: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}}body{margin:0;font-family:Inter,Roboto,system-ui;background:#fff;color:#111}.container{width:90%;max-width:1100px;margin:auto}section{padding:80px 0}h1,h2,h3{font-weight:600}.grid{display:grid;gap:20px}.grid-3{grid-template-columns:repeat(auto-fit,minmax(250px,1fr))}.card{border:1px solid #e4e4e4;padding:20px;border-radius:8px}button{padding:10px 18px;border:none;cursor:pointer;border-radius:6px}.primary{background:#5b5ce2;color:#fff}input,textarea{width:100%;padding:10px;margin-top:10px;border:1px solid #ddd}.chat-toggle{position:fixed;bottom:20px;right:20px;background:#5b5ce2;color:#fff;border:none;padding:12px 18px;border-radius:8px;cursor:pointer;box-shadow:0 4px 10px #0000001a}.chat-window{position:fixed;bottom:80px;right:20px;width:320px;height:420px;background:#fff;border:1px solid #ddd;border-radius:10px;display:flex;flex-direction:column;overflow:hidden;animation:slideUp .25s ease}.chat-header{background:#5b5ce2;color:#fff;padding:12px;display:flex;justify-content:space-between;align-items:center;font-weight:500}.close-btn{background:none;border:none;color:#fff;font-size:16px;cursor:pointer}.chat-body{flex:1;padding:15px;overflow-y:auto;background:#f7f7f7}.msg{display:flex;margin-bottom:12px;align-items:flex-end}.msg.user{justify-content:flex-end}.avatar{margin-right:6px;font-size:20px}.bubble{max-width:70%;padding:10px 12px;border-radius:8px;font-size:14px}.msg.bot .bubble{background:#e6e6e6}.msg.user .bubble{background:#5b5ce2;color:#fff}.quick-buttons{padding:10px;border-top:1px solid #eee;display:flex;gap:8px;flex-wrap:wrap}.quick-buttons button{background:#fff;border:1px solid #ddd;padding:6px 10px;font-size:12px;cursor:pointer}.chat-input{display:flex;border-top:1px solid #eee}.chat-input input{flex:1;border:none;padding:10px;outline:none}.chat-input button{border:none;background:#5b5ce2;color:#fff;padding:10px 14px;cursor:pointer}.typing span{display:inline-block;width:6px;height:6px;margin-right:3px;background:#888;border-radius:50%;animation:blink 1.2s infinite}.typing span:nth-child(2){animation-delay:.2s}.typing span:nth-child(3){animation-delay:.4s}@keyframes blink{0%{opacity:.2}50%{opacity:1}to{opacity:.2}}@keyframes slideUp{0%{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}