.bcs-calculator {
  --bcs-primary: #1a4d6e;
  --bcs-primary-soft: #eaf3f9;
  --bcs-accent: #f5a623;
  --bcs-success: #2c7a5b;
  --bcs-text: #1d2a39;
  --bcs-subtle: #5b6b7a;
  --bcs-border: #dfe7ee;
  --bcs-surface: #ffffff;
  --bcs-error: #b3261e;
  --bcs-error-soft: #fceaea;
  --bcs-shadow: 0 18px 48px rgba(18, 34, 51, 0.08);
  color: var(--bcs-text);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.5;
  box-sizing: border-box;
  max-width: 960px;
  margin: 0 auto;
  padding: 24px 16px 32px;
}

.bcs-calculator *,
.bcs-calculator *::before,
.bcs-calculator *::after {
  box-sizing: border-box;
}

.bcs-calculator__shell {
  background: var(--bcs-surface);
  border: 1px solid var(--bcs-border);
  border-radius: 18px;
  box-shadow: var(--bcs-shadow);
  padding: 24px;
}

.bcs-calculator__header {
  margin-bottom: 20px;
}

.bcs-calculator__eyebrow {
  margin: 0 0 8px;
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--bcs-primary);
}

.bcs-calculator__header h1,
.bcs-calculator__header h2,
.bcs-calculator__result-header h2,
.bcs-calculator__result-body h3,
.bcs-calculator__context-block h3 {
  margin: 0;
  color: var(--bcs-text);
}

.bcs-calculator__header h1 {
  font-size: clamp(1.8rem, 2vw + 1rem, 2.6rem);
  line-height: 1.2;
}

.bcs-info-block,
.bcs-section-title,
.bcs-safety-banner {
  margin: 0 0 18px;
}

.bcs-info-block {
  border: 1px solid var(--bcs-border);
  border-radius: 14px;
  background: #f7fafc;
  padding: 18px 16px;
}

.bcs-info-block h2,
.bcs-section-title h2 {
  margin: 0 0 10px;
  font-size: 1.2rem;
  color: var(--bcs-text);
}

.bcs-info-block p,
.bcs-info-block li {
  margin: 0;
  color: var(--bcs-text);
}

.bcs-scale-details {
  margin-top: 14px;
  border-top: 1px solid var(--bcs-border);
  padding-top: 12px;
}

.bcs-scale-details summary {
  cursor: pointer;
  font-weight: 700;
  color: var(--bcs-primary);
}

.bcs-scale-content {
  margin-top: 12px;
}

.bcs-scale-content ul {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 8px;
}

.bcs-section-title {
  border-bottom: 1px solid var(--bcs-border);
  padding-bottom: 8px;
}

.bcs-calculator__form {
  display: grid;
  gap: 18px;
}

.bcs-question {
  border: 1px solid var(--bcs-border);
  border-radius: 14px;
  background: #fbfdff;
  padding: 18px 16px 14px;
  margin: 0;
}

.bcs-question legend {
  float: none;
  width: auto;
  padding: 0 8px;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--bcs-text);
}

.bcs-field-wrap {
  display: grid;
  gap: 8px;
  margin-top: 10px;
}

.bcs-field-wrap label,
.bcs-unit-label {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--bcs-text);
}

.bcs-calculator select,
.bcs-calculator input[type="number"] {
  width: 100%;
  min-height: 46px;
  border: 1px solid var(--bcs-border);
  border-radius: 10px;
  background: var(--bcs-surface);
  color: var(--bcs-text);
  padding: 10px 12px;
  font: inherit;
}

.bcs-calculator select:focus,
.bcs-calculator input[type="number"]:focus,
.bcs-calculator button:focus,
.bcs-calculator input[type="radio"]:focus-visible + span {
  outline: 3px solid rgba(26, 77, 110, 0.22);
  outline-offset: 2px;
}

.bcs-weight-grid {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(180px, 1fr);
  gap: 16px;
  align-items: end;
}

.bcs-breed-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 16px;
  align-items: end;
}

.bcs-form-help {
  min-height: 20px;
  margin: 0;
  color: var(--bcs-subtle);
  font-size: 0.82rem;
}

.bcs-calculator input[type="text"] {
  width: 100%;
  min-height: 46px;
  border: 1px solid var(--bcs-border);
  border-radius: 10px;
  background: var(--bcs-surface);
  color: var(--bcs-text);
  padding: 10px 12px;
  font: inherit;
}

.bcs-calculator input[type="text"]:focus {
  outline: 3px solid rgba(26, 77, 110, 0.22);
  outline-offset: 2px;
}

.bcs-choice-group {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 4px;
}

.bcs-choice {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 78px;
  min-height: 44px;
  border: 1px solid var(--bcs-border);
  border-radius: 10px;
  background: var(--bcs-surface);
  cursor: pointer;
  overflow: hidden;
}

.bcs-choice input[type="radio"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  margin: 0;
  cursor: pointer;
}

.bcs-choice span {
  position: relative;
  z-index: 1;
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--bcs-text);
}

.bcs-choice input[type="radio"]:checked + span {
  color: var(--bcs-surface);
}

.bcs-choice.is-selected {
  background: var(--bcs-primary);
  border-color: var(--bcs-primary);
  color: var(--bcs-surface);
}

.bcs-choice.is-selected span {
  color: var(--bcs-surface);
}

.bcs-error-message {
  min-height: 20px;
  margin: 0;
  color: var(--bcs-error);
  font-size: 0.85rem;
  font-weight: 600;
}

.bcs-input-error {
  border-color: var(--bcs-error) !important;
  background: var(--bcs-error-soft);
}

.bcs-form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  justify-content: flex-start;
}

.bcs-calculator button {
  border: none;
  border-radius: 10px;
  padding: 12px 18px;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  transition: filter 0.2s ease;
}

.bcs-calculator button:hover {
  filter: brightness(0.98);
}

.bcs-submit {
  background: var(--bcs-primary);
  color: #fff;
}

.bcs-reset {
  background: #edf3f8;
  color: var(--bcs-text);
}

.bcs-print {
  background: var(--bcs-primary-soft);
  color: var(--bcs-primary);
}

.bcs-result-placeholder {
  margin-top: 24px;
  border: 1px dashed var(--bcs-border);
  border-radius: 12px;
  background: #f8fafb;
  padding: 18px 16px;
  color: var(--bcs-subtle);
}

.bcs-result-placeholder p {
  margin: 0;
  font-size: 0.97rem;
}

.bcs-result-panel {
  margin-top: 24px;
  border: 1px solid var(--bcs-border);
  border-radius: 18px;
  background: linear-gradient(180deg, #fff 0%, #f6fafc 100%);
  padding: 20px 18px;
}

.bcs-result-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

.bcs-result-label {
  margin: 0;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--bcs-primary);
}

.bcs-result-summary {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr);
  gap: 18px;
  align-items: center;
  margin-bottom: 18px;
}

.bcs-score-card {
  display: grid;
  place-items: center;
  width: 140px;
  height: 140px;
  border: 10px solid var(--bcs-accent);
  border-radius: 50%;
  background: var(--bcs-primary-soft);
  margin: 0 auto;
}

.bcs-score-value-wrap {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 4px;
  color: var(--bcs-primary);
}

.bcs-score-value {
  font-size: clamp(2.3rem, 2vw + 1.5rem, 3.2rem);
  line-height: 1;
  font-weight: 800;
}

.bcs-score-out-of {
  font-size: 1.05rem;
  font-weight: 700;
}

.bcs-result-meta {
  display: grid;
  gap: 14px;
}

.bcs-result-meta-item {
  display: grid;
  gap: 4px;
  border: 1px solid var(--bcs-border);
  border-radius: 12px;
  background: var(--bcs-surface);
  padding: 12px 14px;
}

.bcs-result-meta strong {
  font-size: 1.1rem;
  color: var(--bcs-text);
}

.bcs-result-body,
.bcs-context-block {
  margin-top: 18px;
}

.bcs-result-body h3,
.bcs-context-block h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.bcs-result-body p,
.bcs-context-block li,
.bcs-safety-note {
  color: var(--bcs-text);
}

.bcs-context-notices {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 8px;
}

.bcs-safety-note,
.bcs-safety-banner {
  margin-top: 18px;
  border-left: 4px solid var(--bcs-accent);
  background: #fffaf0;
  padding: 12px 14px;
  border-radius: 10px;
  font-size: 0.95rem;
  color: var(--bcs-text);
}

.bcs-scale {
  display: grid;
  grid-template-columns: repeat(9, minmax(0, 1fr));
  gap: 8px;
  margin-top: 18px;
}

.bcs-scale__item {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  border-radius: 10px;
  border: 1px solid var(--bcs-border);
  background: #f2f6fa;
  color: var(--bcs-subtle);
  font-weight: 700;
}

.bcs-scale__item.is-highlighted {
  background: var(--bcs-primary);
  border-color: var(--bcs-primary);
  color: var(--bcs-surface);
  box-shadow: inset 0 0 0 2px rgba(255, 255, 255, 0.7);
}

.bcs-is-hidden {
  display: none !important;
}

.bcs-calculator .bcs-hidden {
  display: none !important;
}

@media (max-width: 680px) {
  .bcs-calculator {
    padding-left: 12px;
    padding-right: 12px;
  }

  .bcs-calculator__shell {
    padding: 18px 14px;
  }

  .bcs-weight-grid,
  .bcs-result-summary,
  .bcs-breed-grid {
    grid-template-columns: 1fr;
  }

  .bcs-result-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .bcs-score-card {
    width: 120px;
    height: 120px;
  }

  .bcs-form-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .bcs-form-actions button {
    width: 100%;
  }

  .bcs-scale {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media print {
  .bcs-calculator {
    max-width: none;
    padding: 0;
    background: #fff;
  }

  .bcs-calculator__shell {
    box-shadow: none;
    border: none;
    padding: 0;
  }

  .bcs-result-panel {
    display: block !important;
    border: 1px solid #dfe7ee;
    box-shadow: none;
  }

  .bcs-calculator__form,
  .bcs-result-placeholder,
  .bcs-submit,
  .bcs-reset,
  .bcs-print {
    display: none !important;
  }
}