;
  font-weight: 750;
  line-height: 1.6;
  text-align: center;
}

.unit-converter-result[data-state="error"] .unit-result-placeholder {
  border-color: #e2aaa5;
  background: var(--color-danger-bg);
  color: var(--color-danger);
}

.unit-result-card {
  padding: 1.2rem 1rem;
  border-radius: var(--radius-sm);
  background: #173f3a;
  color: #fff;
  text-align: center;
}

.unit-result-label,
.unit-result-equation,
.unit-result-note {
  margin: 0;
}

.unit-result-label {
  color: #bfe9df;
  font-size: 0.75rem;
  font-weight: 800;
}

.unit-result-equation {
  display: block;
  margin-top: 0.45rem;
  overflow-wrap: anywhere;
  color: #d7f5ed;
  font-size: clamp(1.4rem, 4vw, 2rem);
  font-weight: 850;
  letter-spacing: -0.025em;
  line-height: 1.25;
}

.unit-result-note {
  margin-top: 0.8rem;
  padding-top: 0.7rem;
  border-top: 1px solid rgb(255 255 255 / 18%);
  color: #d5eee8;
  font-size: 0.68rem;
  line-height: 1.65;
}

.unit-copy-button {
  width: 100%;
  margin-top: 0.7rem;
}

.unit-copy-button:disabled {
  cursor: not-allowed;
  opacity: 0.5;
}

.unit-all-results {
  margin-top: 1rem;
  padding: 1.2rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  box-shadow: var(--shadow-card);
}

.unit-all-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.55rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.unit-all-list li {
  min-width: 0;
  padding: 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: 0.55rem;
  background: #f7f9f8;
}

.unit-all-list strong,
.unit-all-list span {
  display: block;
  overflow-wrap: anywhere;
}

.unit-all-list strong {
  color: var(--color-primary-dark);
  font-size: 1rem;
}

.unit-all-list span {
  margin-top: 0.2rem;
  color: var(--color-muted);
  font-size: 0.66rem;
  line-height: 1.45;
}

.unit-legal-note {
  padding: 0.75rem;
  border-left: 0.2rem solid #c5962f;
  border-radius: 0 0.45rem 0.45rem 0;
  background: #fff8e8;
  color: #745918;
  font-size: 0.74rem;
  font-weight: 700;
}

.unit-example-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.65rem;
}

.unit-example-grid p {
  margin: 0;
  padding: 0.8rem;
  border: 1px solid var(--color-border);
  border-radius: 0.55rem;
  background: #f7f9f8;
  font-size: 0.76rem;
}

.unit-faq-list details {
  border-bottom: 1px solid var(--color-border);
}

.unit-faq-list summary {
  padding: 0.75rem 0;
  color: var(--color-primary-dark);
  cursor: pointer;
  font-weight: 800;
}

.unit-faq-list details p {
  margin: 0 0 0.8rem;
}

@media (max-width: 64rem) {
  .unit-category-tabs {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 56rem) {
  .unit-converter-workspace {
    grid-template-columns: 1fr;
  }

  .unit-converter-result {
    position: static;
  }
}

@media (max-width: 40rem) {
  .unit-category-tabs {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .unit-all-list,
  .unit-example-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 28rem) {
  .unit-converter-selects {
    grid-template-columns: 1fr;
  }

  .unit-swap-button {
    width: 100%;
  }

  .unit-precision-field {
    max-width: none;
  }

  .unit-all-list,
  .unit-example-grid {
    grid-template-columns: 1fr;
  }
}