/* Kadence Theme Variables & Base Styles */
:root {
  --kadence-primary: #0662B8;
  --kadence-primary-hover: #05549C;
  --color-gray-50: #f9fafb;
  --color-gray-100: #f3f4f6;
  --color-gray-200: #e5e7eb;
  --color-gray-300: #d1d5db;
  --color-gray-500: #6b7280;
  --color-gray-600: #4b5563;
  --color-gray-700: #374151;
  --color-gray-800: #1f2937;
  --color-gray-900: #111827;
  --color-blue-50: #eff6ff;
  --color-blue-500: #3b82f6;
  --color-blue-600: #2563eb;
  --color-blue-800: #1e40af;
  --color-teal-400: #2dd4bf;
  --color-amber-400: #fbbf24;
  --color-pink-400: #f472b6;
  --color-red-500: #ef4444;
  --color-white: #ffffff;
}

.pregnancy-calculator-container {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
  color: var(--color-gray-600);
}

/* Header */
.calculator-header {
  text-align: center;
  margin-bottom: 2.5rem;
}

.calculator-title {
  font-size: 1.875rem;
  line-height: 2.25rem;
  font-weight: 600;
  color: var(--color-gray-900);
  letter-spacing: -0.025em;
}

.calculator-subtitle {
  margin-top: 0.75rem;
  max-width: 42rem;
  margin-left: auto;
  margin-right: auto;
  font-size: 1.125rem;
  line-height: 1.75rem;
  color: var(--color-gray-600);
}

@media (min-width: 640px) {
  .calculator-title {
    font-size: 2.25rem;
    line-height: 2.5rem;
  }
}

/* Layout */
.calculator-layout {
  /* This container now simply holds the form and results in a vertical stack. */
}

/* Form Styles */
.calculator-form-container {
  background-color: var(--color-white);
  border-radius: 0.5rem;
  box-shadow: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
  padding: 1.5rem;
  max-width: 48rem; /* Constrain form width for better readability */
  margin-left: auto;
  margin-right: auto;
}
@media (min-width: 640px) {
  .calculator-form-container {
    padding: 2rem;
  }
}

.form-wrapper {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.form-label {
  display: block;
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-gray-900);
}

.input-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-gray-700);
  margin-bottom: 0.25rem;
}

/* Unit Toggle */
.unit-toggle {
  margin-top: 0.5rem;
  display: flex;
  border-radius: 0.375rem;
  box-shadow: 0 1px 2px 0 rgba(0,0,0,0.05);
}

.unit-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 50%;
  padding: 0.5rem 1rem;
  border: 1px solid var(--color-gray-300);
  font-size: 0.875rem;
  font-weight: 500;
  transition: all 0.2s ease-in-out;
  cursor: pointer;
  background-color: var(--color-white);
  color: var(--color-gray-700);
}

.unit-btn:first-child {
  border-top-left-radius: 0.375rem;
  border-bottom-left-radius: 0.375rem;
}

.unit-btn:last-child {
  margin-left: -1px;
  border-top-right-radius: 0.375rem;
  border-bottom-right-radius: 0.375rem;
}
.unit-btn:hover {
    background-color: var(--color-gray-50);
}
.unit-btn.active {
  background-color: var(--kadence-primary);
  border-color: var(--kadence-primary);
  color: var(--color-white);
  z-index: 10;
}
.unit-btn:focus {
    outline: 2px solid transparent;
    outline-offset: 2px;
    box-shadow: 0 0 0 2px var(--kadence-primary);
    z-index: 10;
}


/* Input Fields */
.personal-info-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}
@media (min-width: 640px) {
  .personal-info-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .age-group {
    grid-column: span 1 / span 1;
  }
  .sm\:col-span-2 {
    grid-column: span 2 / span 2;
  }
}
.height-group-imperial {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.input-wrapper {
  position: relative;
}

.form-input {
  width: 100%;
  padding: 0.5rem 0.75rem;
  background-color: var(--color-white);
  border: 1px solid var(--color-gray-300);
  border-radius: 0.375rem;
  box-shadow: 0 1px 2px 0 rgba(0,0,0,0.05);
  font-size: 0.875rem;
  transition: border-color 0.2s ease-in-out;
}
.form-input::placeholder {
  color: var(--color-gray-400);
}
.form-input:focus {
  outline: 2px solid transparent;
  outline-offset: 2px;
  box-shadow: 0 0 0 2px var(--color-blue-500);
  border-color: var(--color-blue-500);
}
.form-input.error {
    border-color: var(--color-red-500);
}
.form-input.error:focus {
    box-shadow: 0 0 0 2px var(--color-red-500);
    border-color: var(--color-red-500);
}


.input-unit {
  position: absolute;
  top: 0;
  bottom: 0;
  right: 0;
  padding-right: 0.75rem;
  display: flex;
  align-items: center;
  font-size: 0.875rem;
  color: var(--color-gray-500);
}

/* Radio Groups */
.radio-fieldset {
    border: none;
    padding: 0;
    margin: 0;
}
.fieldset-legend {
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-gray-900);
    margin-bottom: 0.5rem;
    padding: 0;
}
.radio-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
}
@media (min-width: 640px) {
    .radio-grid {
        grid-template-columns: 1fr 1fr;
    }
}

.radio-input-hidden {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.radio-label {
    position: relative;
    display: flex;
    padding: 1rem;
    padding-left: 2.5rem;
    border: 1px solid var(--color-gray-300);
    border-radius: 0.5rem;
    cursor: pointer;
    transition: all 0.2s ease-in-out;
    background-color: var(--color-white);
}

.radio-label:hover {
    background-color: var(--color-gray-50);
}

.radio-input-hidden:checked + .radio-label {
    background-color: var(--color-blue-50);
    border-color: var(--color-blue-500);
    box-shadow: 0 0 0 2px var(--color-blue-500);
}
.radio-input-hidden:focus + .radio-label {
    box-shadow: 0 0 0 2px var(--color-blue-500);
}

.radio-custom-button {
    position: absolute;
    top: 50%;
    left: 1rem;
    transform: translateY(-50%);
    display: flex;
    height: 1rem;
    width: 1rem;
    align-items: center;
    justify-content: center;
    border-radius: 9999px;
    border: 1px solid var(--color-gray-300);
}

.radio-input-hidden:checked + .radio-label .radio-custom-button {
    background-color: var(--color-blue-600);
    border-color: var(--color-blue-600);
}

.radio-input-hidden:checked + .radio-label .radio-custom-button::after {
    content: '';
    display: block;
    height: 0.375rem;
    width: 0.375rem;
    border-radius: 9999px;
    background-color: white;
}

.radio-text {
    display: flex;
    flex-direction: column;
}

.radio-title {
    font-weight: 500;
    color: var(--color-gray-900);
}
.radio-description {
    font-size: 0.875rem;
    color: var(--color-gray-500);
    margin-top: 0.25rem;
}


/* Results Card */
.calculator-results-container {
    margin-top: 2.5rem;
}

.results-card {
  background-color: var(--color-white);
  padding: 1.5rem;
  border-radius: 0.5rem;
  box-shadow: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  max-width: 48rem; /* Match form width */
  margin-left: auto;
  margin-right: auto;
}
@media (min-width: 640px) {
    .results-card {
        padding: 2rem;
    }
}

.results-card-placeholder {
    text-align: center;
    color: var(--color-gray-600);
    padding: 2rem 0;
}

.results-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.results-title-group h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-gray-800);
}

.results-title-group p {
  color: var(--color-gray-500);
}

.results-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.results-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.75rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-gray-600);
  background-color: var(--color-gray-100);
  border: none;
  border-radius: 0.375rem;
  cursor: pointer;
  transition: background-color 0.2s;
}
.results-btn:hover {
  background-color: var(--color-gray-200);
}
.results-btn svg {
    width: 1rem;
    height: 1rem;
}

.results-main-value {
  text-align: center;
  background-color: rgba(239, 246, 255, 0.5); /* blue-50/50 */
  padding: 1.5rem;
  border-radius: 0.5rem;
}
.results-main-value p:first-child {
  font-size: 1.125rem;
  font-weight: 500;
  color: var(--color-blue-800);
}
.results-main-value .calorie-value {
  font-size: 3rem;
  line-height: 1;
  font-weight: 800;
  color: var(--color-blue-600);
  margin: 0.5rem 0;
}
.results-main-value p:last-child {
  color: var(--color-gray-600);
}

.results-breakdown h3 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-gray-700);
  margin-bottom: 0.75rem;
}
.breakdown-bar {
  width: 100%;
  display: flex;
  height: 2rem;
  border-radius: 9999px;
  overflow: hidden;
  background-color: var(--color-gray-200);
}
.breakdown-bar-segment {
  transition: width 0.5s ease-in-out;
}
.segment-bmr { background-color: var(--color-teal-400); }
.segment-activity { background-color: var(--color-amber-400); }
.segment-pregnancy { background-color: var(--color-pink-400); }

.breakdown-legend {
  margin-top: 1rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem 1.5rem;
  font-size: 0.875rem;
}
.legend-item {
  display: flex;
  align-items: center;
}
.legend-dot {
  width: 0.75rem;
  height: 0.75rem;
  border-radius: 9999px;
  margin-right: 0.5rem;
}

.results-footer {
  text-align: center;
  border-top: 1px solid var(--color-gray-200);
  padding-top: 1rem;
}
.results-footer p {
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-gray-700);
}
.results-footer p span {
    font-weight: 700;
    color: var(--color-gray-900);
}

.disclaimer {
  font-size: 0.75rem;
  color: var(--color-gray-500);
  padding: 1rem;
  background-color: var(--color-gray-50);
  border-radius: 0.5rem;
}
.disclaimer strong {
    color: var(--color-gray-700);
}