/* Model group headings */
.model-group-heading {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-faint);
  margin-top: var(--spacing-sm);
}

.model-group-heading:first-child {
  margin-top: 0;
}

/* Model radio cards */
.model-radio-card {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--border-radius-md);
  border: 1px solid var(--border-subtle);
  background: rgba(255, 255, 255, 0.03);
  cursor: pointer;
  transition: var(--transition-fast);
}

.model-radio-card:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: var(--border-default);
}

.model-radio-card:has(input:checked) {
  border-color: var(--color-primary);
  background: rgba(74, 158, 255, 0.08);
}

.model-radio-card input[type="radio"] {
  appearance: none;
  width: 18px;
  height: 18px;
  margin-top: 2px;
  background: rgba(255, 255, 255, 0.05);
  border: 2px solid rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  flex-shrink: 0;
  cursor: pointer;
  transition: var(--transition-fast);
  position: relative;
}

.model-radio-card input[type="radio"]:checked {
  background: var(--color-primary);
  border-color: var(--color-primary);
}

.model-radio-card input[type="radio"]:checked::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: white;
}

.model-radio-card-body {
  flex: 1;
  min-width: 0;
}

.model-radio-card-name {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 5px;
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-base);
  line-height: 1.4;
}

.model-radio-card-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px;
  margin-top: 3px;
}

/* Model metadata badges */
.model-badge {
  display: inline-flex;
  align-items: center;
  padding: 1px 7px;
  border-radius: 10px;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  line-height: 1.4;
  white-space: nowrap;
  cursor: default;
}

.model-badge-size {
  background: rgba(255, 255, 255, 0.08);
  color: var(--color-text-subtle);
  letter-spacing: 0.5px;
  font-family: var(--font-family-mono);
  font-size: 10px;
}

.model-badge-age {
  background: none;
  color: var(--color-text-faint);
  padding: 1px 2px;
  font-weight: var(--font-weight-regular);
}

.model-badge-moe {
  background: rgba(153, 153, 153, 0.2);
  color: var(--color-gray);
}

.model-badge-thinking {
  background: rgba(138, 43, 226, 0.2);
  color: var(--color-purple);
}

.model-badge-variant {
  background: rgba(255, 185, 0, 0.2);
  color: var(--color-warning);
}

.model-badge-reliable {
  background: rgba(127, 186, 0, 0.15);
  color: var(--color-success);
}

.model-badge-experimental {
  background: rgba(255, 74, 74, 0.15);
  color: var(--color-danger);
}

.model-radio-card-pricing {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 2px;
  flex-shrink: 0;
  margin-left: var(--spacing-md);
  font-family: var(--font-family-mono);
  font-size: var(--font-size-xs);
  line-height: 1.3;
  cursor: default;
}

.model-price {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.model-price-arrow {
  font-size: 11px;
  font-weight: var(--font-weight-bold);
  width: 10px;
  text-align: center;
}

.model-price-input .model-price-arrow {
  color: var(--color-success);
}

.model-price-output .model-price-arrow {
  color: var(--color-primary);
}

.model-price-value {
  color: var(--color-text-subtle);
  font-variant-numeric: tabular-nums;
  min-width: 48px;
  text-align: right;
}

.model-price-note {
  color: var(--color-text-faint);
  font-style: italic;
  text-transform: lowercase;
  letter-spacing: 0.05em;
}