*{box-sizing:border-box}body{margin:0;padding:20px;background:#edf3f6;color:#18334e;font:18px Arial,sans-serif}header{display:flex;align-items:center;gap:14px;flex-wrap:wrap}h1{margin:0 auto 0 0}button,input,select{font:inherit;padding:10px;border:1px solid #b5c9d7;border-radius:7px;background:white;color:inherit}button{cursor:pointer;min-height:44px}label{display:flex;gap:8px;align-items:center}main{display:grid;gap:20px}article{background:white;border-radius:10px;padding:18px}article img{display:block;max-width:100%;max-height:78vh;object-fit:contain;margin:auto}article h2{margin:0 0 8px}article .meta{display:flex;gap:16px;align-items:center;margin:8px 0}article button{margin-left:auto}dialog{max-width:680px;width:95%;border:1px solid #ccc;border-radius:12px}form{display:grid;gap:14px}form label{display:grid}#preview{max-height:300px;max-width:100%}#error{color:#b52530}[hidden]{display:none!important}body.display header{display:none}body.display{padding:8px}body.display article img{max-height:78vh}