:host {
  display: block;
}

.kb-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: var(--kb-toolbar-padding);
  background: var(--kb-glass-bg);
  backdrop-filter: blur(var(--kb-glass-blur));
  -webkit-backdrop-filter: blur(var(--kb-glass-blur));
  border: 1px solid var(--kb-glass-border);
  border-bottom: 1px solid var(--kb-toolbar-border);
  border-radius: var(--kb-column-radius) var(--kb-column-radius) 0 0;
}

.kb-toolbar__search {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex: 1;
  max-width: 320px;
  padding: 0.375rem 0.75rem;
  background: var(--kb-bg);
  border: 1px solid var(--kb-toolbar-border);
  border-radius: 999px;
  transition: border-color 200ms var(--kb-ease-smooth), box-shadow 200ms var(--kb-ease-smooth);

  &:focus-within {
    border-color: var(--kb-drop-zone-border);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
  }
}

.kb-toolbar__search-icon {
  display: inline-flex;
  color: var(--kb-card-meta-color);
  flex-shrink: 0;

  svg {
    width: 0.875rem;
    height: 0.875rem;
  }
}

.kb-toolbar__search-input {
  flex: 1;
  border: none;
  background: transparent;
  color: var(--kb-card-title-color);
  font-size: var(--font-size-sm, 0.875rem);
  outline: none;

  &::placeholder {
    color: var(--kb-quick-add-text);
  }
}

.kb-toolbar__actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.kb-toolbar__btn {
  padding: 0.375rem 0.875rem;
  border: 1px solid var(--kb-toolbar-border);
  border-radius: 999px;
  background: transparent;
  color: var(--kb-card-desc-color);
  font-size: var(--font-size-sm, 0.875rem);
  cursor: pointer;
  transition: all 200ms var(--kb-ease-smooth);

  &:hover {
    background: var(--kb-quick-add-hover-bg);
    color: var(--kb-card-title-color);
  }

  &--active {
    background: var(--color-primary-50, #eff6ff);
    color: var(--color-primary-500, #3b82f6);
    border-color: var(--color-primary-500, #3b82f6);
  }
}

.kb-toolbar__btn-icon {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;

  svg {
    width: 0.875rem;
    height: 0.875rem;
  }
}

.kb-toolbar__sort {
  position: relative;
}

.kb-toolbar__sort-menu {
  position: absolute;
  top: calc(100% + 0.375rem);
  right: 0;
  z-index: 10;
  min-width: 180px;
  background: var(--kb-card-bg);
  border: 1px solid var(--kb-card-border);
  border-radius: var(--kb-card-radius);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12), 0 2px 8px rgba(0, 0, 0, 0.06);
  overflow: hidden;
  animation: kb-slide-down 150ms var(--kb-ease-spring);
}

@keyframes kb-slide-down {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.kb-toolbar__sort-option {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 0.5rem 0.75rem;
  border: none;
  background: transparent;
  color: var(--kb-card-title-color);
  font-size: var(--font-size-sm, 0.875rem);
  cursor: pointer;
  text-align: left;
  transition: background var(--kb-transition);

  &:hover {
    background: var(--kb-quick-add-hover-bg);
  }

  &--active {
    color: var(--color-primary-500, #3b82f6);
    font-weight: 500;
  }
}

.kb-toolbar__sort-dir {
  display: inline-flex;

  svg {
    width: 0.625rem;
    height: 0.625rem;
  }
}

.kb-toolbar__filter-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.25rem;
  height: 1.25rem;
  padding: 0 0.25rem;
  border-radius: 999px;
  background: var(--color-primary-500, #3b82f6);
  color: #fff;
  font-size: 0.625rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}