/* AJAX Form Messages Styles */
.form-message {
  margin-top: 1rem;
  position: relative;
  z-index: 10;
}

.form-message .alert {
  padding: 0.5rem 0.8rem;
  margin-bottom: 1rem;
  border: 1px solid transparent;
  border-radius: 0.5rem;
  font-size: 0.875rem;
  line-height: 1.5;
  position: relative;
  animation: slideInDown 0.3s ease-out;
}

.form-message .alert i {
  margin-right: 0.5rem;
  font-size: 1rem;
}

/* Success Alert */
.form-message .alert-success {
  color: #155724;
  background-color: #d4edda;
  border-color: #c3e6cb;
}

.form-message .alert-success i {
  color: #28a745;
}

/* Error Alert */
.form-message .alert-danger {
  color: #721c24;
  background-color: #f8d7da;
  border-color: #f5c6cb;
  font-size: 0.8rem;
}

.form-message .alert-danger i {
  color: #dc3545;
  position: absolute;
  top: 13px;
}

/* Info/Loading Alert */
.form-message .alert-info {
  color: #0c5460;
  background-color: #d1ecf1;
  border-color: #bee5eb;
}

.form-message .alert-info i {
  color: #17a2b8;
}

/* Warning Alert */
.form-message .alert-warning {
  color: #856404;
  background-color: #fff3cd;
  border-color: #ffeaa7;
}

.form-message .alert-warning i {
  color: #ffc107;
}

/* Loading Spinner Animation */
.form-message .alert-info .fa-spinner {
  animation: spin 1s linear infinite;
}

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

/* Slide In Animation */
@keyframes slideInDown {
  0% {
    opacity: 0;
    transform: translateY(-20px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Fade Out Animation */
.form-message .alert.fade-out {
  animation: fadeOut 0.5s ease-out forwards;
}

@keyframes fadeOut {
  0% {
    opacity: 1;
    transform: translateY(0);
  }
  100% {
    opacity: 0;
    transform: translateY(-10px);
  }
}

/* Error List Styles */
.form-message .alert-danger ul {
  margin: 0;
  padding-left: 1.25rem;
}

.form-message .alert-danger li {
  margin-bottom: 0.25rem;
}

.form-message .alert-danger li:last-child {
  margin-bottom: 0;
}

/* Button Loading State */
.ajax-form button[type="submit"].loading {
  position: relative;
  color: transparent !important;
  pointer-events: none;
}

.ajax-form button[type="submit"].loading::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 1rem;
  height: 1rem;
  margin: -0.5rem 0 0 -0.5rem;
  border: 2px solid transparent;
  border-top-color: currentColor;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

/* Form Validation Error Styles */
.ajax-form .form-group.invalid input,
.ajax-form .form-group.invalid textarea,
.ajax-form .form-group.invalid select {
  border-color: #dc3545;
  box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.25);
}

.ajax-form .form-group.invalid .select2-container .select2-selection {
  border-color: #dc3545 !important;
  box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.25) !important;
}

.ajax-form .form-group.valid input,
.ajax-form .form-group.valid textarea,
.ajax-form .form-group.valid select {
  border-color: #28a745;
  box-shadow: 0 0 0 0.2rem rgba(40, 167, 69, 0.25);
}

.ajax-form .form-group.valid .select2-container .select2-selection {
  border-color: #28a745 !important;
  box-shadow: 0 0 0 0.2rem rgba(40, 167, 69, 0.25) !important;
}

/* Validation Error Messages */
.ajax-form .form-group label.error {
  color: #dc3545;
  font-size: 0.75rem;
  margin-top: 0.25rem;
  display: block;
}

/* Responsive Styles */
@media (max-width: 768px) {
  .form-message .alert {
    padding: 0.75rem 1rem;
    font-size: 0.8rem;
  }

  .form-message .alert i {
    font-size: 0.875rem;
  }
}

/* Dark Theme Support */
@media (prefers-color-scheme: dark) {
  .form-message .alert-success {
    color: #d4edda;
    background-color: #155724;
    border-color: #28a745;
  }

  .form-message .alert-danger {
    color: #f8d7da;
    background-color: #721c24;
    border-color: #dc3545;
  }

  .form-message .alert-info {
    color: #d1ecf1;
    background-color: #0c5460;
    border-color: #17a2b8;
  }

  .form-message .alert-warning {
    color: #fff3cd;
    background-color: #856404;
    border-color: #ffc107;
  }
}

/* Custom Styles for Specific Themes */
.form-message .alert.modern {
  border-radius: 0.75rem;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1),
    0 2px 4px -1px rgba(0, 0, 0, 0.06);
  border: none;
}

.form-message .alert.minimal {
  background: none;
  border: none;
  border-left: 4px solid;
  border-radius: 0;
  padding-left: 1rem;
}

.form-message .alert.minimal.alert-success {
  border-left-color: #28a745;
  color: #28a745;
}

.form-message .alert.minimal.alert-danger {
  border-left-color: #dc3545;
  color: #dc3545;
}

.form-message .alert.minimal.alert-info {
  border-left-color: #17a2b8;
  color: #17a2b8;
}

/* Close Button for Alerts */
.form-message .alert .alert-close {
  position: absolute;
  top: 0.5rem;
  right: 0.75rem;
  background: none;
  border: none;
  font-size: 1.25rem;
  line-height: 1;
  color: inherit;
  opacity: 0.5;
  cursor: pointer;
  transition: opacity 0.15s ease-in-out;
}

.form-message .alert .alert-close:hover {
  opacity: 0.75;
}

/* Progress Bar for Loading */
.form-message .alert-info.with-progress {
  padding-bottom: 0;
}

.form-message .alert-info .progress-bar {
  position: absolute;
  bottom: 0;
  left: 0;
  height: 3px;
  background-color: #17a2b8;
  border-radius: 0 0 0.5rem 0.5rem;
  animation: progressLoad 2s ease-in-out infinite;
}

@keyframes progressLoad {
  0% {
    width: 0%;
  }
  50% {
    width: 70%;
  }
  100% {
    width: 100%;
  }
}



/* Button Loading States */
.ajax-form button[type="submit"] {
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
  }
  
  .ajax-form button[type="submit"].loading {
    color: transparent !important;
    pointer-events: none;
    cursor: not-allowed;
  }
  
  /* Loading Spinner */
  .ajax-form button[type="submit"].loading::before {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    z-index: 1;
  }
  
  /* Alternative loading with dots */
  .ajax-form button[type="submit"].loading-dots::after {
    content: "Đang xử lý";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: #fff;
    animation: loadingDots 1.5s infinite;
  }
  
  /* Loading with progress bar */
  .ajax-form button[type="submit"].loading-progress {
    background: linear-gradient(90deg, #007bff 0%, #007bff 0%, #6c757d 0%, #6c757d 100%);
    background-size: 200% 100%;
    animation: progressBar 2s ease-in-out infinite;
  }
  
  /* Loading with pulse effect */
  .ajax-form button[type="submit"].loading-pulse {
    animation: pulse 1.5s ease-in-out infinite;
  }
  
  /* Loading with slide effect */
  .ajax-form button[type="submit"].loading-slide::before {
    content: "";
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    animation: slide 1.5s ease-in-out infinite;
  }
  
  /* Keyframe animations */
  @keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
  }
  
  @keyframes loadingDots {
    0%, 20% { content: "Đang xử lý"; }
    40% { content: "Đang xử lý."; }
    60% { content: "Đang xử lý.."; }
    80%, 100% { content: "Đang xử lý..."; }
  }
  
  @keyframes progressBar {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
  }
  
  @keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.05); opacity: 0.8; }
  }
  
  @keyframes slide {
    0% { left: -100%; }
    100% { left: 100%; }
  }
  
  /* Button variants for different loading styles */
  .ajax-form button[type="submit"].btn-loading-spinner.loading::before {
    border-color: rgba(255, 255, 255, 0.3);
    border-top-color: #fff;
  }
  
  .ajax-form button[type="submit"].btn-loading-spinner.loading.btn-primary::before {
    border-color: rgba(255, 255, 255, 0.3);
    border-top-color: #fff;
  }
  
  .ajax-form button[type="submit"].btn-loading-spinner.loading.btn-secondary::before {
    border-color: rgba(108, 117, 125, 0.3);
    border-top-color: #6c757d;
  }
  
  .ajax-form button[type="submit"].btn-loading-spinner.loading.btn-success::before {
    border-color: rgba(255, 255, 255, 0.3);
    border-top-color: #fff;
  }
  
  .ajax-form button[type="submit"].btn-loading-spinner.loading.btn-danger::before {
    border-color: rgba(255, 255, 255, 0.3);
    border-top-color: #fff;
  }
  
  /* Loading text change */
  .ajax-form button[type="submit"].loading .btn-text::before {
    content: "Đang xử lý...";
  }
  
  .ajax-form button[type="submit"] .btn-text {
    transition: opacity 0.3s ease;
  }
  
  .ajax-form button[type="submit"].loading .btn-text {
    opacity: 0;
  }
  
  /* Icon loading animation */
  .ajax-form button[type="submit"].loading .btn-icon {
    animation: spin 1s linear infinite;
  }
  
  /* Disable hover effects when loading */
  .ajax-form button[type="submit"].loading:hover {
    transform: none !important;
    box-shadow: none !important;
  }
  
  /* Loading overlay for complex buttons */
  .ajax-form button[type="submit"].loading-overlay {
    position: relative;
  }
  
  .ajax-form button[type="submit"].loading-overlay.loading::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.1);
    border-radius: inherit;
    z-index: 1;
  }
  
  /* Responsive loading styles */
  @media (max-width: 768px) {
    .ajax-form button[type="submit"].loading::before {
      width: 16px;
      height: 16px;
      margin: -8px 0 0 -8px;
    }
  }
  
  /* Custom loading for specific button styles */
  .btn-btn-primary.secondary.loading {
    background-color: #6c757d !important;
    border-color: #6c757d !important;
  }
  
  .btn-btn-primary.secondary.loading::before {
    border-color: rgba(255, 255, 255, 0.3);
    border-top-color: #fff;
  }
  
  /* Loading state for buttons with icons */
  .ajax-form button[type="submit"].loading .fa,
  .ajax-form button[type="submit"].loading .icon {
    display: none;
  }
  
  .ajax-form button[type="submit"].loading .btn-icon.btn-lined .icon {
    display: none;
  }