:root{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;line-height:1.5;font-weight:400;color-scheme:dark;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}html,body{margin:0;padding:0;min-height:100vh;background:#0a0a0a}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:#0a0a0a;color:#e5e5e5}#root{height:100vh;display:flex;justify-content:center;align-items:center;padding:1rem}.chat-container{width:100%;max-width:700px;height:90vh;display:flex;flex-direction:column;background:#141414;border-radius:12px;border:1px solid #2a2a2a;overflow:hidden}.chat-header{padding:1rem 1.5rem;border-bottom:1px solid #2a2a2a;display:flex;align-items:center;gap:1rem}.chat-header h1{font-size:1.25rem;font-weight:600;color:#fff}.chat-header .subtitle{font-size:.85rem;color:#666;flex:1}.clear-btn{background:transparent;border:1px solid #333;color:#888;padding:.4rem .8rem;border-radius:6px;cursor:pointer;font-size:.8rem;transition:all .2s}.clear-btn:hover{border-color:#555;color:#fff}.messages-container{flex:1;overflow-y:auto;padding:1.5rem;display:flex;flex-direction:column;gap:1rem}.welcome{text-align:center;padding:2rem;color:#888}.welcome h2{font-size:1.5rem;color:#fff;margin-bottom:.5rem;font-weight:500}.welcome p{margin-bottom:2rem}.suggestions{display:flex;flex-direction:column;gap:.5rem}.suggestions button{background:#1a1a1a;border:1px solid #2a2a2a;color:#ccc;padding:.75rem 1rem;border-radius:8px;cursor:pointer;font-size:.9rem;transition:all .2s;text-align:left}.suggestions button:hover{background:#222;border-color:#444;color:#fff}.message{max-width:85%;animation:fadeIn .3s ease}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.message.user{align-self:flex-end}.message.assistant{align-self:flex-start}.message-content{padding:.875rem 1rem;border-radius:12px;line-height:1.5;font-size:.95rem}.message.user .message-content{background:#2563eb;color:#fff;border-bottom-right-radius:4px}.message.assistant .message-content{background:#262626;color:#e5e5e5;border-bottom-left-radius:4px}.cursor{display:inline-block;animation:blink .7s infinite;margin-left:2px;color:#2563eb}@keyframes blink{0%,50%{opacity:1}51%,to{opacity:0}}.input-container{padding:1rem 1.5rem;border-top:1px solid #2a2a2a;display:flex;gap:.75rem;background:#0f0f0f}.input-container input{flex:1;background:#1a1a1a;border:1px solid #2a2a2a;border-radius:8px;padding:.875rem 1rem;color:#fff;font-size:.95rem;outline:none;transition:border-color .2s}.input-container input:focus{border-color:#2563eb}.input-container input::placeholder{color:#555}.input-container input:disabled{opacity:.5}.send-btn{background:#2563eb;border:none;color:#fff;padding:.875rem 1.5rem;border-radius:8px;cursor:pointer;font-size:.95rem;font-weight:500;transition:all .2s}.send-btn:hover:not(:disabled){background:#1d4ed8}.send-btn:disabled{opacity:.5;cursor:not-allowed}.messages-container::-webkit-scrollbar{width:6px}.messages-container::-webkit-scrollbar-track{background:transparent}.messages-container::-webkit-scrollbar-thumb{background:#333;border-radius:3px}.messages-container::-webkit-scrollbar-thumb:hover{background:#444}