body {
      background: #f9f6f0; /* ivory background */
      display: flex;
      justify-content: center;
      align-items: center;
      min-height: 100vh;
      font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    }
    .card {
      width: 420px;
      border-radius: 12px;
      box-shadow: 0 6px 25px rgba(0,0,0,0.1);
      padding: 30px;
      background: #fffaf0; /* light ivory card */
    }
    .card h4 {
      margin: 0;
      color: #b88b4a; /* subtle gold color for heading */
      font-weight: 700;
      font-size: 24px;
    }
    .card p {
      color: #555;
    }
    .btn-register {
      background-color: #b88b4a; /* gold-ish button */
      color: #fff;
      border-radius: 6px;
      padding: 10px 20px;
      font-weight: 500;
      transition: 0.3s;
      border: none;
    }
    .btn-register:hover {
      background-color: #d2a96b;
      color: #fff;
    }
    .alert-danger {
      background-color: #ffe9e6;
      color: #b71c1c;
      border: none;
    }
    a {
      color: #b88b4a;
      text-decoration: none;
    }
    a:hover {
      text-decoration: underline;
    }
    .input-group .form-control {
      border-radius: 6px 0 0 6px;
    }
    .input-group .btn {
      border-radius: 0 6px 6px 0;
    }
/* registration form css */

      body {
        background: #f9f6f0; /* ivory background */
        display: flex;
        justify-content: center;
        align-items: center;
        min-height: 100vh;
        font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    }
    .card {
        width: 450px;
        border-radius: 12px;
        box-shadow: 0 6px 25px rgba(0,0,0,0.1);
        padding: 30px;
        background: #fffaf0; /* light ivory card */
    }
    .card h4 {
        margin: 0;
        color: #b88b4a; /* gold heading */
        font-weight: 700;
        font-size: 24px;
    }
    .card p {
        color: #555;
    }
    .btn-register {
        background-color: #b88b4a;
        color: #fff;
        border-radius: 6px;
        padding: 10px 20px;
        font-weight: 500;
        transition: 0.3s;
        border: none;
    }
    .btn-register:hover {
        background-color: #d2a96b;
        color: #fff;
    }
    .alert-danger {
        background-color: #ffe9e6;
        color: #b71c1c;
        border: none;
    }
    .alert-success {
        background-color: #f0fff0;
        color: #2e7d32;
        border: none;
    }
    a {
        color: #b88b4a;
        text-decoration: none;
    }
    a:hover {
        text-decoration: underline;
    }
    .input-group .form-control {
        border-radius: 6px 0 0 6px;
    }
    .input-group .btn {
        border-radius: 0 6px 6px 0;
    }