.app{max-width:1280px;margin:0 auto;padding:2rem}.header{margin-bottom:3rem}.header h1{font-size:3.2em;line-height:1.1;margin-bottom:1rem;background:linear-gradient(135deg,#667eea,#764ba2);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.header p{font-size:1.5em;color:#888}.main{display:flex;justify-content:center;align-items:center;min-height:400px}.placeholder{padding:2rem;border-radius:8px;background:#ffffff0d;border:1px solid rgba(255,255,255,.1)}.placeholder h2{font-size:2em;margin-bottom:1rem}.placeholder p{font-size:1.2em;margin-bottom:1rem;color:#ccc}.placeholder .note{font-size:1em;color:#888;font-style:italic}:root{font-family:Inter,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}*{margin:0;padding:0;box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh}#root{width:100%;margin:0 auto}@keyframes spin{to{transform:rotate(360deg)}}