/*
 * forms.css — Assurance à Juste Prix
 * All form elements: labels, inputs, selects, textareas,
 * checkboxes, error states, success states, submit buttons
 * Depends on main.css (CSS variables must be loaded first)
 */

/* ============================================================
   1. FORM CONTAINER LAYOUTS
   ============================================================ */

/* Full form card (homepage, contact page) */
.form-card {
  background-color: var(--color-white);
  border-radius: var(--radius-2xl);
  padding: clamp(var(--space-8), 5vw, var(--space-12));
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--color-border);
}

/* Compact form card (product pages, landing pages) */
.form-card--compact {
  padding: var(--space-8) var(--space-8);
  border-radius: var(--radius-xl);
}

/* Form title */
.form-title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}

.form-subtitle {
  font-size: var(--text-sm);
  color: var(--color-text-light);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-8);
}

/* Form section with label + input side by side on desktop */
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
}

@media (max-width: 599px) {
  .form-row { grid-template-columns: 1fr; }
}

/* Stacked form layout */
.form-stack {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

/* ============================================================
   2. FORM GROUPS (label + input pairs)
   ============================================================ */

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-group--full {
  grid-column: 1 / -1;
}

/* ============================================================
   3. LABELS
   ============================================================ */

.form-label {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--color-text);
  line-height: 1;
}

.form-label--required::after {
  content: ' *';
  color: var(--color-error);
  font-size: var(--text-sm);
}

.form-label__hint {
  font-weight: var(--weight-regular);
  color: var(--color-text-light);
  font-size: var(--text-xs);
}

/* ============================================================
   4. INPUTS, SELECTS, TEXTAREAS
   ============================================================ */

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: var(--weight-regular);
  color: var(--color-text);
  background-color: var(--color-bg);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  line-height: 1.5;
  appearance: none;
  -webkit-appearance: none;
  transition:
    border-color var(--transition-fast),
    box-shadow var(--transition-fast),
    background-color var(--transition-fast);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-text-light);
  opacity: 1;
}

/* Focus state */
.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  background-color: var(--color-white);
  box-shadow: 0 0 0 3px rgba(0, 52, 102, 0.10);
}

/* Hover state */
.form-input:hover:not(:focus),
.form-select:hover:not(:focus),
.form-textarea:hover:not(:focus) {
  border-color: var(--color-accent);
}

/* Error state */
.form-input.is-error,
.form-select.is-error,
.form-textarea.is-error {
  border-color: var(--color-error);
  background-color: rgba(220, 38, 38, 0.03);
}

.form-input.is-error:focus,
.form-select.is-error:focus,
.form-textarea.is-error:focus {
  box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.12);
}

/* Success state (validated) */
.form-input.is-valid,
.form-select.is-valid,
.form-textarea.is-valid {
  border-color: var(--color-success);
}

/* Disabled state */
.form-input:disabled,
.form-select:disabled,
.form-textarea:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  background-color: var(--color-border);
}

/* Select custom arrow */
.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236B7280' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.875rem center;
  padding-right: 2.5rem;
  cursor: pointer;
}

.form-select:focus {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%230A1F44' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
}

/* Textarea */
.form-textarea {
  resize: vertical;
  min-height: 120px;
  max-height: 300px;
}

/* Input with icon prefix */
.form-input-wrapper {
  position: relative;
}

.form-input-wrapper .form-input {
  padding-left: 2.75rem;
}

.form-input-icon {
  position: absolute;
  left: 0.875rem;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 18px;
  color: var(--color-text-light);
  pointer-events: none;
  transition: color var(--transition-fast);
}

.form-input-wrapper:focus-within .form-input-icon {
  color: var(--color-primary);
}

/* Tel input flag prefix (cosmetic) */
.form-tel-wrapper {
  position: relative;
}

.form-tel-prefix {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--color-text);
  pointer-events: none;
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.form-tel-wrapper .form-input {
  padding-left: 3.5rem;
}

/* ============================================================
   5. CHECKBOXES & RADIOS
   ============================================================ */

.form-check {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  cursor: pointer;
}

.form-check__input {
  width: 18px;
  height: 18px;
  min-width: 18px;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-sm);
  background-color: var(--color-white);
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
  position: relative;
  margin-top: 2px;
  transition:
    border-color var(--transition-fast),
    background-color var(--transition-fast),
    box-shadow var(--transition-fast);
}

.form-check__input:hover {
  border-color: var(--color-primary);
}

.form-check__input:focus-visible {
  outline: 2px solid var(--color-secondary);
  outline-offset: 2px;
}

.form-check__input:checked {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
}

/* Custom checkmark */
.form-check__input:checked::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 10'%3E%3Cpath d='M1 5l3.5 3.5L11 1' stroke='white' stroke-width='2' stroke-linecap='round' stroke-linejoin='round' fill='none'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
  background-size: 10px;
}

.form-check__input.is-error {
  border-color: var(--color-error);
}

.form-check__label {
  font-size: var(--text-sm);
  color: var(--color-text);
  line-height: var(--leading-relaxed);
  cursor: pointer;
}

.form-check__label a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 2px;
  font-weight: var(--weight-medium);
}

.form-check__label a:hover {
  color: var(--color-secondary);
}

/* Radio style */
.form-radio__input {
  border-radius: var(--radius-full);
}

.form-radio__input:checked::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 8px;
  height: 8px;
  background-color: var(--color-white);
  border-radius: var(--radius-full);
  background-image: none;
}

/* ============================================================
   6. ERROR & HELP MESSAGES
   ============================================================ */

.form-error {
  display: flex;
  align-items: flex-start;
  gap: var(--space-1);
  font-size: var(--text-xs);
  color: var(--color-error);
  font-weight: var(--weight-medium);
  min-height: 1.25rem;
}

.form-error svg {
  width: 12px;
  height: 12px;
  flex-shrink: 0;
  margin-top: 1px;
}

.form-help {
  font-size: var(--text-xs);
  color: var(--color-text-light);
  line-height: var(--leading-relaxed);
}

/* ============================================================
   7. HIDDEN TRACKING FIELDS
   ============================================================ */

.form-hidden {
  display: none;
}

/* ============================================================
   8. FORM SUBMIT BUTTON
   ============================================================ */

.form-submit {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  align-items: flex-start;
}

.form-submit--center {
  align-items: center;
}

/* Loading state on submit button */
.btn--loading {
  pointer-events: none;
  opacity: 0.8;
}

.btn--loading .btn__text {
  opacity: 0;
}

.btn--loading::after {
  content: '';
  position: absolute;
  width: 18px;
  height: 18px;
  border: 2px solid transparent;
  border-top-color: currentColor;
  border-radius: var(--radius-full);
  animation: spin 0.7s linear infinite;
}

.form-submit .form-privacy {
  font-size: var(--text-xs);
  color: var(--color-text-light);
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.form-submit .form-privacy svg {
  width: 12px;
  height: 12px;
  color: var(--color-success);
  flex-shrink: 0;
}

/* ============================================================
   9. FORM SUCCESS OVERLAY
   ============================================================ */

.form-success {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-12) var(--space-6);
  gap: var(--space-4);
}

.form-success.is-visible {
  display: flex;
}

.form-success__icon {
  width: 60px;
  height: 60px;
  background-color: rgba(5, 150, 105, 0.12);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-success);
}

.form-success__icon svg {
  width: 30px;
  height: 30px;
}

.form-success__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--color-primary);
}

.form-success__text {
  font-size: var(--text-sm);
  color: var(--color-text-light);
  line-height: var(--leading-relaxed);
  max-width: 36ch;
}

/* ============================================================
   10. FORM GLOBAL ERROR (server error)
   ============================================================ */

.form-global-error {
  display: none;
  background-color: rgba(220, 38, 38, 0.08);
  border: 1px solid rgba(220, 38, 38, 0.25);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  font-size: var(--text-sm);
  color: #991B1B;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
}

.form-global-error.is-visible {
  display: flex;
}

.form-global-error svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

/* ============================================================
   11. MINI FORM (landing pages — compact variant)
   ============================================================ */

.form-mini {
  background-color: var(--color-white);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-xl);
}

.form-mini .form-title {
  font-size: var(--text-xl);
  margin-bottom: var(--space-1);
}

.form-mini .form-subtitle {
  font-size: var(--text-xs);
  margin-bottom: var(--space-6);
}

.form-mini .form-stack {
  gap: var(--space-4);
}

.form-mini .form-label {
  font-size: var(--text-xs);
}

.form-mini .form-input,
.form-mini .form-select {
  padding: 0.625rem 0.875rem;
  font-size: var(--text-sm);
}

.form-mini .form-check__label {
  font-size: var(--text-xs);
}

/* ============================================================
   12. HORIZONTAL FORM (2-col split on large screens)
   ============================================================ */

.form-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: start;
}

.form-split__info {
  padding-top: var(--space-4);
}

.form-split__info h2 {
  margin-bottom: var(--space-5);
}

.form-split__info p {
  font-size: var(--text-base);
  color: var(--color-text-light);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-6);
}

.form-split__trust {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.form-split__trust-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text);
}

.form-split__trust-item svg {
  width: 18px;
  height: 18px;
  color: var(--color-success);
  flex-shrink: 0;
}

@media (max-width: 1023px) {
  .form-split {
    grid-template-columns: 1fr;
    gap: var(--space-10);
  }
}

/* ============================================================
   13. FORM ON DARK BACKGROUND (hero section form)
   ============================================================ */

.form-dark .form-input,
.form-dark .form-select,
.form-dark .form-textarea {
  background-color: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.20);
  color: var(--color-white);
}

.form-dark .form-input::placeholder,
.form-dark .form-textarea::placeholder {
  color: rgba(255, 255, 255, 0.45);
}

.form-dark .form-input:focus,
.form-dark .form-select:focus,
.form-dark .form-textarea:focus {
  background-color: rgba(255, 255, 255, 0.13);
  border-color: var(--color-secondary);
  box-shadow: 0 0 0 3px rgba(255, 127, 0, 0.18);
}

.form-dark .form-label {
  color: rgba(255, 255, 255, 0.88);
}

.form-dark .form-check__label {
  color: rgba(255, 255, 255, 0.75);
}

.form-dark .form-check__input {
  border-color: rgba(255, 255, 255, 0.35);
  background-color: rgba(255, 255, 255, 0.05);
}

/* ============================================================
   14. FIELD COUNTER (textarea character count)
   ============================================================ */

.form-field-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-2);
}

.form-char-count {
  font-size: var(--text-xs);
  color: var(--color-text-light);
  font-family: var(--font-mono);
}

/* ============================================================
   15. RECAPTCHA DISCLOSURE
   ============================================================ */

.recaptcha-note {
  font-size: 11px;
  color: var(--color-text-light);
  line-height: 1.5;
  margin-top: var(--space-3);
}

.recaptcha-note a {
  color: var(--color-accent);
  text-decoration: underline;
}