.hero {
  padding: var(--space-12) 0;
  text-align: center;
}
.subtitle {
  font-size: 1.25rem;
  color: var(--color-text-muted);
  max-width: 600px;
  margin: 0 auto;
}

.error-action {
  display: flex;
  justify-content: center;
  margin-top: calc(var(--space-4) * -1);
}

.content-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  @media (min-width: 768px) {
    grid-template-columns: 1.5fr 1fr;
    gap: var(--space-8);
  }
}

.centered-col {
  align-self: flex-start; /* Default */
  @media (min-width: 768px) {
    align-self: center;
  }
}

.col-input {
  min-width: 0;
}

.col-result {
  min-width: 0;
  display: flex;
  flex-direction: column;
}

/* Stretch only the loading card so the spinner stays centered */
.col-result > .loading-state {
  flex: 1;
}

/* Mode Selector (Segmented Control style) */
.mode-selector {
  display: flex;
  background-color: var(--color-neutral-100);
  border-radius: var(--radius-md);
  padding: 4px;
  margin-bottom: var(--space-6);
  gap: 4px;
  width: 100%;
}

.mode-option {
  flex: 1;
  text-align: center;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-muted);
  transition: all 0.2s ease;
  user-select: none;

  &:hover {
    color: var(--color-text);
  }

  &.active {
    background-color: var(--color-brand);
    color: #000;
    font-weight: 600;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
  }

  &.disabled {
    opacity: 0.6;
    cursor: not-allowed;
  }
}

.benefits {
  padding-left: var(--space-4);
  color: var(--color-text-muted);
  line-height: 2;
}

.zero-result-card p {
  color: var(--color-text-muted);
  line-height: 1.6;
}

.zero-result-action {
  margin-top: var(--space-4);
}

.loader-content {
  text-align: center;
  max-width: 300px;
  margin: 0 auto;

  /* Center content vertically within the stretched card */
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.loading-title {
  font-size: 1.1rem;
  font-weight: 600;
  margin: var(--space-4) 0 var(--space-2);
  color: var(--color-text);
}

.loading-text {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

.spinner {
  border: 3px solid var(--color-neutral-200);
  border-left-color: var(--color-brand);
  border-radius: 50%;
  width: 48px;
  height: 48px;
  animation: spin 1s linear infinite;
  margin: 0 auto;
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}