h1,h2,h3,h4,h5,h6,p{margin:0}p:last-child{margin-bottom:0}ul{margin:0;padding:0;list-style:none}a{color:currentColor;text-decoration:none}button{cursor:pointer}img{display:block;max-width:100%;height:auto}:root{font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica Neue,sans-serif;font-size:16px;line-height:1.5;font-weight:400;color:#242424;background-color:#ffffffde;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;-webkit-text-size-adjust:100%}body{display:flex;flex-direction:column;min-width:100vw;min-height:100vh;margin:0}main{flex-grow:1}main:has(.back-link){text-align:center}body{font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;background-color:#f4f4f4;color:#333;margin:0;padding:20px}.form{display:flex;justify-content:center;margin-bottom:20px;gap:10px}.form input{width:280px;padding:10px 15px;font-size:16px;border:2px solid #ccc;border-radius:6px;transition:border-color .3s ease}.form input:focus{border-color:#007bff;outline:none}.form button{padding:10px 20px;font-size:16px;background-color:#007bff;border:none;border-radius:6px;color:#fff;cursor:pointer;transition:background-color .3s ease}.form button:hover{background-color:#0056b3}.gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px;list-style:none;padding:0;margin:0 auto 30px}.gallery li{border-radius:8px;overflow:hidden;background-color:#fff;box-shadow:0 2px 8px #0000001a;transition:transform .2s ease-in-out}.gallery li:hover{transform:scale(1.02)}.gallery img{width:100%;height:200px;object-fit:cover;display:block}.loader{display:block;margin:10px auto;width:40px;height:40px;border:5px solid #ccc;border-top-color:#007bff;border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.hidden{display:none}