: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;padding:0;width:100vw;height:100vh;overflow:hidden;position:fixed;inset:0;touch-action:manipulation}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}}.model-viewer{width:100vw;height:100vh;display:flex;flex-direction:column;background:linear-gradient(135deg,#1a1a2e,#16213e);overflow:hidden;position:fixed;inset:0}.viewer-header{padding:15px 20px;display:flex;justify-content:space-between;align-items:center;background:#0000004d;color:#fff;flex-shrink:0;padding-top:max(15px,env(safe-area-inset-top));padding-bottom:max(15px,env(safe-area-inset-bottom))}.viewer-header h1{margin:0;font-size:18px;font-weight:300}@media(min-width:768px){.viewer-header h1{font-size:24px}}.color-controls{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.color-controls label{font-size:12px}@media(max-width:480px){.color-controls label{display:none}}.color-controls input[type=color]{width:35px;height:30px;border:none;border-radius:4px;cursor:pointer;padding:0}.color-controls span{font-family:monospace;font-size:12px}@media(max-width:480px){.color-controls span{display:none}}.viewer-canvas{flex:1;position:relative;width:100%;height:100%;overflow:hidden}@media(max-width:768px){.viewer-header{padding:10px 15px;gap:10px}.color-controls{gap:5px}.color-controls input[type=color]{width:30px;height:25px}}.home-page{width:100vw;height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#1a1a2e,#16213e);overflow:hidden;position:fixed;inset:0}.hero-section{text-align:center;color:#fff;padding:20px;max-width:90%}.hero-section h1{font-size:32px;font-weight:300;margin-bottom:15px;background:linear-gradient(135deg,#667eea,#764ba2);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}@media(min-width:768px){.hero-section h1{font-size:48px;margin-bottom:20px}}.hero-section p{font-size:14px;color:#a0a0a0;margin-bottom:30px;max-width:500px;margin-left:auto;margin-right:auto}@media(min-width:768px){.hero-section p{font-size:18px;margin-bottom:40px}}.view-model-btn{padding:12px 30px;font-size:16px;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none;border-radius:30px;cursor:pointer;transition:transform .3s ease,box-shadow .3s ease}@media(min-width:768px){.view-model-btn{padding:15px 40px;font-size:18px}}.view-model-btn:hover{transform:translateY(-2px);box-shadow:0 10px 30px #667eea66}