        body {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
           

        .signup-container {
            max-width: 400px;
            margin: 50px auto;
        }

        .signup-card {
            background: white;
            border-radius: 20px;
            box-shadow: 0 20px 60px rgba(0,0,0,0.3);
            overflow: hidden;
        }

        .signup-header {
           background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding: 30px;
            text-align: center;
        }

        .signup-header h2 {
            margin: 0;
            font-size: 2rem;
            font-weight: bold;
        }

        .signup-header p {
            margin: 10px 0 0 0;
            opacity: 0.9;
        }

        .signup-body {
            padding: 40px;
        }

        .form-control {
            border-radius: 10px;
            padding: 12px 15px;
            border: 1px solid #ddd;
            margin-bottom: 20px;
        }

        .form-control:focus {
            box-shadow: 0 0 0 0.2rem rgba(240, 147, 251, 0.25);
            border-color: #f093fb;
        }

        .input-group-text {
            background: #f8f9fa;
            border-radius: 10px 0 0 10px;
            border-right: none;
        }

        .input-group .form-control {
            border-left: none;
            border-radius: 0 10px 10px 0;
        }

        .btn-signup {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding: 12px;
            border: none;
            border-radius: 10px;
            width: 100%;
            font-size: 1.1rem;
            font-weight: bold;
            transition: transform 0.3s;
        }

        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(245, 87, 108, 0.4);
        }

        .divider {
            text-align: center;
            margin: 20px 0;
            position: relative;
        }

        .divider::before {
            content: "";
            position: absolute;
            left: 0;
            top: 50%;
            width: 100%;
            height: 1px;
            background: #ddd;
        }

        .divider span {
            background: white;
            padding: 0 10px;
            position: relative;
            color: #999;
        }

        .password-requirements {
            font-size: 0.85rem;
            color: #666;
            margin-top: -15px;
            margin-bottom: 15px;
        }

        .back-home {
            text-align: center;
            margin-top: 20px;
        }

        .back-home a {
            color: white;
            text-decoration: none;
            font-weight: 500;
        }

        .back-home a:hover {
            text-decoration: underline;
        }

        .alert {
            border-radius: 10px;
        }