: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;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}}.navbar{background-color:#1a1a1a;padding:1rem 2rem;border-bottom:1px solid #333}.nav-container{max-width:1200px;margin:0 auto;display:flex;justify-content:space-between;align-items:center}.nav-logo{font-size:1.5rem;font-weight:700;color:#646cff}.nav-menu{display:flex;list-style:none;gap:2rem;margin:0;padding:0}.nav-item{margin:0}.nav-link{color:#ffffffde;transition:color .3s}.nav-link:hover{color:#646cff}@media(prefers-color-scheme:light){.navbar{background-color:#f9f9f9;border-bottom-color:#ddd}.nav-link{color:#213547}}.upload-box-container{display:flex;flex-direction:column;align-items:center;gap:1.5rem}.upload-box{width:100%;max-width:500px;border:2px dashed #646cff;border-radius:12px;padding:3rem 2rem;text-align:center;cursor:pointer;transition:all .3s ease;background-color:#646cff0d}.upload-box:hover{border-color:#535bf2;background-color:#646cff1a}.upload-box.drag-active{border-color:#535bf2;background-color:#646cff26;transform:scale(1.02)}.upload-label{cursor:pointer;display:block}.upload-icon{width:64px;height:64px;margin:0 auto 1rem;color:#646cff}.upload-prompt p{margin:.5rem 0;font-size:1.1rem}.upload-subtext{font-size:.9rem;color:#888}.file-info{padding:1rem}.file-name{font-size:1.2rem;font-weight:700;margin:0 0 .5rem;word-break:break-all}.file-size{font-size:.9rem;color:#888;margin:0}.upload-button{padding:1rem 3rem;font-size:1.1rem;background-color:#646cff;color:#fff;border:none;border-radius:8px;cursor:pointer;transition:background-color .3s}.upload-button:hover:not(:disabled){background-color:#535bf2}.upload-button:disabled{opacity:.6;cursor:not-allowed}@media(prefers-color-scheme:light){.upload-box{background-color:#646cff08}.upload-box:hover{background-color:#646cff14}}.app{min-height:100vh;display:flex;flex-direction:column}.page{flex:1;padding:2rem;max-width:1200px;margin:0 auto;width:100%}.hero{text-align:center;padding:4rem 2rem;background:linear-gradient(135deg,#667eea,#764ba2);border-radius:10px;margin-bottom:2rem;color:#fff}.hero h1{margin-bottom:1rem}.hero p{font-size:1.2rem;margin-bottom:2rem}.materials-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:2rem;margin-top:2rem}.material-card{padding:2rem;border:1px solid #333;border-radius:8px;background-color:#1a1a1a;transition:transform .2s}.material-card:hover{transform:translateY(-5px);border-color:#646cff}.material-card h3{margin-top:0;color:#646cff}.quote-container{display:grid;grid-template-columns:1fr 1fr;gap:2rem;margin-top:2rem}.model-viewer{border:1px solid #333;border-radius:8px;background-color:#1a1a1a;height:500px}.quote-details{padding:2rem;border:1px solid #333;border-radius:8px;background-color:#1a1a1a}@media(max-width:768px){.quote-container,.materials-grid{grid-template-columns:1fr}}@media(prefers-color-scheme:light){.material-card,.model-viewer,.quote-details{background-color:#f9f9f9;border-color:#ddd}}