alexei.dolgolyov
9afd38e50e
- Add overscroll-behavior: contain to all in-modal/popup scroll containers (Modal body, EntitySelect, MultiEntitySelect, IconPicker, IconGridSelect, SearchPalette, TimezoneSelector) so reaching the inner scroll boundary no longer scrolls the page underneath. - Telegram bot Discover Chats no longer collapses the existing chat list into a "Loading…" placeholder. Split chatsLoading (initial) from chatsRefreshing (Discover); rows are keyed by chat.id with flip+fade animations; the list dims with a sweeping shimmer bar while the Discover button shows a spinning icon and "Discovering chats…" label. Honors prefers-reduced-motion.
403 lines
10 KiB
Svelte
403 lines
10 KiB
Svelte
<script lang="ts">
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import MdiIcon from './MdiIcon.svelte';
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import { t } from '$lib/i18n';
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import { portal } from '$lib/portal';
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export interface EntityItem {
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value: string | number;
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label: string;
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icon?: string;
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desc?: string;
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disabled?: boolean;
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disabledHint?: string;
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}
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let {
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items = [],
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value = $bindable(),
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placeholder = 'Select...',
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allowNone = false,
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noneLabel = '—',
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disabled = false,
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size = 'default',
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onselect,
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}: {
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items: EntityItem[];
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value: string | number | null;
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placeholder?: string;
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allowNone?: boolean;
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noneLabel?: string;
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disabled?: boolean;
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size?: 'sm' | 'default';
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onselect?: (value: string | number | null) => void;
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} = $props();
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let open = $state(false);
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let query = $state('');
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let highlightIdx = $state(0);
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let inputEl = $state<HTMLInputElement | undefined>();
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let listEl = $state<HTMLDivElement | undefined>();
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const selected = $derived(items.find(i => String(i.value) === String(value)));
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const filtered = $derived.by(() => {
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const q = query.toLowerCase().trim();
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let result: EntityItem[] = [];
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if (allowNone) {
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result.push({ value: '', label: noneLabel, icon: '' });
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}
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const matching = q
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? items.filter(i => i.label.toLowerCase().includes(q) || (i.desc || '').toLowerCase().includes(q))
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: items;
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return [...result, ...matching];
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});
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function openPalette() {
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if (disabled) return;
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open = true;
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query = '';
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highlightIdx = Math.max(0, filtered.findIndex(i => String(i.value) === String(value)));
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requestAnimationFrame(() => inputEl?.focus());
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}
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function closePalette() {
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open = false;
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query = '';
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}
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function selectItem(item: EntityItem) {
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if (item.disabled) return;
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value = item.value || null;
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onselect?.(value);
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closePalette();
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}
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function handleKeydown(e: KeyboardEvent) {
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if (e.key === 'Escape') {
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closePalette();
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return;
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}
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if (e.key === 'ArrowDown') {
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e.preventDefault();
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highlightIdx = Math.min(highlightIdx + 1, filtered.length - 1);
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scrollToHighlight();
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} else if (e.key === 'ArrowUp') {
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e.preventDefault();
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highlightIdx = Math.max(highlightIdx - 1, 0);
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scrollToHighlight();
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} else if (e.key === 'Enter') {
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e.preventDefault();
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if (filtered[highlightIdx]) selectItem(filtered[highlightIdx]);
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} else if (e.key === 'Tab') {
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e.preventDefault();
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}
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}
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function scrollToHighlight() {
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requestAnimationFrame(() => {
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listEl?.querySelector('.ep-highlight')?.scrollIntoView({ block: 'nearest' });
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});
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}
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// Reset highlight when query changes
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$effect(() => {
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query; // track
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highlightIdx = 0;
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});
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</script>
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<!-- Trigger button -->
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<button type="button" class="es-trigger" class:es-sm={size === 'sm'} onclick={openPalette}
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aria-expanded={open}
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aria-haspopup="listbox"
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style="opacity: {disabled ? 0.5 : 1}; cursor: {disabled ? 'default' : 'pointer'};">
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{#if selected}
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{#if selected.icon}
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<span class="es-trigger-icon"><MdiIcon name={selected.icon} size={16} /></span>
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{/if}
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<span class="es-trigger-label">{selected.label}</span>
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{:else}
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<span class="es-trigger-label es-trigger-none">{placeholder}</span>
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{/if}
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<span class="es-trigger-arrow"><MdiIcon name="mdiChevronDown" size={14} /></span>
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</button>
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<!-- Palette overlay — portalled to <body> to escape backdrop-filter ancestors -->
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{#if open}
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<div use:portal class="es-portal-root">
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<div class="ep-overlay" onclick={closePalette} role="presentation"></div>
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<div class="ep-container">
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<div class="ep-search-row">
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<MdiIcon name="mdiMagnify" size={18} />
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<input
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bind:this={inputEl}
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bind:value={query}
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placeholder={selected ? selected.label : placeholder}
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class="ep-input"
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type="text"
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autocomplete="off"
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spellcheck="false"
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onkeydown={handleKeydown}
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/>
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<kbd class="ep-kbd">ESC</kbd>
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</div>
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<div class="ep-list" bind:this={listEl} role="listbox">
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{#if filtered.length === 0}
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<div class="ep-empty">{t('common.noMatches')}</div>
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{:else}
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{#each filtered as item, i}
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<button
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class="ep-item"
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class:ep-highlight={i === highlightIdx && !item.disabled}
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class:ep-current={String(item.value) === String(value)}
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class:ep-disabled={item.disabled}
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role="option"
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aria-selected={String(item.value) === String(value)}
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aria-disabled={item.disabled || undefined}
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onclick={() => selectItem(item)}
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onmouseenter={() => highlightIdx = i}
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type="button"
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>
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{#if item.icon}
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<span class="ep-item-icon"><MdiIcon name={item.icon} size={18} /></span>
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{/if}
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<span class="ep-item-label">{item.label}</span>
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{#if item.disabled && item.disabledHint}
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<span class="ep-item-hint">{item.disabledHint}</span>
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{:else if item.desc}
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<span class="ep-item-desc">{item.desc}</span>
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{/if}
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</button>
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{/each}
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{/if}
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</div>
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</div>
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</div>
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{/if}
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<style>
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/* Trigger button */
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.es-trigger {
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display: flex;
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align-items: center;
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gap: 0.5rem;
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width: 100%;
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padding: 0.5rem 0.75rem;
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border: 1px solid var(--color-rule-strong);
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border-radius: 0.625rem;
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font-size: 0.875rem;
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background: var(--color-input-bg);
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color: var(--color-foreground);
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transition: border-color 0.15s, background 0.15s;
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text-align: left;
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cursor: pointer;
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font-family: inherit;
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}
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.es-trigger.es-sm {
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padding: 0.3rem 0.55rem;
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font-size: 0.8rem;
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gap: 0.4rem;
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}
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.es-trigger:hover {
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background: var(--color-glass-strong);
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border-color: var(--color-rule-strong);
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}
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.es-trigger-icon {
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flex-shrink: 0;
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color: var(--color-primary);
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}
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.es-trigger-label {
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flex: 1;
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overflow: hidden;
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text-overflow: ellipsis;
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white-space: nowrap;
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}
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.es-trigger-none {
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color: var(--color-muted-foreground);
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}
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.es-trigger-arrow {
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flex-shrink: 0;
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color: var(--color-muted-foreground);
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}
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/* Portal root — escapes any backdrop-filter ancestor */
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.es-portal-root {
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position: fixed;
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inset: 0;
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z-index: 9998;
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pointer-events: none;
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}
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/* Overlay */
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.ep-overlay {
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position: absolute;
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inset: 0;
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pointer-events: auto;
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background: rgba(0, 0, 0, 0.55);
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backdrop-filter: blur(8px) saturate(120%);
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-webkit-backdrop-filter: blur(8px) saturate(120%);
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}
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/* Palette container — high opacity for legibility */
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.ep-container {
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pointer-events: auto;
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position: absolute;
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top: min(20vh, 120px);
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left: 50%;
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transform: translateX(-50%);
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z-index: 1;
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width: min(480px, 92vw);
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max-height: 60vh;
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background: var(--ep-solid-bg);
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border: 1px solid var(--color-rule-strong);
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border-radius: 16px;
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box-shadow: var(--shadow-card), 0 24px 48px -16px rgba(0, 0, 0, 0.55);
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display: flex;
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flex-direction: column;
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overflow: hidden;
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--ep-solid-bg: #131520;
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}
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:global([data-theme="light"]) .ep-container { --ep-solid-bg: #fafafe; }
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.ep-container::after {
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content: '';
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position: absolute; inset: 0;
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border-radius: inherit;
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pointer-events: none;
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background: linear-gradient(180deg, var(--color-highlight), transparent 30%);
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opacity: 0.4;
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}
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/* Search row */
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.ep-search-row {
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display: flex;
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align-items: center;
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gap: 0.6rem;
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padding: 0.85rem 1rem;
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border-bottom: 1px solid var(--color-border);
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color: var(--color-muted-foreground);
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position: relative;
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z-index: 1;
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}
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.ep-input {
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flex: 1;
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border: none;
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outline: none;
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background: transparent;
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font-size: 0.9rem;
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color: var(--color-foreground);
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padding: 0;
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font-family: inherit;
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}
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.ep-input::placeholder { color: var(--color-muted-foreground); }
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.ep-kbd {
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font-size: 0.62rem;
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font-family: var(--font-mono);
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padding: 0.2rem 0.45rem;
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border-radius: 6px;
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background: var(--color-glass-strong);
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color: var(--color-foreground);
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border: 1px solid var(--color-border);
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}
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/* List */
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.ep-list {
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overflow-y: auto;
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overscroll-behavior: contain;
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scrollbar-width: thin;
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padding: 0.35rem;
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position: relative;
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z-index: 1;
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}
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.ep-empty {
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padding: 1.25rem;
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text-align: center;
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color: var(--color-muted-foreground);
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font-size: 0.85rem;
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}
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/* Items */
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.ep-item {
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display: flex;
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align-items: center;
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gap: 0.65rem;
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width: 100%;
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padding: 0.55rem 0.75rem;
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border: 1px solid transparent;
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background: transparent;
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color: var(--color-foreground);
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font-size: 0.88rem;
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cursor: pointer;
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text-align: left;
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transition: background 0.12s, border-color 0.12s;
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border-radius: 10px;
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font-family: inherit;
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}
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.ep-item:hover, .ep-item.ep-highlight {
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background: rgba(255, 255, 255, 0.06);
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border-color: var(--color-rule-strong);
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}
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:global([data-theme="light"]) .ep-item:hover,
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:global([data-theme="light"]) .ep-item.ep-highlight {
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background: rgba(20, 15, 60, 0.05);
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}
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.ep-item.ep-disabled {
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opacity: 0.4;
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cursor: default;
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}
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.ep-item.ep-disabled:hover {
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background: transparent;
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border-color: transparent;
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}
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.ep-item.ep-current {
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background: linear-gradient(135deg,
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color-mix(in srgb, var(--color-primary) 14%, transparent),
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color-mix(in srgb, var(--color-orchid) 14%, transparent));
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border-color: color-mix(in srgb, var(--color-primary) 40%, var(--color-border));
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box-shadow: inset 0 1px 0 var(--color-highlight);
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}
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.ep-item-icon {
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flex-shrink: 0;
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display: flex;
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align-items: center;
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justify-content: center;
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color: var(--color-muted-foreground);
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width: 28px; height: 28px;
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border-radius: 8px;
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background: var(--color-glass-strong);
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border: 1px solid var(--color-border);
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}
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.ep-item.ep-current .ep-item-icon {
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color: var(--color-primary);
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background: var(--color-glass-elev);
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}
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.ep-item-label {
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flex: 1;
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overflow: hidden;
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text-overflow: ellipsis;
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white-space: nowrap;
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font-weight: 500;
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}
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.ep-item-desc {
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font-size: 0.7rem;
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font-family: var(--font-mono);
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color: var(--color-muted-foreground);
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padding: 0.12rem 0.5rem;
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border-radius: 9999px;
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background: var(--color-glass-strong);
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border: 1px solid var(--color-border);
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white-space: nowrap;
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overflow: hidden;
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text-overflow: ellipsis;
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max-width: 40%;
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}
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.ep-item-hint {
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font-size: 0.7rem;
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font-style: italic;
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color: var(--color-muted-foreground);
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white-space: nowrap;
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margin-left: auto;
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}
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</style>
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