body {
        font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        text-align: center;
        background-color: #003049; /* Dark blue background */
        color: #fff; /* White text */
        margin: 0;
        padding: 20px;
        display: flex;
        flex-direction: column;
        align-items: center;
        min-height: 100vh;
      }
      
      h1 {
        color: #fff; /* White header */
        margin-bottom: 20px;
        text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
      }
      
      .container {
        max-width: 800px;
        width: 100%;
        margin: 20px auto;
        padding: 30px;
        background: #005f73; /* Darker blue container */
        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
        border-radius: 12px;
      }
      
      p {
        font-size: 18px;
        margin: 15px 0;
        color: #fff; /* White text */
      }
      
      /* Primary Blue Button */
      button#start {
        background-color: #94d2bd; /* Light green button */
        color: #000; /* Black text */
      }
      
      button#start:hover {
        background-color: #a8dadc; /* Lighter green on hover */
      }
      
      /* Cancel Red Button */
      button#cancel {
        background-color: #ee9b00; /* Orange button */
        color: #000; /* Black text */
      }
      
      button#cancel:hover {
        background-color: #fca311; /* Lighter orange on hover */
      }
      
      /* General Button Styles */
      button {
        border: none;
        padding: 12px 24px;
        font-size: 16px;
        cursor: pointer;
        border-radius: 8px;
        margin-top: 20px;
        transition: background-color 0.3s ease;
        box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
      }
      
      .copy-btn {
        background-color: #bb3e03; /* Dark red copy button */
        color: #fff; /* White text */
        margin-left: 10px;
      }
      
      .copy-btn:hover {
        background-color: #ca6702; /* Lighter red on hover */
      }
      
      .hidden {
        display: none;
      }
      
      .random-container {
        margin-top: 30px;
        text-align: left;
      }
      
      .random-container p {
        margin: 10px 0;
      }
      
      .random-container button {
        margin-top: 5px;
      }
      
      .toast {
        position: fixed;
        bottom: 20px;
        left: 50%;
        transform: translateX(-50%);
        background-color: #ca6702; /* Dark red toast */
        color: white;
        padding: 12px 24px;
        border-radius: 8px;
        box-shadow: 0 2px 5px rgba(0, 0, 0, 0.3);
        z-index: 1000;
        font-size: 16px;
      }
      
      /* New styles for timer */
      #timer {
        font-size: 20px;
        font-weight: bold;
        color: #fca311; /* Orange timer */
        margin-top: 20px;
        text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
      }
      
      /* Input field styles */
      input[type="number"] {
        padding: 10px;
        font-size: 16px;
        border: 1px solid #4a4e69; /* Dark gray border */
        border-radius: 6px;
        margin-right: 10px;
        color: #fff; /* White text */
        background-color: #003049; /* Dark blue background */
      }
      
      /* Hide elements by default */
      #phone,
      #otp,
      #timer,
      #cancel {
        display: none;
      }
      
      /* Status Colors */
      #status.waiting {
        color: #fca311; /* Yellow */
      }
      
      #status.success {
        color: #94d2bd; /* Green */
      }
      
      #status.error {
        color: #bb3e03; /* Red */
      }
      
      .button-container {
        display: flex;
        justify-content: center;
        gap: 10px;
        margin-bottom: 20px;
      }