:root{--bg-primary: #0f0f23;--bg-secondary: #1a1a2e;--bg-bubble-user: #16213e;--bg-bubble-assistant: #1a1a2e;--text-primary: #e0e0e0;--text-secondary: #8888aa;--accent: #e94560;--accent-hover: #ff6b81;--border: #2a2a4a;--input-bg: #16213e;--radius: 12px;--font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif}*{margin:0;padding:0;box-sizing:border-box}body{font-family:var(--font);background:var(--bg-primary);color:var(--text-primary);height:100dvh}#root{height:100dvh;display:flex;flex-direction:column}.app{display:flex;flex-direction:column;height:100%;max-width:768px;margin:0 auto;width:100%;overflow:hidden}.header{padding:16px 20px;background:var(--bg-secondary);border-bottom:1px solid var(--border);flex-shrink:0}.header-content{display:flex;align-items:baseline;gap:12px}.header-title{font-size:1.4rem;font-weight:700;color:var(--accent)}.header-subtitle{font-size:.85rem;color:var(--text-secondary)}.chat-view{display:flex;flex-direction:column;flex:1;overflow:hidden}.messages-container{flex:1;overflow-y:auto;padding:16px 20px;display:flex;flex-direction:column;gap:12px}.message{display:flex;max-width:85%}.message-user{align-self:flex-end;margin-left:auto}.message-assistant{align-self:flex-start}.message-bubble{padding:12px 16px;border-radius:var(--radius);position:relative}.message-user .message-bubble{background:var(--bg-bubble-user);border-bottom-right-radius:4px}.message-assistant .message-bubble{background:var(--bg-bubble-assistant);border:1px solid var(--border);border-bottom-left-radius:4px}.message-text{font-size:.95rem;line-height:1.5;white-space:pre-wrap;word-break:break-word}.message-time{display:block;font-size:.7rem;color:var(--text-secondary);margin-top:6px;text-align:right}.message-buttons{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}.message-btn{padding:8px 16px;border:1px solid var(--accent);border-radius:20px;background:transparent;color:var(--accent);cursor:pointer;font-size:.85rem;transition:all .2s}.message-btn:hover{background:var(--accent);color:#fff}.chat-input-container{display:flex;align-items:flex-end;gap:10px;padding:12px 20px 20px;background:var(--bg-secondary);border-top:1px solid var(--border);flex-shrink:0}.chat-input{flex:1;padding:12px 16px;border:1px solid var(--border);border-radius:var(--radius);background:var(--input-bg);color:var(--text-primary);font-size:.95rem;font-family:var(--font);resize:none;outline:none;min-height:44px;max-height:120px}.chat-input:focus{border-color:var(--accent)}.chat-input::placeholder{color:var(--text-secondary)}.chat-input:disabled{opacity:.5}.send-btn{width:44px;height:44px;border:none;border-radius:50%;background:var(--accent);color:#fff;font-size:1.2rem;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .2s;flex-shrink:0}.send-btn:hover:not(:disabled){background:var(--accent-hover)}.send-btn:disabled{opacity:.4;cursor:not-allowed}.messages-container::-webkit-scrollbar,*::-webkit-scrollbar{width:6px}.messages-container::-webkit-scrollbar-track,*::-webkit-scrollbar-track{background:transparent}.messages-container::-webkit-scrollbar-thumb,*::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}::selection{background:#e945604d;color:var(--text-primary)}select{-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%238888aa' viewBox='0 0 24 24'%3E%3Cpath d='M7 10l5 5 5-5z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;padding-right:32px!important}select option{background:var(--bg-secondary);color:var(--text-primary)}@media(max-width:480px){.header,.messages-container{padding:12px 16px}.chat-input-container{padding:10px 16px 16px}.message{max-width:90%}}