.global_student_addCourses{background-color:#f8f9fa}.global_student_addCourses .form-container{background-color:#fff;border-radius:10px;box-shadow:0 4px 6px rgba(0,0,0,.1);margin-top:30px;padding:30px}.global_student_addCourses .form-header{color:#2c3e50;font-size:24px;font-weight:700;margin-bottom:20px;text-align:center}.global_student_addCourses .form-section{margin-bottom:25px}.global_student_addCourses .form-section h5{border-bottom:2px solid #3498db;color:#34495e;font-size:18px;font-weight:700;margin-bottom:15px;padding-bottom:5px}.global_student_addCourses .form-section label{color:#495057;font-weight:500}.global_student_addCourses .error-message{color:#dc3545;font-size:14px;margin-top:5px}.global_student_addCourses .is-invalid{border-color:#dc3545!important}.global_student_addCourses .submit-btn{background-color:#28a745;border:none;border-radius:5px;color:#fff;cursor:pointer;font-size:16px;font-weight:700;padding:10px 20px;transition:background-color .3s ease}.global_student_addCourses .submit-btn:hover{background-color:#218838}.global_student_addCourses .form-control:focus{border-color:#3498db;box-shadow:0 0 5px rgba(52,152,219,.5)}.global_student_addCourses .success-message{color:#28a745;font-size:18px;font-weight:700;margin-top:20px;text-align:center}.global_student_addCourses .hidden{display:none}