/* Modal CSS - 2025 Design System */
/* Works with existing modal systems */

/* Modal Backdrop */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(8px);
  z-index: var(--z-modal);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-smooth);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-4);
}

.modal-backdrop.active {
  opacity: 1;
  visibility: visible;
}

/* Modal Container */
.modal {
  background: var(--surface-primary);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-2xl);
  border: 1px solid var(--border-primary);
  width: 100%;
  max-width: 600px;
  max-height: 90vh;
  transform: scale(0.9) translateY(20px);
  transition: all var(--transition-smooth);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.modal-backdrop.active .modal {
  transform: scale(1) translateY(0);
}

/* Direct modal styling for library-generated modals */
.modal[style*="display: block"] {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  max-width: none;
  max-height: none;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(8px);
  z-index: var(--z-modal);
  display: flex !important;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-4);
  border: none;
  border-radius: 0;
  box-shadow: none;
  transform: none;
}

.modal[style*="display: block"] .modal-content {
  background: var(--surface-primary);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-2xl);
  border: 1px solid var(--border-primary);
  width: 100%;
  max-width: 1200px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transform: scale(1) translateY(0);
  animation: modalSlideIn var(--transition-smooth) ease-out;
}

/* Modal Header */
.modal-header {
  padding: var(--spacing-6) var(--spacing-6) var(--spacing-4);
  border-bottom: 1px solid var(--border-secondary);
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--spacing-4);
  background: linear-gradient(135deg, var(--primary-50), var(--primary-25));
  position: relative;
}

.modal-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
  margin: 0;
  line-height: var(--line-height-tight);
  flex: 1;
}

.modal-subtitle {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  margin: var(--spacing-1) 0 0 0;
  font-weight: var(--font-weight-normal);
}

.modal-close {
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: var(--spacing-2);
  border-radius: var(--radius-md);
  font-size: var(--font-size-xl);
  line-height: 1;
  transition: all var(--transition-smooth);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
}

.modal-close:hover {
  background: var(--error-100);
  color: var(--error-600);
  transform: scale(1.1);
}

.modal-close:focus {
  outline: 2px solid var(--primary-500);
  outline-offset: 2px;
}

/* Modal Body */
.modal-body {
  padding: var(--spacing-6);
  overflow-y: auto;
  flex: 1;
  min-height: 0;
}

.modal-body::-webkit-scrollbar {
  width: 6px;
}

.modal-body::-webkit-scrollbar-track {
  background: var(--surface-tertiary);
  border-radius: var(--radius-full);
}

.modal-body::-webkit-scrollbar-thumb {
  background: var(--border-secondary);
  border-radius: var(--radius-full);
}

.modal-body::-webkit-scrollbar-thumb:hover {
  background: var(--border-primary);
}

/* Modal Footer */
.modal-footer {
  padding: var(--spacing-4) var(--spacing-6) var(--spacing-6);
  border-top: 1px solid var(--border-secondary);
  display: flex;
  justify-content: flex-end;
  gap: var(--spacing-3);
  background: var(--surface-secondary);
  flex-shrink: 0;
}

.modal-footer.centered {
  justify-content: center;
}

.modal-footer.space-between {
  justify-content: space-between;
}

/* Modal Sizes */
.modal-sm { max-width: 400px; }
.modal-md { max-width: 600px; }
.modal-lg { max-width: 800px; }
.modal-xl { max-width: 1000px; }
.modal-full { max-width: 95vw; max-height: 95vh; }

/* Modal Types */
.modal-success .modal-header { background: linear-gradient(135deg, var(--success-50), var(--success-25)); }
.modal-warning .modal-header { background: linear-gradient(135deg, var(--warning-50), var(--warning-25)); }
.modal-error .modal-header { background: linear-gradient(135deg, var(--error-50), var(--error-25)); }
.modal-info .modal-header { background: linear-gradient(135deg, var(--info-50), var(--info-25)); }

/* Modal Content Types */
.modal-form .modal-body {
  padding: var(--spacing-4) var(--spacing-6);
}

.modal-loading {
  text-align: center;
  padding: var(--spacing-12) var(--spacing-6);
}

.modal-loading .loading-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border-tertiary);
  border-top-color: var(--primary-500);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto var(--spacing-4);
}

.modal-confirmation {
  text-align: center;
}

.modal-confirmation .modal-body {
  padding: var(--spacing-8) var(--spacing-6);
}

.modal-confirmation .confirmation-icon {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--spacing-4);
}

.modal-confirmation.danger .confirmation-icon { color: var(--error-500); }
.modal-confirmation.warning .confirmation-icon { color: var(--warning-500); }
.modal-confirmation.success .confirmation-icon { color: var(--success-500); }
.modal-confirmation.info .confirmation-icon { color: var(--info-500); }

/* Modal Animations */
@keyframes modalSlideIn {
  from {
    opacity: 0;
    transform: translateY(50px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes modalSlideOut {
  from {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
  to {
    opacity: 0;
    transform: translateY(50px) scale(0.95);
  }
}

.modal.slide-in {
  animation: modalSlideIn var(--transition-smooth) ease-out;
}

.modal.slide-out {
  animation: modalSlideOut var(--transition-smooth) ease-in;
}

/* Responsive Design */
@media (max-width: 768px) {
  .modal-backdrop {
    padding: var(--spacing-2);
  }
  
  .modal {
    max-width: 100%;
    max-height: 95vh;
    margin: 0;
  }
  
  .modal-header {
    padding: var(--spacing-4);
  }
  
  .modal-body {
    padding: var(--spacing-4);
  }
  
  .modal-footer {
    padding: var(--spacing-3) var(--spacing-4) var(--spacing-4);
    flex-direction: column;
    gap: var(--spacing-2);
  }
  
  .modal-footer .btn {
    width: 100%;
    justify-content: center;
  }
  
  .modal-sm,
  .modal-md,
  .modal-lg,
  .modal-xl {
    max-width: 100%;
  }
}

@media (max-width: 480px) {
  .modal-backdrop {
    padding: var(--spacing-1);
  }
  
  .modal {
    border-radius: var(--radius-lg);
  }
  
  .modal-header {
    padding: var(--spacing-3);
  }
  
  .modal-body {
    padding: var(--spacing-3);
  }
  
  .modal-footer {
    padding: var(--spacing-2) var(--spacing-3) var(--spacing-3);
  }
  
  .modal-title {
    font-size: var(--font-size-lg);
  }
}

/* Modal Stack Management */
.modal-backdrop:nth-of-type(2) { z-index: calc(var(--z-modal) + 1); }
.modal-backdrop:nth-of-type(3) { z-index: calc(var(--z-modal) + 2); }
.modal-backdrop:nth-of-type(4) { z-index: calc(var(--z-modal) + 3); }

.modal-backdrop.stacked .modal {
  transform: scale(0.95);
}

.modal-backdrop.stacked.active .modal {
  transform: scale(0.95);
}

/* Focus Management */
.modal-backdrop.active {
  outline: none;
}

.modal:focus {
  outline: none;
}

.modal .btn:focus,
.modal input:focus,
.modal textarea:focus,
.modal select:focus {
  outline: 2px solid var(--primary-500);
  outline-offset: 2px;
}

/* Dark Mode Overrides */
[data-theme="dark"] .modal-backdrop {
  background: rgba(0, 0, 0, 0.8);
}

[data-theme="dark"] .modal {
  background: var(--surface-primary);
  border-color: var(--border-primary);
}

[data-theme="dark"] .modal-header {
  background: linear-gradient(135deg, var(--primary-900), var(--primary-800));
  border-bottom-color: var(--border-primary);
}

[data-theme="dark"] .modal-footer {
  background: var(--surface-secondary);
  border-top-color: var(--border-primary);
}

[data-theme="dark"] .modal-close:hover {
  background: var(--error-900);
  color: var(--error-400);
}

[data-theme="dark"] .modal-success .modal-header {
  background: linear-gradient(135deg, var(--success-900), var(--success-800));
}

[data-theme="dark"] .modal-warning .modal-header {
  background: linear-gradient(135deg, var(--warning-900), var(--warning-800));
}

[data-theme="dark"] .modal-error .modal-header {
  background: linear-gradient(135deg, var(--error-900), var(--error-800));
}

[data-theme="dark"] .modal-info .modal-header {
  background: linear-gradient(135deg, var(--info-900), var(--info-800));
}

/* Accessibility */
.modal[aria-hidden="true"] {
  display: none;
}

.modal[aria-hidden="false"] {
  display: flex;
}

.modal-backdrop[aria-modal="true"] {
  isolation: isolate;
}

/* Print Styles */
@media print {
  .modal-backdrop {
    position: static !important;
    background: none !important;
    backdrop-filter: none !important;
    page-break-inside: avoid;
  }
  
  .modal {
    box-shadow: none !important;
    border: 1px solid var(--border-primary) !important;
    transform: none !important;
    max-height: none !important;
    page-break-inside: avoid;
  }
  
  .modal-close {
    display: none !important;
  }
}