: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{display:block!important;margin:0;padding:0;background:url(/bg.jpg) center/cover no-repeat fixed;font-family:Segoe UI,Roboto,Arial,sans-serif;min-height:100vh}#root{min-height:100%}.page{width:100%;min-height:100vh;padding:12px 0;box-sizing:border-box}.shell{max-width:1100px;margin:0 auto;padding:5px 32px 20px;background:#ffffff8c;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);border-radius:20px;box-shadow:0 25px 60px #00000040;display:block}.hero{text-align:center;margin-bottom:32px}.hero-title{font-size:56px;font-weight:700;color:#2b2b2b;margin-bottom:10px}.hero-subtitle{font-size:20px;color:#4a4a4a;max-width:900px;margin:0 auto}.content-card{max-width:1000px;margin:0 auto;background:#141414eb;color:#f2f2f2;padding:40px 32px;border-radius:16px;box-shadow:0 15px 40px #00000059}.section-title{font-size:28px;font-weight:600;color:#fff;margin-top:24px;margin-bottom:12px}.section-text{font-size:17px;color:#e0e0e0;line-height:1.7;margin-bottom:16px}.placeholder-box{margin-top:32px;padding:24px;border:2px dashed rgba(255,255,255,.25);border-radius:12px;background:#ffffff14;text-align:center}.placeholder-title{font-size:22px;font-weight:600;color:#fff;margin-bottom:8px}.placeholder-text{font-size:16px;color:#d0d0d0;line-height:1.5}.chat-box{margin-top:2rem;border:1px solid #ddd;border-radius:8px;padding:1rem;background:#fafafa}.messages{display:flex;flex-direction:column;max-height:300px;overflow-y:auto;margin-bottom:1rem}.message{padding:.5rem .75rem;margin-bottom:.5rem;border-radius:6px;color:#222;max-width:85%}.message.user{background:#d9eaff;color:#0a1a2b;align-self:flex-end}.message.assistant{background:#fff;color:#222;align-self:flex-start}.input-row{display:flex;gap:.5rem}.input-row input{flex:1;padding:.5rem}.input-row button{padding:.5rem 1rem}