:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media (prefers-color-scheme: light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}*{box-sizing:border-box}.app-container{min-height:100vh;background:linear-gradient(135deg,#667eea,#764ba2);padding:20px;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}.content-wrapper{max-width:800px;margin:0 auto;padding:40px 20px}.hero{text-align:center;color:#fff;margin-bottom:48px}.hero h1{font-size:42px;font-weight:700;margin-bottom:16px;line-height:1.2}.hero-subtitle{font-size:18px;opacity:.95;max-width:600px;margin:0 auto 20px;line-height:1.6}.hero-tagline{font-size:13px;opacity:.75;font-style:italic;max-width:500px;margin:0 auto}.chat-container{background:#0a1929;border-radius:20px;padding:24px;box-shadow:0 20px 60px #0006;margin-bottom:24px}.message-bubble{background:#1e3a5f;padding:16px 20px;border-radius:18px;margin-bottom:16px;color:#fff;font-size:15px;line-height:1.5;max-width:85%}.input-area{display:flex;gap:12px;align-items:flex-end}.message-input{flex:1;background:#1e3a5f;border:none;border-radius:24px;padding:14px 20px;color:#fff;font-size:15px;font-family:inherit;resize:none;outline:none;min-height:50px;max-height:150px}.message-input::placeholder{color:#ffffff80}.send-button{background:#667eea;border:none;border-radius:50%;width:50px;height:50px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s;flex-shrink:0}.send-button:hover:not(:disabled){background:#5568d3;transform:scale(1.05)}.send-button:disabled{background:#3d4f7a;cursor:not-allowed;opacity:.5}.suggestions-container{background:#fff;border-radius:16px;padding:20px;margin-top:16px;box-shadow:0 4px 20px #0000001a}.suggestion-chip{display:inline-flex;align-items:center;gap:8px;background:#f0f2f5;padding:10px 16px;border-radius:20px;margin:6px;cursor:pointer;transition:all .2s;font-size:14px;border:1px solid transparent;color:#0a1929;font-weight:500}.suggestion-chip:hover{background:#e4e6eb;border-color:#667eea}.suggestion-chip.active{background:#667eea;color:#fff}