: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}}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-color:#f8fafc;color:#1e293b}.app{min-height:100vh;width:100vw;display:flex;justify-content:center;align-items:center;position:relative}.iframe-container{position:relative;width:500px;height:400px;background:#fff;border-radius:12px;box-shadow:0 10px 25px #0000001a;overflow:hidden;margin:0 auto;display:block}.iframe-container iframe{position:absolute;top:0;left:0;width:100%;height:100%;border:none}.floating-chat{position:fixed;bottom:30px;right:30px;z-index:1000}.chat-button{width:60px;height:60px;border-radius:50%;background:linear-gradient(135deg,#667eea,#764ba2);border:none;color:#fff;font-size:24px;cursor:pointer;box-shadow:0 4px 20px #667eea66;transition:all .3s ease;display:flex;align-items:center;justify-content:center}.chat-button:hover{transform:scale(1.1);box-shadow:0 6px 25px #667eea99}.chat-button:active{transform:scale(.95)}.chat-window{position:absolute;bottom:80px;right:0;width:400px;height:500px;background:#fff;border-radius:12px;box-shadow:0 10px 40px #00000026;display:flex;flex-direction:column;transition:opacity .2s ease-out,transform .2s ease-out,visibility .2s ease-out}.chat-window--open{opacity:1;visibility:visible;transform:translateY(0)}.chat-window--closed{opacity:0;visibility:hidden;transform:translateY(10px);pointer-events:none}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.chat-header{padding:1rem;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border-radius:12px 12px 0 0;display:flex;justify-content:space-between;align-items:center}.chat-header h3{font-size:1.1rem;font-weight:600}.close-button{background:none;border:none;color:#fff;font-size:24px;cursor:pointer;padding:0;width:30px;height:30px;display:flex;align-items:center;justify-content:center;border-radius:50%;transition:background-color .2s ease}.close-button:hover{background-color:#fff3}.chat-iframe-container{flex:1;position:relative}.chat-iframe-container iframe{position:absolute;top:0;left:0;width:100%;height:100%;border:none;border-radius:0 0 12px 12px}.chat-iframe-skeleton{position:absolute;inset:0;padding:1.25rem;display:flex;align-items:center;gap:1rem;background:linear-gradient(135deg,#eef2ff,#f5f3ff)}.chat-iframe-skeleton-avatar{width:56px;height:56px;border-radius:50%;background:radial-gradient(circle at 30% 30%,#a5b4fc,#6366f1);box-shadow:0 4px 15px #6366f14d}.chat-iframe-skeleton-lines{flex:1;display:flex;flex-direction:column;gap:.5rem}.chat-iframe-skeleton-lines span{height:10px;border-radius:999px;background:#94a3b899}.chat-iframe-skeleton-lines span:nth-child(1){width:65%}.chat-iframe-skeleton-lines span:nth-child(2){width:45%}@media(max-width:768px){.iframe-container{width:400px;height:320px}.floating-chat{bottom:20px;right:20px}.chat-button{width:50px;height:50px;font-size:20px}.chat-window{width:calc(100vw - 40px);height:400px;right:-20px}}@media(max-width:480px){.iframe-container{width:350px;height:280px}.chat-window{height:350px}}