*{box-sizing:border-box;margin:0;padding:0}body{background:#f4f4f4;font-family:Arial,sans-serif}.app-layout{min-height:100vh;display:flex}.main-content{flex:1;padding:20px;overflow-y:auto}.card{background:#fff;border-radius:12px;padding:20px;box-shadow:0 0 10px #00000014}.btn{color:#fff;cursor:pointer;background:#800020;border:none;border-radius:8px;padding:10px 14px}.btn:hover{opacity:.9}.input{border:1px solid #ccc;border-radius:8px;width:100%;padding:10px}.grid{gap:15px;display:grid}table{border-collapse:collapse;background:#fff;width:100%;margin-top:20px}th{color:#fff;background:#800020}th,td{text-align:left;border:1px solid #ddd;padding:12px}