/* ================================
   NOTIFICATION & LOADER STYLES
   ================================ */

/* Global Loader */
.global-loader {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}

.global-loader.active {
  opacity: 1;
  pointer-events: auto;
}

.loader-spinner {
  width: 50px;
  height: 50px;
  border: 4px solid rgba(255, 255, 255, 0.3);
  border-top: 4px solid var(--white);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

/* Notifications */
.notification {
  position: fixed;
  top: 20px;
  right: 20px;
  max-width: 400px;
  padding: 16px 20px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  animation: slideInDown var(--transition);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-md);
}

.notification-content {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  flex: 1;
}

.notification-close {
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  opacity: 0.7;
  transition: opacity var(--transition-fast);
  padding: 0;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.notification-close:hover {
  opacity: 1;
}

.notification-info {
  background-color: var(--secondary-light);
  color: #0369a1;
}

.notification-success {
  background-color: #dcfce7;
  color: #166534;
}

.notification-error {
  background-color: #fee2e2;
  color: #991b1b;
}

.notification-warning {
  background-color: #fef3c7;
  color: #b45309;
}

/* Skeleton Loading */
.skeleton {
  background: linear-gradient(
    90deg,
    var(--gray-200) 0%,
    var(--gray-100) 50%,
    var(--gray-200) 100%
  );
  background-size: 200% 100%;
  animation: loading 1.5s infinite;
  border-radius: var(--radius-md);
}

@keyframes loading {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}

.skeleton-text {
  height: 16px;
  margin-bottom: 8px;
}

.skeleton-text.large {
  height: 24px;
}

.skeleton-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
}

/* Modal */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}

.modal.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-content {
  background-color: var(--white);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  max-width: 500px;
  width: 90%;
  box-shadow: var(--shadow-xl);
  animation: slideInUp var(--transition);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-lg);
}

.modal-close {
  background: none;
  border: none;
  font-size: 28px;
  cursor: pointer;
  color: var(--gray-500);
  transition: color var(--transition-fast);
  padding: 0;
}

.modal-close:hover {
  color: var(--dark);
}

/* Toast Messages */
.toast {
  position: fixed;
  bottom: 20px;
  right: 20px;
  padding: 16px 20px;
  background-color: var(--dark);
  color: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  animation: slideInUp var(--transition);
  z-index: 10000;
  max-width: 400px;
}

.toast.success {
  background-color: var(--success);
}

.toast.error {
  background-color: var(--error);
}

.toast.warning {
  background-color: var(--warning);
}

/* Responsive */
@media (max-width: 480px) {
  .notification {
    top: 10px;
    right: 10px;
    left: 10px;
    max-width: 100%;
  }
  
  .modal-content {
    max-width: 100%;
    width: 95%;
    padding: var(--spacing-lg);
  }
}