/* Centro de notificaciones: componente aislado del encabezado y su historial. */
.notifications-nav {
  position: relative;
  display: flex;
  align-items: center;
}

.notifications-toggle {
  position: relative;
  display: inline-grid;
  place-items: center;
  width: 2.45rem;
  height: 2.45rem;
  padding: 0;
  color: var(--color-text-muted);
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-sm, 6px);
  cursor: pointer;
}

.notifications-toggle:hover,
.notifications-toggle[aria-expanded="true"] {
  color: var(--color-brand-primary);
  background: var(--color-bg-soft);
  border-color: transparent;
}

.notifications-toggle:focus-visible,
.notifications-mark-all:focus-visible,
.notifications-history-link:focus-visible,
.notification-item:focus-visible,
.notification-action:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 2px;
}

.notifications-bell-icon {
  width: 1.25rem;
  height: 1.25rem;
}

.notifications-badge {
  position: absolute;
  top: 0.05rem;
  right: 0.02rem;
  min-width: 1.15rem;
  height: 1.15rem;
  padding: 0 0.35rem;
  color: #ffffff;
  background: var(--color-brand-primary);
  border-radius: 9999px;
  font-size: 0.72rem;
  font-weight: 800;
  line-height: 1;
  text-align: center;
}

.notifications-panel {
  position: absolute;
  z-index: 30;
  top: calc(100% + 0.65rem);
  right: 0;
  width: min(23rem, calc(100vw - 2rem));
  overflow: hidden;
  color: var(--color-text);
  background: var(--color-surface-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md, 8px);
  box-shadow: var(--shadow-md);
}

.notifications-panel::before {
  position: absolute;
  top: -0.42rem;
  right: 0.8rem;
  width: 0.75rem;
  height: 0.75rem;
  background: var(--color-surface-elevated);
  border-top: 1px solid var(--color-border);
  border-left: 1px solid var(--color-border);
  content: "";
  transform: rotate(45deg);
}

.notifications-panel__header,
.notifications-history-link {
  position: relative;
  z-index: 1;
}

.notifications-panel__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-border);
}

.notifications-panel__header h2 {
  margin: 0;
  color: var(--color-heading);
  font-size: var(--text-base);
}

.notifications-mark-all {
  padding: 0;
  color: var(--color-brand-primary);
  background: transparent;
  border: 0;
  cursor: pointer;
  font-size: var(--text-xs);
  text-align: right;
}

.notifications-list {
  max-height: 24rem;
  overflow-y: auto;
}

.notifications-state {
  margin: 0;
  padding: var(--space-5) var(--space-4);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  text-align: center;
}

.notification-item {
  display: grid;
  grid-template-columns: 2rem minmax(0, 1fr);
  gap: var(--space-3);
  width: 100%;
  padding: var(--space-3) var(--space-4);
  color: inherit;
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--color-border);
  text-align: left;
  text-decoration: none;
}

.notification-item:hover,
.notification-item:focus-visible {
  background: var(--color-bg-soft);
}

.notification-item--unread {
  background: var(--color-brand-primary-soft);
}

.notification-item__icon {
  display: grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  flex: 0 0 2rem;
}

.notification-item__icon img,
.notification-item__icon svg {
  display: block;
  width: 2rem;
  height: 2rem;
}

.notification-item__title,
.notification-item__message,
.notification-item__date {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
}

.notification-item__title {
  color: var(--color-heading);
  font-size: var(--text-sm);
  font-weight: 700;
  white-space: nowrap;
}

.notification-item__message {
  margin-top: 0.15rem;
  color: var(--color-text-muted);
  font-size: var(--text-xs);
  line-height: 1.35;
  white-space: nowrap;
}

.notification-item__date {
  margin-top: 0.3rem;
  color: var(--color-text-muted);
  font-size: 0.7rem;
}

.notifications-history-link {
  display: block;
  padding: var(--space-3) var(--space-4);
  color: var(--color-brand-primary);
  font-size: var(--text-sm);
  font-weight: 700;
  text-align: center;
  text-decoration: none;
}

.notifications-history-link:hover {
  background: var(--color-bg-soft);
}

.notifications-page {
  width: min(var(--max-page), calc(100% - 2rem));
  margin: 0 auto var(--space-8);
  padding-top: 2.5rem;
}

.notifications-page__header {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-5);
}

.notifications-page__header h1 {
  margin: 0;
  color: var(--color-heading);
  font-size: var(--text-2xl);
}

.notifications-page__header p {
  max-width: 68ch;
  margin: var(--space-2) 0 0;
  color: var(--color-text-muted);
}

.notifications-page__tools {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.notifications-filter {
  min-width: 10rem;
  padding: 0.6rem 0.75rem;
  color: var(--color-text);
  background: var(--color-surface-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm, 6px);
}

.notifications-history-list {
  display: grid;
  gap: var(--space-3);
}

.notifications-history-list .notification-item {
  grid-template-columns: 2.5rem minmax(0, 1fr) auto;
  align-items: start;
  background: var(--color-surface-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md, 8px);
}

.notification-action {
  align-self: center;
  padding: 0.4rem 0.65rem;
  color: var(--color-brand-primary);
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm, 6px);
  cursor: pointer;
  font-size: var(--text-xs);
}

.notifications-pagination {
  display: flex;
  justify-content: center;
  gap: var(--space-3);
  margin-top: var(--space-5);
}

.notifications-pagination button {
  padding: 0.5rem 0.8rem;
  color: var(--color-text);
  background: var(--color-surface-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm, 6px);
  cursor: pointer;
}

.notifications-pagination button:disabled {
  cursor: not-allowed;
  opacity: 0.45;
}

@media (max-width: 768px) {
  .notifications-panel {
    position: fixed;
    top: 4.5rem;
    right: 1rem;
    left: 1rem;
    width: auto;
  }

  .notifications-page__header {
    display: block;
  }

  .notifications-page__header h1 {
    font-size: var(--text-xl);
  }

  .notifications-page__tools {
    align-items: stretch;
    flex-direction: column;
  }

  .notifications-filter,
  .notifications-page__tools .btn {
    width: 100%;
  }

  .notifications-history-list .notification-item {
    grid-template-columns: 2rem minmax(0, 1fr);
  }

  .notifications-history-list .notification-action {
    grid-column: 2;
    justify-self: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .notifications-panel,
  .notification-item,
  .notifications-toggle {
    transition: none;
  }
}