:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;font-size:14px;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}@media(min-width:768px){:root{font-size:16px}}*{box-sizing:border-box}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;min-width:320px;min-height:100vh;overflow-x:hidden}h1{font-size:clamp(2em,5vw,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;min-height:44px;min-width:44px}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}.card{padding:2em}#app{width:100%;max-width:1280px;margin:0 auto;min-height:100vh}input,textarea,select{font-size:16px;max-width:100%}@media(prefers-color-scheme:light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}.topbar{display:flex;gap:8px;padding:12px;background:#2c3e50}.topbar button{padding:8px 14px;border:none;border-radius:6px;background:#34495e;color:#fff;cursor:pointer}.topbar button.active{background:#1abc9c;font-weight:700}.upload-box{width:420px;margin:40px auto;padding:20px;border-radius:12px;background-color:#f9f9f9;text-align:center}.driver-box{margin-bottom:16px;text-align:left}.driver-row{display:flex;gap:6px;margin-bottom:6px}.driver-row input{flex:1}.driver-row button{background:#e74c3c;color:#fff;border:none;border-radius:4px;cursor:pointer}.add-btn{margin-top:6px;width:100%}.chat-container{max-width:700px;margin:0 auto;display:flex;flex-direction:column}.chat-box{height:400px;overflow-y:auto;padding:12px;background:#f4f6f8;border-radius:8px;margin-bottom:10px}.chat-message{margin-bottom:10px}.chat-message .role{font-size:12px;font-weight:700;margin-bottom:2px;display:block}.chat-message.user .content{background:#dfefff;padding:8px;border-radius:6px}.chat-message.assistant .content{background:#e8f5e9;padding:8px;border-radius:6px}.input-box{display:flex;gap:8px}textarea{flex:1;resize:none;height:60px;padding:8px}button{width:100px}.page{padding:clamp(16px,4vw,40px);width:100%;max-width:100%}@media(max-width:767px){.page{padding:16px}}@media(min-width:768px)and (max-width:1023px){.page{padding:24px}}@media(min-width:1024px){.page{padding:40px}}