486 lines
12 KiB
Svelte
486 lines
12 KiB
Svelte
<svelte:options runes={true} />
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<script lang="ts" generics="T extends string | number">
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import type { Snippet } from 'svelte'
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import { Select as SelectPrimitive } from 'bits-ui'
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import { Label } from 'bits-ui'
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import Icon from '../Icon.svelte'
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interface Option {
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value: T
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label: string
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disabled?: boolean
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image?: string
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/** CSS color for a colored dot indicator */
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color?: string
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/** Optional suffix text displayed in muted style */
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suffix?: string
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/** Display label in muted/tertiary color */
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muted?: boolean
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}
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interface Props {
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options: Option[]
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value?: T
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onValueChange?: (value: T | undefined) => void
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placeholder?: string
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disabled?: boolean
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size?: 'small' | 'medium' | 'large'
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contained?: boolean
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fullWidth?: boolean
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label?: string
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error?: string
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required?: boolean
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portal?: boolean
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class?: string
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/** Custom snippet for rendering suffix area - receives the option */
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suffixSnippet?: Snippet<[Option]>
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}
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let {
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options = [],
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value = $bindable(),
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onValueChange,
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placeholder = 'Select an option',
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disabled = false,
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size = 'medium',
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contained = false,
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fullWidth = false,
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label,
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error,
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required = false,
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portal = false,
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class: className = '',
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suffixSnippet
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}: Props = $props()
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// Convert options to string values for Bits UI (which expects strings internally)
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const stringOptions = $derived(
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options.map((opt) => ({
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...opt,
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value: String(opt.value)
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}))
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)
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const selected = $derived(options.find((opt) => opt.value === value))
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const hasWrapper = $derived(label || error)
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const fieldsetClasses = $derived(
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['fieldset', fullWidth && 'full', className].filter(Boolean).join(' ')
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)
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const selectClasses = $derived(
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['select', size, contained && 'contained', fullWidth && 'full', disabled && 'disabled']
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.filter(Boolean)
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.join(' ')
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)
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function handleValueChange(newValue: string | undefined) {
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if (newValue !== undefined) {
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// Convert string back to original type
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const typedValue = (typeof options[0]?.value === 'number' ? Number(newValue) : newValue) as T
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value = typedValue
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if (onValueChange) {
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onValueChange(typedValue)
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}
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}
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}
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</script>
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{#if hasWrapper}
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<fieldset class={fieldsetClasses}>
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{#if label}
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<Label.Root class="label" for={crypto.randomUUID()}>
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{label}
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{#if required}
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<span class="required">*</span>
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{/if}
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</Label.Root>
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{/if}
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<SelectPrimitive.Root
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type="single"
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{...value !== undefined && value !== null ? { value: String(value) } : {}}
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onValueChange={handleValueChange}
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{disabled}
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items={stringOptions}
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>
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<SelectPrimitive.Trigger class={selectClasses} data-placeholder={!selected}>
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{#if selected?.color}
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<span class="color-dot" style="background-color: {selected.color}"></span>
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{:else if selected?.image}
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<img src={selected.image} alt={selected.label} class="image" />
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{/if}
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<span class="text">{selected?.label || placeholder}</span>
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<Icon name="chevron-down-small" size={14} class="chevron" />
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</SelectPrimitive.Trigger>
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{#if portal}
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<SelectPrimitive.Portal>
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<SelectPrimitive.Content class="content">
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<SelectPrimitive.Viewport>
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{#each options as option}
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<SelectPrimitive.Item
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value={String(option.value)}
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{...option.disabled !== undefined ? { disabled: option.disabled } : {}}
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class="item"
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>
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{#snippet children({ selected })}
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{#if option.color}
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<span class="color-dot" style="background-color: {option.color}"></span>
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{:else if option.image}
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<img src={option.image} alt={option.label} class="image" />
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{/if}
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<span class="text" class:muted={option.muted}>{option.label}</span>
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{#if option.suffix}
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<span class="suffix">{option.suffix}</span>
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{/if}
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{#if selected}
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<span class="indicator">
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<Icon name="check" size={14} />
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</span>
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{/if}
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{/snippet}
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</SelectPrimitive.Item>
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{/each}
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</SelectPrimitive.Viewport>
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</SelectPrimitive.Content>
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</SelectPrimitive.Portal>
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{:else}
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<SelectPrimitive.Content class="content">
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<SelectPrimitive.Viewport>
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{#each options as option}
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<SelectPrimitive.Item
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value={String(option.value)}
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{...option.disabled !== undefined ? { disabled: option.disabled } : {}}
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class="item"
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>
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{#snippet children({ selected })}
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{#if option.color}
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<span class="color-dot" style="background-color: {option.color}"></span>
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{:else if option.image}
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<img src={option.image} alt={option.label} class="image" />
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{/if}
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<span class="text" class:muted={option.muted}>{option.label}</span>
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{#if option.suffix}
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<span class="suffix">{option.suffix}</span>
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{/if}
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{#if selected}
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<span class="indicator">
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<Icon name="check" size={14} />
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</span>
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{/if}
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{/snippet}
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</SelectPrimitive.Item>
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{/each}
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</SelectPrimitive.Viewport>
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</SelectPrimitive.Content>
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{/if}
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</SelectPrimitive.Root>
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{#if error}
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<span class="error">{error}</span>
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{/if}
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</fieldset>
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{:else}
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<SelectPrimitive.Root
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type="single"
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{...value !== undefined && value !== null ? { value: String(value) } : {}}
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onValueChange={handleValueChange}
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{disabled}
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items={stringOptions}
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>
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<SelectPrimitive.Trigger class={selectClasses} data-placeholder={!selected}>
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{#if selected?.color}
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<span class="color-dot" style="background-color: {selected.color}"></span>
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{:else if selected?.image}
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<img src={selected.image} alt={selected.label} class="image" />
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{/if}
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<span class="text">{selected?.label || placeholder}</span>
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<Icon name="chevron-down-small" size={14} class="chevron" />
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</SelectPrimitive.Trigger>
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{#if portal}
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<SelectPrimitive.Portal>
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<SelectPrimitive.Content class="content">
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<SelectPrimitive.Viewport>
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{#each options as option}
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<SelectPrimitive.Item
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value={String(option.value)}
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{...option.disabled !== undefined ? { disabled: option.disabled } : {}}
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class="item"
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>
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{#snippet children({ selected })}
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{#if option.color}
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<span class="color-dot" style="background-color: {option.color}"></span>
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{:else if option.image}
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<img src={option.image} alt={option.label} class="image" />
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{/if}
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<span class="text" class:muted={option.muted}>{option.label}</span>
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{#if option.suffix}
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<span class="suffix">{option.suffix}</span>
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{/if}
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{#if selected}
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<span class="indicator">
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<Icon name="check" size={14} />
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</span>
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{/if}
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{/snippet}
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</SelectPrimitive.Item>
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{/each}
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</SelectPrimitive.Viewport>
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</SelectPrimitive.Content>
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</SelectPrimitive.Portal>
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{:else}
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<SelectPrimitive.Content class="content">
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<SelectPrimitive.Viewport>
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{#each options as option}
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<SelectPrimitive.Item
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value={String(option.value)}
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{...option.disabled !== undefined ? { disabled: option.disabled } : {}}
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class="item"
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>
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{#snippet children({ selected })}
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{#if option.color}
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<span class="color-dot" style="background-color: {option.color}"></span>
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{:else if option.image}
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<img src={option.image} alt={option.label} class="image" />
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{/if}
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<span class="text" class:muted={option.muted}>{option.label}</span>
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{#if option.suffix}
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<span class="suffix">{option.suffix}</span>
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{/if}
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{#if selected}
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<span class="indicator">
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<Icon name="check" size={14} />
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</span>
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{/if}
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{/snippet}
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</SelectPrimitive.Item>
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{/each}
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</SelectPrimitive.Viewport>
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</SelectPrimitive.Content>
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{/if}
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</SelectPrimitive.Root>
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{/if}
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<style lang="scss">
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@use '$src/themes/spacing' as *;
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@use '$src/themes/colors' as *;
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@use '$src/themes/typography' as *;
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@use '$src/themes/layout' as *;
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@use '$src/themes/mixins' as *;
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@use '$src/themes/effects' as *;
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// Fieldset wrapper (matching Input component)
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.fieldset {
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display: flex;
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flex-direction: column;
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gap: $unit-half;
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&.full {
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width: 100%;
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}
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:global(.label) {
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color: var(--text-primary);
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font-size: $font-small;
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font-weight: $medium;
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margin-bottom: $unit-half;
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}
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:global(.label .required) {
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color: $error;
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margin-left: $unit-fourth;
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}
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.error {
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color: $error;
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font-size: $font-small;
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padding: $unit-half $unit-2x;
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}
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}
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// Select trigger styling - base styles
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:global([data-select-trigger].select) {
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all: unset;
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box-sizing: border-box;
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-webkit-font-smoothing: antialiased;
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align-items: center;
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background-color: var(--input-bg);
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border-radius: $input-corner;
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border: 1px solid var(--border-color, transparent);
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color: var(--text-primary);
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cursor: pointer;
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display: inline-flex;
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font-family: var(--font-family);
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gap: $unit-half;
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@include smooth-transition($duration-quick, background-color, border-color, box-shadow);
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&:hover:not(.disabled) {
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background-color: var(--input-bg-hover);
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}
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&:focus-visible {
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@include focus-ring($blue);
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}
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&.disabled {
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opacity: 0.5;
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cursor: not-allowed;
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}
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&[data-placeholder='true'] .text {
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color: var(--text-tertiary);
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}
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.text {
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flex: 1;
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text-align: left;
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white-space: nowrap;
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overflow: hidden;
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text-overflow: ellipsis;
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color: var(--text-tertiary);
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}
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.image {
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width: $unit-3x;
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height: auto;
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flex-shrink: 0;
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}
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.color-dot {
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width: 10px;
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height: 10px;
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border-radius: 50%;
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flex-shrink: 0;
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}
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:global(.chevron) {
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flex-shrink: 0;
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color: var(--text-tertiary);
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}
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}
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// Size: small
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:global([data-select-trigger].select.small) {
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padding: $unit-half $unit;
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font-size: $font-small;
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min-height: $unit-3x;
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}
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// Size: medium (default)
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:global([data-select-trigger].select.medium) {
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padding: $unit calc($unit * 1.5);
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font-size: $font-regular;
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min-height: $unit-4x;
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}
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// Size: large
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:global([data-select-trigger].select.large) {
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padding: $unit-2x $unit-3x;
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font-size: $font-large;
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min-height: calc($unit * 6);
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}
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// Variant: contained
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:global([data-select-trigger].select.contained) {
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background-color: var(--select-contained-bg);
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&:hover:not(.disabled) {
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background-color: var(--select-contained-bg-hover);
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}
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}
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// Modifier: full width
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:global([data-select-trigger].select.full) {
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width: 100%;
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}
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// Dropdown content styling
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:global([data-select-content].content) {
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background: var(--dialog-bg);
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border-radius: $card-corner;
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border: 1px solid rgba(0, 0, 0, 0.1);
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box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
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padding: $unit-half;
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min-width: var(--bits-select-anchor-width);
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max-height: 40vh;
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overflow: auto;
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z-index: 102;
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animation: fadeIn $duration-opacity-fade ease-out;
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@keyframes fadeIn {
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from {
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opacity: 0;
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transform: translateY(-4px);
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}
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to {
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opacity: 1;
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transform: translateY(0);
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}
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}
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}
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// Dropdown items
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:global([data-select-item].item) {
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align-items: center;
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border-radius: $item-corner-small;
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color: var(--text-primary);
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cursor: pointer;
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display: flex;
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gap: $unit;
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padding: $unit $unit-2x;
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user-select: none;
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@include smooth-transition($duration-quick, background-color);
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&:hover {
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background-color: var(--option-bg-hover);
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}
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&[data-disabled] {
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color: var(--text-tertiary);
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cursor: not-allowed;
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opacity: 0.5;
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}
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&[data-highlighted] {
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background-color: var(--option-bg-hover);
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}
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&[data-selected] {
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font-weight: $medium;
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}
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.text {
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flex: 1;
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&.muted {
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color: var(--text-tertiary);
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}
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}
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.suffix {
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color: var(--text-tertiary);
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font-size: $font-small;
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}
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.image {
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width: $unit-3x;
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height: auto;
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flex-shrink: 0;
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}
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.color-dot {
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width: 10px;
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height: 10px;
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border-radius: 50%;
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flex-shrink: 0;
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}
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:global(.indicator) {
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margin-left: auto;
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color: var(--accent-color);
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}
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}
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</style>
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