e6cd676278
Standalone chat UI built with vanilla Web Components (Custom Elements + Shadow DOM) that connects to the MLX inference server's SSE streaming endpoint. Zero framework dependencies, single JS bundle output. Components: - <lem-chat>: Container with SSE client, config via attributes - <lem-messages>: Scrollable message list with auto-scroll - <lem-message>: Single message bubble with streaming + <think> tag support - <lem-input>: Textarea with Enter to send, Shift+Enter for newline Build: esbuild src/lem-chat.ts → dist/lem-chat.js (15KB ESM) Replaces the monolithic chat.js in core/go-ml. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
325 lines
6 KiB
TypeScript
325 lines
6 KiB
TypeScript
export const chatStyles = `
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:host {
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display: flex;
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flex-direction: column;
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background: var(--lem-bg, #1a1a1e);
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color: var(--lem-text, #e0e0e0);
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font-family: var(--lem-font, system-ui, -apple-system, sans-serif);
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font-size: 14px;
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line-height: 1.5;
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border-radius: 12px;
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overflow: hidden;
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border: 1px solid rgba(255, 255, 255, 0.08);
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}
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.header {
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display: flex;
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align-items: center;
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gap: 10px;
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padding: 14px 18px;
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background: rgba(255, 255, 255, 0.03);
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border-bottom: 1px solid rgba(255, 255, 255, 0.06);
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flex-shrink: 0;
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}
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.header-icon {
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width: 28px;
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height: 28px;
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border-radius: 8px;
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background: var(--lem-accent, #5865f2);
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display: flex;
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align-items: center;
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justify-content: center;
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font-size: 14px;
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font-weight: 700;
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color: #fff;
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}
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.header-title {
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font-size: 15px;
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font-weight: 600;
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color: var(--lem-text, #e0e0e0);
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}
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.header-model {
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font-size: 11px;
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color: rgba(255, 255, 255, 0.35);
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margin-left: auto;
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font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
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}
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.header-status {
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width: 8px;
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height: 8px;
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border-radius: 50%;
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background: #43b581;
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flex-shrink: 0;
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}
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.header-status.disconnected {
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background: #f04747;
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}
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`;
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export const messagesStyles = `
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:host {
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display: block;
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flex: 1;
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overflow-y: auto;
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overflow-x: hidden;
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padding: 16px 0;
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scroll-behavior: smooth;
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}
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:host::-webkit-scrollbar {
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width: 6px;
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}
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:host::-webkit-scrollbar-track {
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background: transparent;
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}
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:host::-webkit-scrollbar-thumb {
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background: rgba(255, 255, 255, 0.12);
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border-radius: 3px;
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}
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.empty {
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display: flex;
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flex-direction: column;
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align-items: center;
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justify-content: center;
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height: 100%;
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gap: 12px;
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color: rgba(255, 255, 255, 0.25);
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}
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.empty-icon {
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font-size: 36px;
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opacity: 0.4;
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}
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.empty-text {
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font-size: 14px;
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}
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`;
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export const messageStyles = `
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:host {
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display: block;
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padding: 6px 18px;
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}
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:host([role="user"]) .bubble {
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background: var(--lem-msg-user, #2a2a3e);
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margin-left: 40px;
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border-radius: 12px 12px 4px 12px;
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}
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:host([role="assistant"]) .bubble {
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background: var(--lem-msg-assistant, #1e1e2a);
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margin-right: 40px;
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border-radius: 12px 12px 12px 4px;
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}
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.bubble {
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padding: 10px 14px;
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word-wrap: break-word;
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overflow-wrap: break-word;
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}
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.role {
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font-size: 11px;
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font-weight: 600;
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text-transform: uppercase;
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letter-spacing: 0.5px;
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margin-bottom: 4px;
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color: rgba(255, 255, 255, 0.35);
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}
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:host([role="assistant"]) .role {
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color: var(--lem-accent, #5865f2);
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}
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.content {
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color: var(--lem-text, #e0e0e0);
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line-height: 1.6;
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}
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.content p {
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margin: 0 0 8px 0;
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}
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.content p:last-child {
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margin-bottom: 0;
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}
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.content strong {
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font-weight: 600;
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color: #fff;
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}
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.content em {
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font-style: italic;
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color: rgba(255, 255, 255, 0.8);
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}
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.content code {
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font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
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font-size: 12px;
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background: rgba(0, 0, 0, 0.3);
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padding: 2px 5px;
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border-radius: 4px;
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color: #e8a0bf;
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}
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.content pre {
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margin: 8px 0;
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padding: 12px;
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background: rgba(0, 0, 0, 0.35);
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border-radius: 8px;
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overflow-x: auto;
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border: 1px solid rgba(255, 255, 255, 0.06);
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}
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.content pre code {
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background: none;
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padding: 0;
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font-size: 12px;
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color: #c9d1d9;
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line-height: 1.5;
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}
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.think-panel {
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margin: 6px 0 8px;
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padding: 8px 12px;
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background: rgba(88, 101, 242, 0.06);
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border-left: 2px solid rgba(88, 101, 242, 0.3);
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border-radius: 0 6px 6px 0;
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font-size: 12px;
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color: rgba(255, 255, 255, 0.45);
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line-height: 1.5;
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max-height: 200px;
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overflow-y: auto;
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}
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.think-panel::-webkit-scrollbar {
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width: 4px;
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}
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.think-panel::-webkit-scrollbar-thumb {
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background: rgba(255, 255, 255, 0.1);
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border-radius: 2px;
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}
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.think-label {
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font-size: 10px;
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font-weight: 600;
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text-transform: uppercase;
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letter-spacing: 0.5px;
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color: rgba(88, 101, 242, 0.5);
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margin-bottom: 4px;
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cursor: pointer;
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user-select: none;
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}
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.think-label:hover {
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color: rgba(88, 101, 242, 0.7);
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}
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.think-panel.collapsed .think-content {
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display: none;
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}
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.cursor {
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display: inline-block;
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width: 7px;
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height: 16px;
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background: var(--lem-accent, #5865f2);
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border-radius: 1px;
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animation: blink 0.8s step-end infinite;
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vertical-align: text-bottom;
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margin-left: 2px;
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}
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@keyframes blink {
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50% { opacity: 0; }
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}
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`;
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export const inputStyles = `
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:host {
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display: block;
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padding: 12px 16px 16px;
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border-top: 1px solid rgba(255, 255, 255, 0.06);
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flex-shrink: 0;
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}
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.input-wrapper {
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display: flex;
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align-items: flex-end;
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gap: 10px;
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background: rgba(255, 255, 255, 0.05);
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border: 1px solid rgba(255, 255, 255, 0.08);
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border-radius: 12px;
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padding: 8px 12px;
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transition: border-color 0.15s;
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}
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.input-wrapper:focus-within {
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border-color: var(--lem-accent, #5865f2);
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}
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textarea {
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flex: 1;
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background: none;
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border: none;
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outline: none;
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color: var(--lem-text, #e0e0e0);
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font-family: inherit;
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font-size: 14px;
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line-height: 1.5;
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resize: none;
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max-height: 120px;
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min-height: 22px;
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padding: 0;
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}
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textarea::placeholder {
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color: rgba(255, 255, 255, 0.25);
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}
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.send-btn {
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background: var(--lem-accent, #5865f2);
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border: none;
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border-radius: 8px;
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color: #fff;
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width: 32px;
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height: 32px;
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cursor: pointer;
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display: flex;
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align-items: center;
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justify-content: center;
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flex-shrink: 0;
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transition: opacity 0.15s, transform 0.1s;
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}
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.send-btn:hover {
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opacity: 0.85;
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}
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.send-btn:active {
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transform: scale(0.95);
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}
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.send-btn:disabled {
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opacity: 0.3;
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cursor: default;
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transform: none;
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}
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.send-btn svg {
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width: 16px;
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height: 16px;
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}
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`;
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