/* ============================================================
   FORMS — Champs de formulaires unifiés
   ============================================================ */

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

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
}

@media (max-width: 640px) {
  .form-grid { grid-template-columns: 1fr; }
}

/* Labels */
.form-label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-neutral-700);
  margin-bottom: var(--space-2);
}

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

/* Inputs & Selects */
.form-control {
  display: block;
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-regular);
  line-height: var(--line-height-base);
  color: var(--color-neutral-900);
  background-color: var(--color-white);
  border: 1.5px solid var(--color-neutral-300);
  border-radius: var(--radius-md);
  min-height: 48px;
  appearance: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-primary-600);
  box-shadow: 0 0 0 3px rgba(0, 122, 61, 0.12);
}

.form-control:disabled {
  background-color: var(--color-neutral-100);
  color: var(--color-neutral-400);
  cursor: not-allowed;
}

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

/* Select */
select.form-control {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%234A5568' stroke-width='2'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' d='M19 9l-7 7-7-7'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-3) center;
  background-size: 16px;
  padding-right: var(--space-10);
  cursor: pointer;
}

select.form-control:disabled { cursor: not-allowed; }

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

/* Messages d'aide / erreur */
.form-help {
  display: block;
  font-size: var(--font-size-xs);
  color: var(--color-neutral-600);
  margin-top: var(--space-1);
}

.form-error {
  display: block;
  font-size: var(--font-size-xs);
  color: var(--color-danger);
  margin-top: var(--space-1);
}

/* Input avec icône */
.form-input-icon {
  position: relative;
}
.form-input-icon .form-control { padding-left: var(--space-10); }
.form-input-icon .form-icon {
  position: absolute;
  left: var(--space-3);
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-neutral-400);
  pointer-events: none;
}

/* Checkbox / Radio */
.form-check {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  cursor: pointer;
}

.form-check input[type="checkbox"],
.form-check input[type="radio"] {
  width: 18px;
  height: 18px;
  margin-top: 2px;
  accent-color: var(--color-primary-600);
  cursor: pointer;
  flex-shrink: 0;
}

.form-check-label {
  font-size: var(--font-size-sm);
  color: var(--color-neutral-700);
  line-height: var(--line-height-relaxed);
}

/* Select avec spinner de chargement */
.form-select-wrap {
  position: relative;
}
.form-select-wrap .form-spinner {
  display: none;
  position: absolute;
  right: var(--space-8);
  top: 50%;
  transform: translateY(-50%);
  width: 14px;
  height: 14px;
  border: 2px solid var(--color-neutral-200);
  border-top-color: var(--color-primary-600);
  border-radius: 50%;
  animation: btn-spin 0.6s linear infinite;
}
.form-select-wrap.is-loading .form-spinner { display: block; }
.form-select-wrap.is-loading select { opacity: 0.6; pointer-events: none; }