.notification-dropdown { position: relative; }
.notification-overlay { position: fixed; inset: 0; z-index: 1090; }
.notification-icon-button {
  position: relative;
  border: 1px solid var(--ib-outline-light);
  background: var(--ib-surface-card);
  border-radius: var(--ib-radius-sm);
  width: 40px;
  height: 40px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ib-on-surface-muted);
  transition: all var(--ib-transition);
}
.notification-icon-button:hover { background: var(--ib-surface-hover); border-color: var(--ib-outline); color: var(--ib-on-surface); }
.notification-icon { font-size: 18px; }
.notification-badge {
  position: absolute; top: -4px; right: -4px;
  background: var(--ib-error); color: #fff;
  border-radius: var(--ib-radius-full);
  font-size: 10px; font-weight: 700;
  min-width: 18px; height: 18px;
  display: inline-flex; align-items: center; justify-content: center;
  padding: 0 4px;
  border: 2px solid var(--ib-surface-card);
}
.notification-dropdown-content {
  position: absolute; right: 0; top: calc(100% + 8px);
  width: 360px; max-height: 480px; overflow: auto;
  background: var(--ib-surface-card);
  border: 1px solid var(--ib-outline-light);
  border-radius: var(--ib-radius);
  box-shadow: var(--ib-shadow-lg);
  z-index: 1100;
}
.notification-dropdown-header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 14px 16px; border-bottom: 1px solid var(--ib-outline-light);
  position: sticky; top: 0; background: var(--ib-surface-card);
}
.notification-dropdown-header h3 { margin: 0; font-size: var(--ib-text-md); font-weight: 700; color: var(--ib-on-surface); }
.notification-header-actions { display: flex; align-items: center; gap: 10px; }
.mark-all-read-button { border: 0; background: transparent; color: var(--ib-primary); cursor: pointer; font-size: var(--ib-text-xs); font-weight: 600; }
.mark-all-read-button:hover { text-decoration: underline; }
.notification-loading, .notification-empty { padding: 24px; color: var(--ib-on-surface-muted); text-align: center; font-size: var(--ib-text-sm); }
.notification-list { display: flex; flex-direction: column; }
.notification-item {
  display: flex; gap: 10px; padding: 12px 16px;
  cursor: pointer; border-bottom: 1px solid var(--ib-outline-light);
  transition: background var(--ib-transition);
}
.notification-item:hover { background: var(--ib-surface-hover); }
.notification-item.unread { background: var(--ib-primary-light); }
.notification-item.priority-urgent { border-left: 3px solid var(--ib-error); }
.notification-item.priority-high { border-left: 3px solid var(--ib-warning); }
.notification-item.priority-normal { border-left: 3px solid var(--ib-info); }
.notification-item.priority-low { border-left: 3px solid var(--ib-on-surface-subtle); }
.notification-content { flex: 1; min-width: 0; }
.notification-title { font-weight: 600; font-size: var(--ib-text-sm); margin-bottom: 2px; color: var(--ib-on-surface); }
.notification-message { font-size: var(--ib-text-xs); color: var(--ib-on-surface-muted); margin-bottom: 4px; line-height: 1.4; }
.notification-meta { display: flex; gap: 8px; font-size: 11px; color: var(--ib-on-surface-subtle); }
.notification-unread-indicator { width: 8px; height: 8px; border-radius: 50%; background: var(--ib-primary); align-self: center; flex-shrink: 0; }
.notification-delete-button { border: 0; background: transparent; color: var(--ib-on-surface-subtle); cursor: pointer; font-size: 16px; line-height: 1; padding: 2px 4px; align-self: flex-start; transition: color var(--ib-transition); }
.notification-delete-button:hover { color: var(--ib-error); }

@media (max-width: 480px) {
  /* Keep the panel inside small phone viewports */
  .notification-dropdown-content {
    position: fixed;
    left: 12px;
    right: 12px;
    top: calc(var(--ib-topbar-h) + 8px);
    width: auto;
    max-height: calc(100dvh - var(--ib-topbar-h) - 24px);
  }
}