/* Forms Styles — extends design tokens */

/* Page layout: form + sidebar */
.form-page-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
}

.page-form fieldset {
  border: 1px solid var(--color-border-light);
  border-radius: var(--border-radius-lg);
  padding: var(--space-6);
  margin-bottom: var(--space-6);
}

.page-form fieldset legend {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
  padding: 0 var(--space-2);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}

/* Field error messages */
.field-error {
  font-size: var(--font-size-xs);
  color: var(--color-error);
  margin-top: var(--space-1);
  min-height: 1rem;
}

.form-group input.error,
.form-group textarea.error,
.form-group select.error {
  border-color: var(--color-error);
}

.form-group input.error:focus,
.form-group textarea.error:focus,
.form-group select.error:focus {
  box-shadow: 0 0 0 3px rgba(231, 76, 60, 0.15);
}

/* Radio & Checkbox */
.radio-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.radio-label,
.checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  cursor: pointer;
  font-size: var(--font-size-sm);
  color: var(--color-text);
  line-height: var(--line-height-normal);
}

.radio-label input,
.checkbox-label input {
  margin-top: 3px;
  accent-color: var(--color-primary);
}

/* Submit button */
.form-submit-btn {
  width: 100%;
  margin-top: var(--space-4);
}

.form-submit-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.form-submit-btn.loading {
  position: relative;
  color: transparent;
}

.form-submit-btn.loading::after {
  content: '';
  position: absolute;
  width: 20px;
  height: 20px;
  top: 50%;
  left: 50%;
  margin-left: -10px;
  margin-top: -10px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Success message */
.form-success {
  display: none;
  margin-top: var(--space-4);
  padding: var(--space-4);
  background: var(--color-primary-bg);
  border: 1px solid var(--color-primary);
  border-radius: var(--border-radius);
  text-align: center;
  color: var(--color-primary);
  font-size: var(--font-size-sm);
}

.form-success.visible { display: block; }

/* Sidebar info cards */
.form-sidebar {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.info-card {
  background: var(--color-bg-alt);
  border-radius: var(--border-radius-lg);
  padding: var(--space-6);
}

.info-card h3 {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
  margin-bottom: var(--space-3);
}

.info-card p {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  line-height: var(--line-height-relaxed);
}

.info-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
}

.how-it-works {
  padding-left: var(--space-5);
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.how-it-works li::marker {
  color: var(--color-primary);
  font-weight: var(--font-weight-bold);
}

/* Responsive: 480px */
@media (min-width: 480px) {
  .form-row { grid-template-columns: 1fr 1fr; }
}

/* Responsive: 768px */
@media (min-width: 768px) {
  .form-page-layout { grid-template-columns: 2fr 1fr; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .form-submit-btn.loading::after {
    animation: none;
  }
}