.bcc-calculator {
  --bcc-border: #d9dee7;
  --bcc-bg: #ffffff;
  --bcc-text: #1f2937;
  --bcc-muted: #5b6472;
  --bcc-accent: #1f6feb;
  --bcc-accent-soft: #eef4ff;
  --bcc-warning-bg: #fff7ed;
  --bcc-warning-text: #9a3412;
  box-sizing: border-box;
  max-width: 48rem;
  margin: 1.5rem 0;
  padding: 1.25rem;
  border: 1px solid var(--bcc-border);
  border-radius: 0.75rem;
  background: var(--bcc-bg);
  color: var(--bcc-text);
  font-family: inherit;
  line-height: 1.5;
}

.bcc-calculator *,
.bcc-calculator *::before,
.bcc-calculator *::after {
  box-sizing: inherit;
}

.bcc-calculator__tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.bcc-calculator__tab {
  appearance: none;
  border: 1px solid var(--bcc-border);
  border-radius: 999px;
  background: #f8fafc;
  color: var(--bcc-text);
  cursor: pointer;
  font: inherit;
  padding: 0.55rem 1rem;
}

.bcc-calculator__tab[aria-selected='true'] {
  background: var(--bcc-accent-soft);
  border-color: var(--bcc-accent);
  color: var(--bcc-accent);
}

.bcc-calculator__tab:focus-visible {
  outline: 2px solid var(--bcc-accent);
  outline-offset: 2px;
}

.bcc-calculator__toolbar {
  margin-bottom: 1rem;
}

.bcc-calculator__unit-toggle {
  border: 0;
  margin: 0;
  padding: 0;
}

.bcc-calculator__unit-toggle legend {
  font-weight: 600;
  margin-bottom: 0.5rem;
  padding: 0;
}

.bcc-calculator__unit-toggle label {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin-right: 1rem;
}

.bcc-calculator__panel--hidden {
  display: none;
}

.bcc-calculator__heading {
  font-size: 1.25rem;
  margin: 0 0 1rem;
}

.bcc-calculator__dimensions {
  display: grid;
  gap: 1rem;
}

.bcc-calculator__dimension {
  border: 1px solid var(--bcc-border);
  border-radius: 0.5rem;
  margin: 0;
  padding: 0.875rem;
}

.bcc-calculator__dimension legend {
  font-weight: 600;
  padding: 0 0.25rem;
}

.bcc-calculator__hint {
  color: var(--bcc-muted);
  font-size: 0.875rem;
  margin: 0 0 0.75rem;
}

.bcc-calculator__dimension-fields {
  display: grid;
  gap: 0.75rem;
}

.bcc-calculator__dimension-fields--hidden {
  display: none;
}

.bcc-calculator__dimension-fields label,
.bcc-calculator__field label {
  display: grid;
  gap: 0.35rem;
  font-size: 0.95rem;
}

.bcc-calculator__dimension-fields input,
.bcc-calculator__field input {
  width: 100%;
  max-width: 100%;
  padding: 0.55rem 0.65rem;
  border: 1px solid var(--bcc-border);
  border-radius: 0.375rem;
  font: inherit;
}

.bcc-calculator__dimension-fields input:focus-visible,
.bcc-calculator__field input:focus-visible {
  border-color: var(--bcc-accent);
  outline: 2px solid rgba(31, 111, 235, 0.2);
}

.bcc-calculator__field {
  margin-bottom: 1rem;
}

.bcc-calculator__results {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--bcc-border);
}

.bcc-calculator__message {
  margin: 0 0 0.75rem;
}

.bcc-calculator__message--primary {
  font-size: 1.05rem;
  font-weight: 600;
}

.bcc-calculator__message--secondary {
  color: var(--bcc-muted);
  font-size: 0.95rem;
}

.bcc-calculator__message--warning {
  background: var(--bcc-warning-bg);
  border-radius: 0.5rem;
  color: var(--bcc-warning-text);
  padding: 0.75rem;
}

.bcc-calculator__dimensions-result {
  font-size: 1.05rem;
  font-weight: 600;
  margin: 0 0 0.75rem;
}

.bcc-calculator__recommendations-wrap {
  margin-top: 1rem;
}

.bcc-calculator__recommendations-heading {
  font-size: 1.1rem;
  margin: 0 0 0.75rem;
}

.bcc-calculator__recommendations {
  display: grid;
  gap: 1rem;
  align-items: stretch;
}

.bcc-calculator__recommendation-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  border: 1px solid var(--bcc-border);
  border-radius: 0.5rem;
  overflow: hidden;
  background: #fff;
}

.bcc-calculator__recommendation-card--hidden {
  display: none;
}

.bcc-calculator__recommendation-image-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 12rem;
  padding: 0.375rem;
  background: #fff;
  border-bottom: 1px solid var(--bcc-border);
}

.bcc-calculator__recommendation-image-wrap--placeholder {
  background: linear-gradient(135deg, #f8fafc, #fff);
}

.bcc-calculator__recommendation-image {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.bcc-calculator__recommendation-body {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: 0.875rem;
}

.bcc-calculator__recommendation-name {
  font-size: 1rem;
  margin: 0 0 0.5rem;
}

.bcc-calculator__recommendation-reason {
  color: var(--bcc-muted);
  font-size: 0.95rem;
  margin: 0 0 1.25rem;
}

.bcc-calculator__recommendation-actions {
  margin-top: auto;
  padding-top: 0.25rem;
  text-align: center;
}

.bcc-calculator__recommendation-button {
  display: inline-block;
  padding: 0.55rem 0.9rem;
  border-radius: 0.375rem;
  background: var(--bcc-accent);
  color: #fff;
  font-weight: 600;
  text-decoration: none;
}

.bcc-calculator__recommendation-button:hover,
.bcc-calculator__recommendation-button:focus-visible {
  background: #1858c7;
  color: #fff;
}

.bcc-calculator__show-more-wrap {
  margin-top: 0.75rem;
  text-align: center;
}

.bcc-calculator__show-more {
  appearance: none;
  border: 1px solid var(--bcc-border);
  border-radius: 999px;
  background: #f8fafc;
  color: var(--bcc-text);
  cursor: pointer;
  font: inherit;
  padding: 0.55rem 1rem;
}

.bcc-calculator__show-more:focus-visible {
  outline: 2px solid var(--bcc-accent);
  outline-offset: 2px;
}

@media (min-width: 640px) {
  .bcc-calculator__dimension-fields {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .bcc-calculator__recommendations {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}