: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}}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background:linear-gradient(135deg,#667eea,#764ba2);min-height:100vh}#root{max-width:1200px;margin:0 auto;padding:2rem;text-align:center}.app{min-height:calc(100vh - 4rem);display:flex;flex-direction:column}.header{color:#fff;margin-bottom:2rem}.header h1{font-size:2.5rem;margin-bottom:.5rem}.header p{font-size:1.1rem;opacity:.9}.main{flex:1;display:flex;justify-content:center;align-items:flex-start}.upload-area{background:#fff;border-radius:20px;padding:4rem;cursor:pointer;transition:all .3s ease;box-shadow:0 20px 60px #0003}.upload-area:hover{transform:translateY(-5px);box-shadow:0 25px 70px #0000004d}.upload-icon{font-size:4rem;color:#667eea;margin-bottom:1rem}.upload-area p{color:#666;font-size:1.2rem}.paste-hint{margin-top:1rem;font-size:.9rem!important;color:#999!important}.result-area{width:100%;max-width:900px;background:#fff;border-radius:20px;padding:2rem;box-shadow:0 20px 60px #0003}.image-comparison{display:flex;gap:2rem;justify-content:center;flex-wrap:wrap}.image-box{flex:1;min-width:280px;max-width:400px}.image-box h3{color:#333;margin-bottom:1rem}.image-box img{width:100%;border-radius:10px;box-shadow:0 4px 20px #0000001a}.size-info{margin-top:1rem;font-size:1.1rem;color:#666}.savings{color:#10b981;font-weight:700;margin-left:.5rem}.loading{height:200px;display:flex;align-items:center;justify-content:center;background:#f5f5f5;border-radius:10px;color:#666;font-size:1.1rem}.controls{margin-top:2rem;padding-top:2rem;border-top:1px solid #eee}.quality-control{margin-bottom:1.5rem}.quality-control label{display:block;color:#333;font-weight:600;margin-bottom:.5rem}.quality-control input[type=range]{width:100%;height:8px;border-radius:4px;background:#ddd;outline:none;-webkit-appearance:none}.quality-control input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:20px;height:20px;border-radius:50%;background:#667eea;cursor:pointer}.actions{display:flex;gap:1rem;justify-content:center}.btn{padding:.8rem 2rem;font-size:1rem;border:none;border-radius:10px;cursor:pointer;transition:all .3s ease;font-weight:600}.btn-primary{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 5px 20px #667eea66}.btn-secondary{background:#f5f5f5;color:#666}.btn-secondary:hover{background:#e5e5e5}.footer{color:#fff;opacity:.8;margin-top:2rem;font-size:.9rem}@media(max-width:768px){.header h1{font-size:1.8rem}.upload-area{padding:2rem}.result-area{padding:1rem}.image-comparison{flex-direction:column;align-items:center}.image-box{width:100%}}