/* Notification Badge in Sidebar */
.notification-item {
  position: relative;
}

.notification-icon-wrapper {
  position: relative;
  display: inline-block;
}

.notification-badge {
  position: absolute;
  top: -4px;
  right: -8px;
  background: var(--color-error);
  color: white;
  border-radius: 10px;
  padding: 2px 6px;
  font-size: 10px;
  font-weight: bold;
  min-width: 18px;
  text-align: center;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
  100% {
    transform: scale(1);
  }
}

/* Notification Center Modal */
.notification-center {
  max-width: 500px;
  width: 100%;
  max-height: 600px;
  display: flex;
  flex-direction: column;
}

.notification-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px;
  border-bottom: 1px solid var(--color-border);
}

.notification-header h2 {
  margin: 0;
  color: var(--color-text);
  font-size: 24px;
}

.notification-actions {
  display: flex;
  gap: 8px;
}

.mark-all-read-btn,
.clear-all-btn {
  padding: 6px 12px;
  font-size: 12px;
  border: 1px solid var(--color-border);
  background: transparent;
  color: var(--color-text-secondary);
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.2s;
}

.mark-all-read-btn:hover,
.clear-all-btn:hover {
  background: var(--color-surface);
  color: var(--color-text);
  border-color: var(--color-primary);
}

/* Notification Filters */
.notification-filters {
  display: flex;
  gap: 8px;
  padding: 12px 20px;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}

.filter-btn {
  padding: 8px 16px;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: 20px;
  color: var(--color-text-secondary);
  cursor: pointer;
  font-size: 14px;
  transition: all 0.2s;
}

.filter-btn:hover {
  background: var(--color-background);
  color: var(--color-text);
}

.filter-btn.active {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}

/* Notification List */
.notification-list {
  flex: 1;
  overflow-y: auto;
  background: var(--color-background);
}

.no-notifications {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 20px;
  text-align: center;
}

.no-notifications p {
  margin: 16px 0 0 0;
  color: var(--color-text-muted);
  font-size: 16px;
}

/* Notification Item */
.notification-item {
  display: flex;
  align-items: flex-start;
  padding: 16px 20px;
  border-bottom: 1px solid var(--color-border-light);
  cursor: pointer;
  transition: background 0.2s;
  position: relative;
}

.notification-item:hover {
  background: var(--color-surface);
}

.notification-item.unread {
  background: var(--color-surface);
}

.notification-icon {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-background);
  border-radius: 50%;
  margin-right: 12px;
}

.notification-content {
  flex: 1;
  min-width: 0;
}

.notification-user {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.notification-text {
  flex: 1;
  min-width: 0;
}

.notification-text p {
  margin: 0;
  color: var(--color-text);
  font-size: 14px;
  line-height: 1.4;
}

.notification-item.unread .notification-text p {
  font-weight: 500;
}

.notification-time {
  display: block;
  margin-top: 4px;
  color: var(--color-text-muted);
  font-size: 12px;
}

.unread-indicator {
  position: absolute;
  left: 8px;
  top: 50%;
  transform: translateY(-50%);
  width: 8px;
  height: 8px;
  background: var(--color-primary);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

/* Scrollbar Styling */
.notification-list::-webkit-scrollbar {
  width: 8px;
}

.notification-list::-webkit-scrollbar-track {
  background: var(--color-background);
}

.notification-list::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: 4px;
}

.notification-list::-webkit-scrollbar-thumb:hover {
  background: var(--color-text-muted);
}

/* Mobile Responsive */
@media (max-width: 600px) {
  .notification-center {
    max-width: 100%;
    max-height: 90vh;
  }

  .notification-header {
    padding: 16px;
  }

  .notification-header h2 {
    font-size: 20px;
  }

  .notification-actions {
    flex-direction: column;
    gap: 4px;
  }

  .mark-all-read-btn,
  .clear-all-btn {
    padding: 4px 8px;
    font-size: 11px;
  }

  .notification-item {
    padding: 12px 16px;
  }
}