/* ========================================
   CNESST Landing Pages - Form Styles
   WCAG 2.1 AA Compliant Forms
   ======================================== */

/* ========================================
   Fieldset & Legend
   ======================================== */

/* Fieldset & Legend (Figma Design) */
fieldset {
  border: none;
  border-radius: 0;
  padding: 0;
  margin-bottom: var(--spacing-xl);
  background-color: transparent;
  color: var(--text-primary);
}

fieldset * {
  color: inherit;
}

fieldset legend {
  color: var(--text-primary);
}

legend {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-primary);
  padding: 0;
  margin-bottom: var(--spacing-md);
  width: 100%;
}

/* ========================================
   Form Groups
   ======================================== */

.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
}

.form-group label.required::after {
  content: " *";
  color: var(--danger-color);
}

/* ========================================
   Text Inputs & Select
   ======================================== */

.form-control {
  display: block;
  width: 100%;
  padding: 0.625rem 0.875rem;
  font-size: var(--font-size-base);
  font-family: var(--font-family);
  line-height: 1.5;
  color: var(--text-primary);
  background-color: var(--bg-white);
  background-clip: padding-box;
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-control:focus {
  outline: 0;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(0, 86, 179, 0.25);
}

.form-control:disabled {
  background-color: var(--bg-disabled);
  opacity: 0.6;
  cursor: not-allowed;
}

select.form-control {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 16 16'%3E%3Cpath fill='%23212529' d='M8 11L3 6h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  background-size: 16px 12px;
  padding-right: 2.5rem;
}

/* ========================================
   Radio Buttons & Checkboxes
   ======================================== */

.radio-group,
.checkbox-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.radio-option,
.checkbox-option {
  display: flex;
  align-items: flex-start;
  position: relative;
  padding-left: 0;
}

.radio-option input[type="radio"],
.checkbox-option input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

/* Radio/Checkbox Labels (Figma Design) */
.radio-option label,
.checkbox-option label {
  display: flex;
  align-items: center;
  cursor: pointer;
  padding: var(--spacing-md) var(--spacing-lg);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  background-color: #ffffff;
  color: #212529;
  width: 100%;
  transition: all 0.2s ease;
  font-weight: 400;
  margin-bottom: 0;
}

.radio-option label *,
.checkbox-option label * {
  color: #212529 ;
}

.radio-option label::before,
.checkbox-option label::before {
  content: '';
  display: inline-block;
  width: 20px;
  height: 20px;
  margin-right: var(--spacing-md);
  border: 2px solid var(--border-color);
  background-color: var(--bg-white);
  flex-shrink: 0;
  transition: all 0.2s ease;
}

.radio-option label::before {
  border-radius: 50%;
}

.checkbox-option label::before {
  border-radius: 3px;
}

.radio-option input[type="radio"]:checked + label::before {
  border-color: var(--primary-color);
  background-color: var(--primary-color);
  box-shadow: inset 0 0 0 3px var(--bg-white);
}

.checkbox-option input[type="checkbox"]:checked + label::before {
  border-color: var(--primary-color);
  background-color: var(--primary-color);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 16 16'%3E%3Cpath fill='white' d='M13.854 3.646a.5.5 0 0 1 0 .708l-7 7a.5.5 0 0 1-.708 0l-3.5-3.5a.5.5 0 1 1 .708-.708L6.5 10.293l6.646-6.647a.5.5 0 0 1 .708 0z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
}

.radio-option input[type="radio"]:checked + label,
.checkbox-option input[type="checkbox"]:checked + label {
  border-color: var(--primary-color);
  background-color: #e7f3ff;
}

.radio-option input[type="radio"]:focus + label,
.checkbox-option input[type="checkbox"]:focus + label {
  outline: 3px solid var(--primary-color);
  outline-offset: 2px;
}

.radio-option label:hover,
.checkbox-option label:hover {
  border-color: var(--primary-color);
  background-color: #f0f8ff;
}

/* ========================================
   Form Help Text
   ======================================== */

/* Help Box - Green Info Style (Figma Design) */
.form-help {
  display: block;
  margin-top: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
  font-size: var(--font-size-base);
  color: #212529 !important;
  font-weight: 500;
  padding: var(--spacing-md) var(--spacing-lg);
  background-color: #E8F5E8 !important;
  border-left: 4px solid #008A00 !important;
  border-radius: var(--border-radius);
  position: relative;
  padding-left: 3rem;
}

.form-help::before {
  content: "ⓘ";
  position: absolute;
  left: var(--spacing-md);
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.25rem;
  line-height: 1;
  color: #008A00;
  font-weight: bold;
}

/* Lien en vert foncé pour contraste WCAG 2 AA sur fond #E8F5E8 (min. 4.5:1) */
.form-help a {
  color: #006000;
  text-decoration: underline;
  font-weight: 600;
}

.form-help a:hover,
.form-help a:focus {
  color: #004d00;
  text-decoration: none;
}

/* Support pour les listes dans form-help */
.form-help ul {
  margin-top: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
  padding-left: var(--spacing-lg);
}

.form-help ul li {
  margin-bottom: var(--spacing-xs);
}

/* ========================================
   Error & Validation States
   ======================================== */

.form-error {
  color: var(--danger-color);
  font-size: var(--font-size-sm);
  margin-top: var(--spacing-sm);
  display: block;
}

.form-error::before {
  content: "⚠ ";
  font-weight: bold;
}

.form-control.is-invalid {
  border-color: var(--danger-color);
}

.form-control.is-invalid:focus {
  border-color: var(--danger-color);
  box-shadow: 0 0 0 3px rgba(220, 53, 69, 0.25);
}

.form-control.is-valid {
  border-color: var(--success-color);
}

.form-control.is-valid:focus {
  border-color: var(--success-color);
  box-shadow: 0 0 0 3px rgba(40, 167, 69, 0.25);
}

/* ========================================
   Form Actions (button groups)
   ======================================== */

.form-actions {
  display: flex;
  gap: var(--spacing-md);
  margin-top: var(--spacing-xl);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--border-color);
}

.form-actions .btn {
  flex: 0 0 auto;
}

@media (max-width: 576px) {
  .form-actions {
    flex-direction: column;
  }

  .form-actions .btn {
    width: 100%;
  }
}

/* ========================================
   Formulaires – optimisation mobile
   ======================================== */

@media (max-width: 768px) {
  /* Évite le zoom automatique sur iOS quand on focus un input */
  .form-control,
  input[type="text"],
  input[type="email"],
  input[type="tel"],
  input[type="number"],
  select {
    font-size: 16px;
  }

  /* Zones tactiles minimales 44px (WCAG) */
  .radio-option label,
  .checkbox-option label {
    min-height: 44px;
    padding: var(--spacing-md) var(--spacing-lg);
  }

  .form-control {
    min-height: 44px;
    padding: 0.75rem 0.875rem;
  }

  select.form-control {
    padding-top: 0.75rem;
    padding-bottom: 0.75rem;
  }
}

/* ========================================
   RSS / CSS — Étapes du formulaire (enchaînement visuel)
   ======================================== */

.rss-step {
  margin-bottom: var(--spacing-xxl);
  width: 100%;
}

.rss-step:last-of-type {
  margin-bottom: 0;
}

.rss-step.hidden {
  margin-bottom: 0;
}

.rss-step .form-section {
  margin-bottom: 0;
}

.rss-step fieldset {
  width: 100%;
  max-width: 100%;
}

/* ========================================
   Conditional Sections
   ======================================== */

.conditional-section {
  animation: fadeIn 0.3s ease-in;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ========================================
   Section Spacing
   ======================================== */

.form-section {
  margin-bottom: var(--spacing-xxl);
}

.form-section:last-child {
  margin-bottom: 0;
}

.form-section-title {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--primary-color);
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-sm);
  border-bottom: 2px solid var(--border-color);
}

/* Green Alert Box - Intro (Figma Design) */
.form-section-intro {
  background-color: var(--primary-color);
  color: var(--text-white);
  border: none;
  padding: var(--spacing-md) var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
  border-radius: var(--border-radius);
}

.form-section-intro p {
  margin-bottom: 0;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-white);
}

.form-section-intro a {
  color: var(--text-white);
  text-decoration: underline;
}

.form-section-intro a:hover {
  color: rgba(255, 255, 255, 0.8);
}

/* ========================================
   Required Field Indicator
   ======================================== */

.required-note {
  font-size: var(--font-size-sm);
  color: var(--text-primary);
  font-style: italic;
  margin-bottom: var(--spacing-lg);
  font-weight: 500;
}

.required-note::before {
  content: "* ";
  color: #D80000;
  font-weight: 900;
}

span.required {
  color: var(--danger-color);
  font-weight: 700;
}

/* ========================================
   Loading State
   ======================================== */

.form-loading {
  opacity: 0.6;
  pointer-events: none;
  position: relative;
}

.form-loading::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255, 255, 255, 0.8);
  z-index: 1;
}