/* Enhanced form styling with security and accessibility improvements */

.contact-form {
  position: relative;
}

/* Form validation styles */
.form-control.is-valid {
  border-color: #28a745;
}

.form-control.is-invalid {
  border-color: #dc3545;
}

.form-check-input.is-invalid {
  border-color: #dc3545;
}

.form-check-input.is-invalid:checked {
  background-color: #dc3545;
  border-color: #dc3545;
}

/* Modern feedback messages */
.invalid-feedback {
  display: none;
  width: 100%;
  margin-top: 0.5rem;
  font-size: 0.875em;
  color: #dc3545;
}

.valid-feedback {
  display: none;
  width: 100%;
  margin-top: 0.5rem;
  font-size: 0.875em;
  color: #28a745;
}

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

/* Show feedback only when field has validation classes */
.form-control.is-invalid ~ .invalid-feedback,
.form-check-input.is-invalid ~ .invalid-feedback {
  display: block;
}

.form-control.is-valid ~ .valid-feedback,
.form-check-input.is-valid ~ .valid-feedback {
  display: block;
}

/* Submit button enhancements */
.btn-primary {
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
}

.btn-primary:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

.btn-spinner {
  width: 1rem;
  height: 1rem;
  margin-left: 0.5rem;
}

/* Success Popup Styles */
.popup-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  animation: fadeIn 0.3s ease-out;
}

.success-popup {
  background: white;
  border-radius: 12px;
  padding: 0;
  max-width: 400px;
  width: 90%;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
  animation: slideUp 0.3s ease-out;
}

.popup-content {
  text-align: center;
  padding: 2rem;
}

.success-icon {
  font-size: 4rem;
  color: #28a745;
  margin-bottom: 1rem;
}

.success-popup h3 {
  color: #333;
  margin-bottom: 1rem;
  font-size: 1.5rem;
}

.success-popup p {
  color: #666;
  margin-bottom: 1.5rem;
  line-height: 1.5;
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(30px) scale(0.9);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* Form status messages */
.form-status {
  border-radius: 0.375rem;
  padding: 0.75rem 1rem;
  margin-top: 1rem;
  border: 1px solid transparent;
  display: none;
}

.form-status.alert-success {
  color: #155724;
  background-color: #d4edda;
  border-color: #c3e6cb;
}

.form-status.alert-danger {
  color: #721c24;
  background-color: #f8d7da;
  border-color: #f5c6cb;
}

.form-status.alert-warning {
  color: #856404;
  background-color: #fff3cd;
  border-color: #ffeaa7;
}

.form-status.alert-info {
  color: #0c5460;
  background-color: #d1ecf1;
  border-color: #bee5eb;
}

/* Privacy checkbox styling */
.form-check {
  padding-left: 1.5rem;
}

.form-check-input {
  margin-left: -1.5rem;
  margin-top: 0.25rem;
}

.form-check-label {
  font-size: 0.9rem;
  cursor: pointer;
}

/* Accessibility improvements */
.form-control:focus {
  box-shadow: 0 0 0 0.2rem rgba(52, 152, 219, 0.25);
  border-color: #3498db;
}

.form-check-input:focus {
  box-shadow: 0 0 0 0.2rem rgba(52, 152, 219, 0.25);
  border-color: #3498db;
}

/* Loading state */
.btn-primary.loading {
  pointer-events: none;
}

.btn-primary.loading .btn-text {
  opacity: 0.7;
}

/* Character counter (optional) */
.char-counter {
  font-size: 0.8rem;
  color: #6c757d;
  text-align: right;
  margin-top: 0.25rem;
}

.char-counter.warning {
  color: #856404;
}

.char-counter.danger {
  color: #721c24;
}

/* Form field animations */
.form-control {
  transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out, background-image 0.15s ease-in-out;
}

/* Social links accessibility */
.social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  background-color: var(--primary-color);
  color: #fff;
  text-decoration: none;
  transition: all 0.3s ease;
  font-size: 1.5rem;
}

.social-link:hover,
.social-link:focus {
  background-color: var(--primary-color);
  color: #fff;
  transform: translateY(-2px);
  text-decoration: none;
  opacity: 0.8;
}

.social-link:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

/* Contact section theme support */
.contact-section .form-check-label {
  color: var(--text-color, #6c757d);
}

body.dark-mode .contact-section .form-check-label {
  color: var(--dark-text-secondary);
}

body.dark-mode .contact-section .social-link {
  background-color: var(--dark-primary);
}

body.dark-mode .contact-section .social-link:hover {
  background-color: var(--dark-primary-dark);
  opacity: 1;
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
  .form-status.alert-success {
    color: #d4edda;
    background-color: #155724;
    border-color: #28a745;
  }
  
  .form-status.alert-danger {
    color: #f8d7da;
    background-color: #721c24;
    border-color: #dc3545;
  }
  
  .form-status.alert-warning {
    color: #fff3cd;
    background-color: #856404;
    border-color: #ffc107;
  }
  
  .form-status.alert-info {
    color: #d1ecf1;
    background-color: #0c5460;
    border-color: #17a2b8;
  }
}

/* Responsive improvements */
@media (max-width: 768px) {
  .social-links {
    gap: 2rem !important;
  }
  
  .social-link {
    width: 2.5rem;
    height: 2.5rem;
    font-size: 1.25rem;
  }
  
  .form-control {
    font-size: 16px; /* Prevents zoom on iOS */
  }
}