/**
 * Validation Styles - Stili per validazione form
 * Gestione visiva degli errori e stati di validazione
 */

/* Container per errori generali */
.validation-errors {
  background-color: #f8d7da;
  border: 1px solid #f5c6cb;
  border-radius: 4px;
  padding: 15px;
  margin-bottom: 20px;
  color: #721c24;
  font-size: 14px;
}

.validation-errors-list {
  margin: 0;
  padding-left: 20px;
}

.validation-error-item {
  margin-bottom: 5px;
  color: #721c24;
}

/* Errori per campi specifici */
.field-error {
  display: none;
  color: #dc3545;
  font-size: 12px;
  margin-top: 5px;
  font-weight: 500;
}

/* Stati di validazione per i campi */
.form-group input.valid,
.form-group textarea.valid {
  border-color: #28a745 !important;
  box-shadow: 0 0 0 0.2rem rgba(40, 167, 69, 0.25);
}

.form-group input.invalid,
.form-group textarea.invalid {
  border-color: #dc3545 !important;
  box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.25);
}

/* Icone di validazione */
.form-group {
  position: relative;
}

.form-group input.valid::after,
.form-group textarea.valid::after {
  content: '✓';
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: #28a745;
  font-weight: bold;
}

.form-group input.invalid::after,
.form-group textarea.invalid::after {
  content: '✗';
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: #dc3545;
  font-weight: bold;
}

/* Animazioni per transizioni di stato */
.form-group input,
.form-group textarea {
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

/* Messaggi di successo */
.text-success {
  color: #28a745 !important;
  font-weight: 500;
}

/* Messaggi di errore */
.text-danger {
  color: #dc3545 !important;
  font-weight: 500;
}

/* Pulsante disabilitato */
button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* Spinner per caricamento */
.fa-spin {
  animation: fa-spin 1s infinite linear;
}

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

/* Responsive per dispositivi mobili */
@media (max-width: 768px) {
  .validation-errors {
    padding: 10px;
    font-size: 13px;
  }
  
  .field-error {
    font-size: 11px;
  }
}

/* Focus states migliorati */
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: #007bff;
  box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

/* Hover states */
.form-group input:hover,
.form-group textarea:hover {
  border-color: #6c757d;
}

/* Placeholder styling */
.form-group input::placeholder,
.form-group textarea::placeholder {
  color: #6c757d;
  opacity: 0.7;
}

/* Required field indicator */
.form-group input[required]::before,
.form-group textarea[required]::before {
  content: '*';
  color: #dc3545;
  position: absolute;
  left: -10px;
  top: 50%;
  transform: translateY(-50%);
  font-weight: bold;
}

/* Pattern validation feedback */
.form-group input:invalid:not(:placeholder-shown),
.form-group textarea:invalid:not(:placeholder-shown) {
  border-color: #dc3545;
}

.form-group input:valid:not(:placeholder-shown),
.form-group textarea:valid:not(:placeholder-shown) {
  border-color: #28a745;
}