/**
 * Form Validation Styles
 * Enhanced styling for form validation states and error/success messages
 * Uses design system CSS variables for consistency
 */

/* Field Error States */
.form-control.error {
  border-color: var(--color-error, #D32F2F) !important;
  border-width: 2px;
  background-color: #fff5f5;
}

.form-control.error:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(211, 47, 47, 0.1);
}

/* Field Success States */
.form-control.success {
  border-color: var(--color-success, #00A86B) !important;
  border-width: 2px;
  background-color: #f0fdf4;
}

.form-control.success:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(0, 168, 107, 0.1);
}

/* Field Error Messages */
.field-error {
  display: block;
  color: var(--color-error, #D32F2F);
  font-size: 0.875rem;
  margin-top: 0.25rem;
  padding: 0.25rem 0;
  font-weight: 500;
  animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-5px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Form Group Styling */
.form-group {
  position: relative;
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: var(--color-dark, #1A1A1A);
  font-size: 0.95rem;
}

.form-group label .required {
  color: var(--color-error, #D32F2F);
  margin-left: 0.25rem;
}

/* Form Control Base Styles */
.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 1rem;
  line-height: 1.5;
  color: var(--color-dark, #1A1A1A);
  background-color: #fff;
  border: 1px solid var(--color-gray-light, #E0E0E0);
  border-radius: var(--radius-md, 8px);
  transition: all 0.3s ease;
}

.form-control:focus {
  outline: none;
  border-color: var(--color-primary, #0066CC);
  box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

.form-control::placeholder {
  color: var(--color-gray, #757575);
  opacity: 0.7;
}

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

/* Select Specific */
select.form-control {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23757575' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

/* General Error Message */
#errormessage {
  display: none;
  color: var(--color-error, #D32F2F);
  padding: 1rem 1.25rem;
  margin-bottom: 1.5rem;
  border: 2px solid var(--color-error, #D32F2F);
  border-radius: var(--radius-md, 8px);
  background-color: #fff5f5;
  font-size: 0.95rem;
  animation: fadeIn 0.3s ease-out;
}

#errormessage.show {
  display: block;
}

#errormessage strong {
  font-weight: 700;
  display: block;
  margin-bottom: 0.5rem;
}

/* Success Message */
#sendmessage {
  display: none;
  color: var(--color-success, #00A86B);
  padding: 1rem 1.25rem;
  margin-bottom: 1.5rem;
  border: 2px solid var(--color-success, #00A86B);
  border-radius: var(--radius-md, 8px);
  background-color: #f0fdf4;
  font-size: 0.95rem;
  animation: fadeIn 0.3s ease-out;
}

#sendmessage.show {
  display: block;
}

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

/* Submit Button States */
button[type="submit"],
.btn-submit {
  background-color: var(--color-primary, #0066CC);
  color: white;
  padding: 0.875rem 2rem;
  font-size: 1rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-md, 8px);
  cursor: pointer;
  transition: all 0.3s ease;
  width: 100%;
  max-width: 300px;
  margin: 0 auto;
  display: block;
}

button[type="submit"]:hover,
.btn-submit:hover {
  background-color: var(--color-primary-dark, #004C99);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 102, 204, 0.3);
}

button[type="submit"]:active,
.btn-submit:active {
  transform: translateY(0);
}

button[type="submit"]:disabled,
.btn-submit:disabled {
  background-color: var(--color-gray, #757575);
  cursor: not-allowed;
  opacity: 0.6;
  transform: none;
}

/* Loading State */
button[type="submit"].loading,
.btn-submit.loading {
  position: relative;
  color: transparent;
  pointer-events: none;
}

button[type="submit"].loading::after,
.btn-submit.loading::after {
  content: "";
  position: absolute;
  width: 20px;
  height: 20px;
  top: 50%;
  left: 50%;
  margin-left: -10px;
  margin-top: -10px;
  border: 3px solid rgba(255, 255, 255, 0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* Form Row Layout */
.form-row {
  display: flex;
  flex-wrap: wrap;
  margin-left: -0.75rem;
  margin-right: -0.75rem;
}

.form-row > .form-group {
  padding-left: 0.75rem;
  padding-right: 0.75rem;
}

/* Responsive Adjustments */
@media (max-width: 768px) {
  .form-control {
    font-size: 16px; /* Prevents zoom on iOS */
  }
  
  button[type="submit"],
  .btn-submit {
    width: 100%;
    max-width: none;
  }
  
  .form-row > .form-group {
    flex: 0 0 100%;
    max-width: 100%;
  }
}

@media (min-width: 769px) {
  .form-row > .form-group.col-md-6 {
    flex: 0 0 50%;
    max-width: 50%;
  }
}

/* Accessibility Improvements */
.form-control:focus-visible {
  outline: 2px solid var(--color-primary, #0066CC);
  outline-offset: 2px;
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
  .form-control.error {
    border-width: 3px;
  }
  
  .form-control.success {
    border-width: 3px;
  }
  
  .field-error {
    font-weight: 700;
  }
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
  .form-control,
  button[type="submit"],
  .btn-submit,
  .field-error,
  #errormessage,
  #sendmessage {
    animation: none;
    transition: none;
  }
}

/* Print Styles */
@media print {
  .field-error,
  #errormessage {
    display: none;
  }
  
  .form-control.error,
  .form-control.success {
    border-color: #000;
    background-color: transparent;
  }
}