neuron/packages/ui/src/v2/components/select-v2.css

@import "./menu-v2.css";

/* Above modal dialogs (z-index 50); matches legacy select-content. */
[data-popper-positioner]:has([data-slot="select-v2-content"]) {
  z-index: 60;
}

/* Dropdown surface (Type=menu) — overrides shared menu-v2 defaults for selects only. */
[data-component="menu-v2-content"][data-slot="select-v2-content"] {
  padding: 0;
  min-width: 160px;
  max-width: 23rem;
  overflow: hidden;
  z-index: 60;
  pointer-events: auto;
  background: var(--v2-background-bg-layer-01);
  border-radius: 6px;
  box-shadow: var(--v2-elevation-floating);
  transform-origin: top center;
  animation: select-v2-content-in 120ms ease-out;
}

[data-component="menu-v2-content"][data-slot="select-v2-content"][data-closed] {
  animation: select-v2-content-out 80ms ease-in forwards;
}

@keyframes select-v2-content-in {
  from {
    opacity: 0;
    transform: translateY(-2px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes select-v2-content-out {
  from {
    opacity: 1;
    transform: translateY(0);
  }
  to {
    opacity: 0;
    transform: translateY(-2px);
  }
}

/* Trigger shell — aligned with text-input-v2 */
[data-component="select-v2"] {
  box-sizing: border-box;
  display: flex;
  flex-direction: row;
  align-items: stretch;
  padding: 0 6px 0 0;
  gap: 8px;
  width: 280px;
  height: 28px;
  border: 0;
  border-radius: 6px;
  outline: 1px solid transparent;
  outline-offset: 0;
  background:
    linear-gradient(180deg, var(--v2-alpha-light-2) 0%, var(--v2-alpha-light-0) 100%), var(--v2-background-bg-base);
  box-shadow: var(--v2-elevation-button-neutral);
  flex: none;
  align-self: stretch;
  transition:
    background 85ms ease-out,
    outline-color 85ms ease-out,
    box-shadow 85ms ease-out;
}

[data-component="select-v2"][data-appearance="large"] {
  height: 32px;
  padding: 0 8px 0 0;
}

[data-component="select-v2"]:where(:hover):not([data-disabled], [data-invalid]):not(:focus-within):not(
    [data-expanded]
  ) {
  background:
    linear-gradient(0deg, var(--v2-overlay-simple-overlay-hover), var(--v2-overlay-simple-overlay-hover)),
    linear-gradient(180deg, var(--v2-alpha-light-2) 0%, var(--v2-alpha-light-0) 100%), var(--v2-background-bg-base);
}

[data-component="select-v2"]:where([data-expanded]):not([data-disabled], [data-invalid]) {
  background:
    linear-gradient(0deg, var(--v2-overlay-simple-overlay-hover), var(--v2-overlay-simple-overlay-hover)),
    linear-gradient(180deg, var(--v2-alpha-light-2) 0%, var(--v2-alpha-light-0) 100%), var(--v2-background-bg-base);
  outline-color: transparent;
}

[data-component="select-v2"]:where(:focus-within):not([data-disabled], [data-invalid]):not([data-expanded]) {
  outline-color: var(--v2-border-border-focus);
  box-shadow: none;
}

[data-component="select-v2"]:where([data-invalid]):not([data-disabled]) {
  outline-color: var(--v2-state-fg-danger);
  box-shadow: none;
}

[data-component="select-v2"]:where([data-disabled]) {
  opacity: 0.5;
  cursor: not-allowed;
}

[data-component="select-v2"] [data-slot="select-v2-value"] {
  display: flex;
  flex-direction: row;
  align-items: center;
  align-self: stretch;
  padding: 0;
  min-width: 0;
  flex: 1 1 auto;
  min-height: 0;
  cursor: default;
}

[data-component="select-v2"] [data-slot="select-v2-value-text"] {
  display: block;
  width: 100%;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  padding: 0 0 0 8px;
  margin: 0;
  border: 0;
  background: transparent;
  outline: none;
  text-align: left;
  font-style: normal;
  font-weight: 440;
  font-size: 13px;
  line-height: 1;
  letter-spacing: -0.04px;
  color: var(--v2-text-text-base);
  font-variation-settings: "slnt" 0;
  cursor: default;
}

[data-component="select-v2"] [data-slot="select-v2-value-text"][data-placeholder-shown] {
  color: var(--v2-text-text-faint);
}

[data-component="select-v2"][data-numeric] [data-slot="select-v2-value-text"] {
  font-variant-numeric: tabular-nums;
}

[data-component="select-v2"]:where([data-invalid]):not([data-disabled]) [data-slot="select-v2-value-text"] {
  color: var(--v2-state-fg-danger);
}

[data-component="select-v2"] [data-slot="select-v2-chevron"] {
  display: flex;
  flex-direction: row;
  justify-content: center;
  align-items: center;
  align-self: center;
  flex: none;
  width: 20px;
  height: 20px;
  padding: 2px;
  gap: 3px;
  border: 0;
  border-radius: 4px;
  background: transparent;
  color: var(--v2-icon-icon-muted);
  pointer-events: none;
}

[data-component="select-v2"] [data-slot="select-v2-chevron"] svg {
  display: block;
  flex: none;
  transform: rotate(180deg);
  transform-origin: 50% 50%;
}

[data-component="select-v2"][data-expanded] [data-slot="select-v2-chevron"] svg {
  transform: rotate(0deg);
}

/* Compact trigger for settings rows and similar inline contexts. */
[data-component="select-v2"][data-appearance="inline"] {
  width: fit-content;
  max-width: 100%;
  height: 24px;
  padding: 4px 4px 4px 8px;
  gap: 4px;
  border-radius: 4px;
  background: transparent;
  box-shadow: none;
  outline: none;
  align-self: auto;
}

[data-component="select-v2"][data-appearance="inline"]:where(:hover):not([data-disabled], [data-invalid]):not(
    :focus-within
  ):not([data-expanded]) {
  background: var(--v2-overlay-simple-overlay-hover);
}

[data-component="select-v2"][data-appearance="inline"]:where([data-expanded]):not([data-disabled], [data-invalid]) {
  background: var(--v2-overlay-simple-overlay-hover);
  outline: none;
  box-shadow: none;
}

[data-component="select-v2"][data-appearance="inline"]:where(:active):not([data-disabled], [data-invalid]):not(
    [data-expanded]
  ) {
  background: var(--v2-overlay-simple-overlay-pressed);
}

[data-component="select-v2"][data-appearance="inline"] [data-slot="select-v2-value-text"] {
  padding: 0;
  font-weight: 530;
}

[data-component="select-v2"][data-appearance="inline"] [data-slot="select-v2-chevron"] {
  width: 16px;
  height: 16px;
  padding: 0;
}

/* Listbox inside menu surface */
[data-component="menu-v2-content"][data-slot="select-v2-content"] [data-slot="select-v2-listbox"] {
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  margin: 0;
  padding: 4px;
  list-style: none;
  min-width: 0;
  width: 100%;
  max-height: 12rem;
  overflow-x: hidden;
  overflow-y: auto;
  outline: none;
  white-space: nowrap;

  &:focus {
    outline: none;
  }

  > *:not([role="presentation"]) + *:not([role="presentation"]) {
    margin-top: 2px;
  }
}

[data-slot="select-v2-listbox"] [data-component="menu-v2-item"],
[data-slot="select-v2-listbox"] [data-slot="menu-v2-group-label"] {
  flex: none;
}

[data-slot="select-v2-listbox"] [data-component="menu-v2-item"] {
  --menu-v2-fg: var(--v2-text-text-base);
  --menu-v2-fg-muted: var(--v2-text-text-faint);
  --menu-v2-fg-subtle: var(--v2-text-text-muted);
  --menu-v2-icon: var(--v2-icon-icon-base);
  --menu-v2-accent: var(--v2-text-text-accent);
  --menu-v2-badge-bg: var(--v2-background-bg-layer-02);
  --menu-v2-badge-border: var(--v2-border-border-base);
  --menu-v2-hover: var(--v2-overlay-simple-overlay-hover);
}

/* Listbox uses data-selected; menu item CSS uses data-checked — mirror accent */
[data-slot="select-v2-listbox"] [data-component="menu-v2-item"][data-selected] [data-slot="menu-v2-item-content"] {
  font-weight: 530;
  color: var(--menu-v2-accent);
}

[data-slot="select-v2-listbox"] [data-component="menu-v2-item"][data-selected] [data-slot="menu-v2-item-indicator"] {
  color: var(--menu-v2-accent);
}

[data-slot="select-v2-listbox"]
  [data-component="menu-v2-item"]:not([data-selected])
  [data-slot="menu-v2-item-indicator"]
  svg {
  visibility: hidden;
}