body{font:16px Segoe UI;background:#174f7e;margin:0;color:#073d70}.card{max-width:560px;margin:5vh auto;background:white;padding:28px;border-radius:14px}input,button{box-sizing:border-box;width:100%;padding:12px;margin:6px 0 14px}button{background:#075697;color:white;border:0;border-radius:7px;font-weight:700}.err{color:#b42318}.msg{background:#eef5fb;padding:10px}table{width:100%;border-collapse:collapse}td,th{padding:8px;border-bottom:1px solid #ddd;text-align:left}