.verification-container {
   max-width: 500px;
   margin: 40px auto;
   padding: 30px;
   border-radius: 8px;
   box-shadow: 0 3px 15px rgba(0, 0, 0, 0.1);
   background: #fff;
  }

  .verification-header {
   text-align: center;
   margin-bottom: 30px;
  }

  .verification-header h3 {
   color: #2c3e50;
   margin-bottom: 10px;
  }

  .verification-header p {
   color: #7f8c8d;
   margin-bottom: 0;
  }

  .mobile-display {
   /* background: #f8f9fa; */
   /* border: 1px solid #e9ecef; */
   border-radius: 6px;
   padding: 0;
   text-align: center;
   margin: 0;
  }

  .mobile-number {
   font-size: 20px;
   font-weight: bold;
   color: #2c3e50;
   direction: ltr;
   margin: 10px 0;
  }

  .btn-action {
   padding: 12px 24px;
   margin: 5px;
   min-width: 140px;
   margin-bottom: 25px;
  }

  .btn-group-vertical {
   display: flex;
   flex-direction: column;
   gap: 10px;
   margin: 20px 0;
  }

  .alert-container {
   margin: 15px 0;
  }

  .form-group {
   margin-bottom: 20px;
  }

  .input-group-addon {
   background: #e9ecef;
   border: 1px solid #ced4da;
   padding: 8px 12px;
   min-width: 50px;
   text-align: center;
  }

  #mobile-input {
   direction: ltr;
   text-align: left;
  }

  #resend-timer {
   margin-top: 15px;
   font-size: 14px;
   color: #6c757d;
  }

  .step-progress {
   display: flex;
   justify-content: space-between;
   margin: 30px 0;
   position: relative;
  }

  .step-progress::before {
   content: '';
   position: absolute;
   top: 15px;
   left: 0;
   right: 0;
   height: 2px;
   background: #e9ecef;
   z-index: 1;
  }

  .step {
   width: 30px;
   height: 30px;
   border-radius: 50%;
   background: #e9ecef;
   color: #6c757d;
   display: flex;
   align-items: center;
   justify-content: center;
   font-weight: bold;
   position: relative;
   z-index: 2;
   font-size: 14px;
  }

  .step.active {
   background: #3498db;
   color: white;
  }

  .step.completed {
   background: #27ae60;
   color: white;
  }

  .step-label {
   margin-top: 8px;
   font-size: 12px;
   color: #6c757d;
   text-align: center;
  }

  .section {
   display: none;
   animation: fadeIn 0.3s ease-in;
  }

  .section.active {
   display: block;
  }

  @keyframes fadeIn {
   from {
    opacity: 0;
    transform: translateY(10px);
   }

   to {
    opacity: 1;
    transform: translateY(0);
   }
  }

  .loading {
   opacity: 0.6;
   pointer-events: none;
  }

  /* Modal Improvements */
  .modal-change-mobile .modal-dialog {
   max-width: 400px;
   margin: 50px auto;
  }

  .modal-change-mobile .modal-content {
   border-radius: 10px;
   box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
   border: none;
  }

  .modal-change-mobile .modal-header {
   background: #f8f9fa;
   border-bottom: 1px solid var(--border-color);
   border-radius: 10px 10px 0 0;
   padding: 20px;
  }

  .modal-change-mobile .modal-title {
   color: var(--text-color);
   font-weight: 600;
   text-align: center;
   margin: 0 auto;
  }

  .modal-change-mobile .modal-body {
   padding: 25px;
  }

  .modal-change-mobile .modal-footer {
   border-top: 1px solid var(--border-color);
   padding: 20px;
  }

  /* Responsive Design */
  @media (max-width: 768px) {
   .verification-container {
    margin: 20px auto;
    padding: 20px;
   }

   .step {
    width: 25px;
    height: 25px;
    font-size: 12px;
   }

   .step-label {
    font-size: 11px;
   }

   .btn-action {
    padding: 10px 20px;
    min-width: 120px;
   }
  }

  .otp-input {
   font-size: 18px;
   letter-spacing: 8px;
   text-align: center;
   max-width: 200px;
   margin: 20px auto;
   padding: 12px;
   border: 2px solid var(--border-color);
   border-radius: 8px;
   transition: all 0.3s ease;
  }

  .otp-input:focus {
   border-color: var(--primary-color);
   box-shadow: 0 0 0 0.2rem rgba(52, 152, 219, 0.25);
   transform: scale(1.05);
  }

  .timer-warning {
   color: rgb(253, 4, 53);
  }