:root{--text:#6b6375;--text-h:#08060d;--bg:#fff;--border:#e5e4e7;--code-bg:#f4f3ec;--accent:#4f46e5;--accent-bg:#4f46e51a;--accent-border:#4f46e580;--shadow:#0000001a 0 10px 15px -3px, #0000000d 0 4px 6px -2px;--sans:system-ui, "Segoe UI", Roboto, sans-serif;font:14px/145% var(--sans);letter-spacing:.18px;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;color:var(--text);background:var(--bg);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial;--text:#9ca3af;--text-h:#f3f4f6;--bg:#16171d;--border:#2e303a;--code-bg:#1f2028;--accent:#818cf8;--accent-bg:#818cf826;--accent-border:#818cf880;--shadow:#0006 0 10px 15px -3px, #00000040 0 4px 6px -2px}}*{box-sizing:border-box;margin:0;padding:0}#root{width:100%;height:100svh;overflow:hidden}.chat-container{background:var(--bg);flex-direction:column;max-width:720px;height:100svh;margin:0 auto;display:flex;position:relative}.chat-header{border-bottom:1px solid var(--border);background:var(--bg);z-index:10;justify-content:space-between;align-items:center;padding:14px 20px;display:flex;position:sticky;top:0}.chat-header-info{align-items:center;gap:12px;display:flex}.chat-avatar{background:var(--accent);color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:40px;height:40px;font-size:16px;font-weight:600;display:flex}.chat-header-text h2{margin:0;font-size:16px;font-weight:600;line-height:1.3}.chat-status{color:#22c55e;font-size:12px}.unread-badge{color:#fff;cursor:pointer;background:#ef4444;border:none;border-radius:12px;padding:4px 12px;font-size:12px;font-weight:500;transition:opacity .2s}.unread-badge:hover{opacity:.85}.chat-messages{scroll-behavior:smooth;flex:1;padding:16px 20px;overflow-y:auto}.messages-inner{flex-direction:column;justify-content:flex-end;gap:12px;min-height:100%;display:flex}.message-row{align-items:flex-end;gap:8px;max-width:80%;transition:transform .3s;display:flex}.message-row.me{flex-direction:row-reverse;align-self:flex-end}.message-row.other{align-self:flex-start}.message-row.unread .message-bubble.other{border-left:3px solid #ef4444}.message-row .message-avatar{background:var(--accent);color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:32px;height:32px;font-size:13px;font-weight:600;display:flex}.message-content{flex-direction:column;gap:4px;display:flex}.message-bubble{word-break:break-word;white-space:pre-wrap;border-radius:16px;padding:10px 14px;font-size:14px;line-height:1.5}.message-bubble.me{background:var(--accent);color:#fff;border-bottom-right-radius:4px}.message-bubble.other{background:var(--code-bg);color:var(--text-h);border-bottom-left-radius:4px}.message-time{color:var(--text);opacity:.6;padding:0 4px;font-size:11px}.message-row.me .message-time{text-align:right}.chat-toolbar{border-top:1px solid var(--border);align-items:center;gap:8px;padding:6px 20px;display:flex;position:relative}.toolbar-btn{border:1px solid var(--border);cursor:pointer;background:0 0;border-radius:8px;justify-content:center;align-items:center;width:36px;height:36px;font-size:18px;transition:background .2s;display:flex}.toolbar-btn:hover{background:var(--code-bg)}.emoji-picker{background:var(--bg);border:1px solid var(--border);box-shadow:var(--shadow);z-index:20;border-radius:12px;grid-template-columns:repeat(8,1fr);gap:4px;padding:10px;display:grid;position:absolute;bottom:50px;left:20px}.emoji-item{cursor:pointer;background:0 0;border:none;border-radius:6px;justify-content:center;align-items:center;width:36px;height:36px;font-size:20px;transition:background .15s;display:flex}.emoji-item:hover{background:var(--code-bg)}.chat-input-area{border-top:1px solid var(--border);background:var(--bg);align-items:flex-end;gap:10px;padding:12px 20px;display:flex}.chat-input{border:1px solid var(--border);resize:none;background:var(--bg);color:var(--text-h);border-radius:20px;outline:none;flex:1;max-height:100px;padding:10px 16px;font-family:inherit;font-size:14px;line-height:1.4;transition:border-color .2s}.chat-input:focus{border-color:var(--accent)}.chat-input::placeholder{color:var(--text);opacity:.5}.send-btn{background:var(--border);color:var(--text);cursor:not-allowed;border:none;border-radius:20px;flex-shrink:0;padding:10px 20px;font-size:14px;font-weight:500;transition:all .2s}.send-btn.active{background:var(--accent);color:#fff;cursor:pointer}.send-btn.active:hover{opacity:.9}