/* ==========================================================================
   ALERTS
   Modern alert component styles using design tokens
   ========================================================================== */

/* ====================
   BASE ALERT
   ==================== */

.alert {
  position: relative;
  padding: var(--padding-md) var(--padding-lg);
  margin-bottom: var(--space-5);
  border: var(--border-width-thin) solid transparent;
  border-radius: var(--radius-md);
  font-size: var(--text-md);
  line-height: var(--leading-normal);
}

.alert-heading {
  margin: 0 0 var(--space-2) 0;
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
}

.alert p:last-child {
  margin-bottom: 0;
}

/* ====================
   ALERT WITH ICON
   ==================== */

.alert-icon {
  display: flex;
  gap: var(--gap-md);
  align-items: flex-start;
}

.alert-icon-content {
  flex: 1;
}

.alert-icon i,
.alert-icon svg {
  flex-shrink: 0;
  font-size: var(--text-xl);
}

/* ====================
   ALERT VARIANTS
   ==================== */

.alert-primary {
  background-color: var(--color-primary-100);
  border-color: var(--color-primary-300);
  color: var(--color-primary-900);
}

.alert-primary .alert-heading {
  color: var(--color-primary-900);
}

.alert-success {
  background-color: var(--color-success-100);
  border-color: var(--color-success-500);
  color: var(--color-success-600);
}

.alert-success .alert-heading {
  color: var(--color-success-600);
}

.alert-warning {
  background-color: var(--color-warning-100);
  border-color: var(--color-warning-500);
  color: var(--color-warning-600);
}

.alert-warning .alert-heading {
  color: var(--color-warning-600);
}

.alert-danger,
.alert-error {
  background-color: var(--color-error-100);
  border-color: var(--color-error-500);
  color: var(--color-error-600);
}

.alert-danger .alert-heading,
.alert-error .alert-heading {
  color: var(--color-error-600);
}

.alert-info {
  background-color: var(--color-info-100);
  border-color: var(--color-info-500);
  color: var(--color-info-600);
}

.alert-info .alert-heading {
  color: var(--color-info-600);
}

.alert-light {
  background-color: var(--color-neutral-50);
  border-color: var(--color-neutral-200);
  color: var(--color-neutral-700);
}

.alert-dark {
  background-color: var(--color-neutral-800);
  border-color: var(--color-neutral-900);
  color: var(--color-neutral-0);
}

/* ====================
   DISMISSIBLE ALERT
   ==================== */

.alert-dismissible {
  padding-right: 3rem;
}

.alert-dismissible .btn-close {
  position: absolute;
  top: 0;
  right: 0;
  padding: var(--padding-md) var(--padding-lg);
  background: transparent;
  border: none;
  font-size: var(--text-xl);
  line-height: 1;
  cursor: pointer;
  opacity: 0.5;
  transition: opacity var(--duration-fast);
}

.alert-dismissible .btn-close:hover {
  opacity: 1;
}

.alert-dismissible .btn-close::before {
  content: "×";
}

/* ====================
   ALERT ACTIONS
   ==================== */

.alert-actions {
  display: flex;
  gap: var(--gap-sm);
  margin-top: var(--space-3);
}

/* ====================
   TOAST NOTIFICATIONS
   ==================== */

.toast-container {
  position: fixed;
  z-index: var(--z-toast);
  pointer-events: none;
}

.toast-container-top-right {
  top: var(--space-4);
  right: var(--space-4);
}

.toast-container-top-left {
  top: var(--space-4);
  left: var(--space-4);
}

.toast-container-bottom-right {
  bottom: var(--space-4);
  right: var(--space-4);
}

.toast-container-bottom-left {
  bottom: var(--space-4);
  left: var(--space-4);
}

.toast {
  position: relative;
  width: 350px;
  max-width: calc(100vw - 2rem);
  margin-bottom: var(--space-3);
  padding: var(--padding-md) var(--padding-lg);
  background-color: var(--bg-surface);
  border: var(--border-width-thin) solid var(--border-default);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  pointer-events: auto;
  animation: toast-slide-in var(--duration-normal) var(--ease-out);
}

@keyframes toast-slide-in {
  from {
    opacity: 0;
    transform: translateX(100%);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.toast.toast-removing {
  animation: toast-slide-out var(--duration-normal) var(--ease-in);
}

@keyframes toast-slide-out {
  from {
    opacity: 1;
    transform: translateX(0);
  }
  to {
    opacity: 0;
    transform: translateX(100%);
  }
}