* {
        box-sizing: border-box;
        font-family: "Segoe UI", sans-serif;
      }

      body {
        background: #e0e5ecbd;
        display: flex;
        justify-content: center;
        align-items: center;
        height: auto;
        list-style: none;
        transition: background 0.3s ease-in-out;
        /* overflow: hidden ; */
      }
      
      .container {
        margin: 1rem;
        background: #e0e5ec;
        padding: 2rem 2.3rem;
        border-radius: 10px;
        box-shadow: 10px 10px 30px #bec3c9, -10px -10px 30px #ffffff;
        width: 80%;
        max-width: 400px;
        animation: fadeIn 0.4s ease-in-out;
      }

      @keyframes fadeIn {
        from {
          opacity: 0;
          transform: translateY(8px);
        }
        to {
          opacity: 1;
          transform: translateY(0);
        }
      }

      h2 {
        text-align: center;
        margin-bottom: 1.5rem;
        color: #444;
      }

      .tabs {
        display: flex;
        justify-content: space-between;
        margin-bottom: 1.5rem;
        gap: 2rem;
      }

      .tabs button {
        flex: 1;
        padding: 0.8rem;
        margin: 0 5px;
        border: none;
        border-radius: 9px;
        background: #e0e5ec;
        box-shadow: inset 5px 5px 10px #bec3c9, inset -5px -5px 10px #ffffff;
        font-weight: 600;
        font-size: 1.2rem;
        cursor: pointer;
        transition: 0.3s;
      }

      .tabs button:hover,
      .register-btn:hover,
      .social-icon:hover,
      .login-btn:hover {
        background: #c2c8d2;
        box-shadow: 5px 5px 10px #bec3c9, -5px -5px 10px #ffffff;
        scale: 1.03;
        border-bottom: 1px solid white;
        border-right: 1px solid white;
      }

      .tabs .active {
        background: #cdd0d5;        
        box-shadow: inset 5px 5px 10px #bec3c9, inset -5px -5px 10px #ffffff;
        color: #333;
        font-weight: bold;
        border: 2px solid #6f42c1;
      }

      .tabs .active:hover{
        
        border: 2px solid #6f42c1;
      }


      .input-group {
        margin-bottom: 1rem;
      }

      .input-group label {
        display: block;
        margin-bottom: 5px;
        font-size: 14px;
      }

      .input-group input {
        width: 100%;
        padding: 1rem;
        border-radius: 10px;
        border: none;
        background: #e0e5ec;
        box-shadow: inset 3px 3px 6px #bec3c9, inset -3px -3px 6px #ffffff;
        font-size: 12px;
      }

      .input-group input:hover {
        background: #f0f0f0;
      }

      .forgot-pass {
        text-align: center;
        color: #6f42c1;
        text-decoration: none;
      }

      .forgot-pass a:hover{
        color: red;
      }

      .register-btn,
      .login-btn {
        width: 100%;
        padding: 0.9rem;
        border: none;
        margin-top: 0.9rem;
        border-radius: 8px;
        background: #e0e5ec;
        box-shadow: 5px 5px 10px #bec3c9, -5px -5px 10px #ffffff;
        font-weight: 600;
        font-size: 1.2em;
        cursor: pointer;
        transition: 0.3s;
      }

      .social {
        display: flex;
        justify-content: center;
        gap: 1rem;
        margin-top: 1.5rem;
      }

      .social-icon {
        width: 40px;
        height: 40px;
        background: #e0e5ec;
        border-radius: 50%;
        box-shadow: 5px 5px 10px #bec3c9, -5px -5px 10px #ffffff;
        display: flex;
        justify-content: center;
        align-items: center;
        cursor: pointer;
        font-size: 18px;
        transition: 0.3s;
      }

      .social-icon:hover {
        scale: 1.3;
      }

      .or {
        text-align: center;
        margin-top: 1.2rem;
        font-size: 14px;
        color: #777;
      }

      /* popup styling */
      #popup {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background-color: rgba(0, 0, 0, 0.3);
        display: flex;
        justify-content: center;
        align-items: center;
        z-index: 999;
      }

      .popup-content {
        background: #e0e5ec;
        padding: 2rem;
        border-radius: 15px;
        text-align: center;
        width: 80%;
        max-width: 300px;
      }

      .popup-content p {
        margin-bottom: 1.5rem;
        color: #333;
        font-size: 1rem;
        font-weight: 500;
      }

      .popup-content button {
        padding: 0.7rem 1.3rem;
        border: none;
        background: #c2c8d2;
        box-shadow: 5px 5px 10px #bec3c9, -5px -5px 10px #ffffff;
        border-radius: 8px;
        font-weight: bold;
        cursor: pointer;
      }

      .popup-content button:hover {
        background: #a9b1c1;
      }

/* Prevent button text from breaking into multiple lines */
.register-btn,
.login-btn,
.tabs button {
  white-space: nowrap;
}

/* Make form more responsive on small devices */
@media (max-width: 480px) {
  .container {
    width: 95%;
    padding: 1.2rem 1.4rem;
  }

  .tabs {
    gap: 0.5rem;
  }

  .tabs button {
    font-size: 1em;
    padding: 0.6rem;
  }

  .register-btn,
  .login-btn {
    font-size: 1em;
    padding: 0.7rem;
  }

  .input-group input {
    padding: 0.8rem;
    font-size: 14px;
  }
}