:where(.container-mobile, form, .input-field, header) {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
        }
        .container-mobile {
            background: #fff;
            padding: 30px 65px;
            border-radius: 12px;
            row-gap: 20px;
            box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
            }
            .container-mobile header {
            height: 120px;
            width: 120px;
            background: #4070f4;
            color: #fff;
            font-size: 2.5rem;
            border-radius: 50%;
            }
            .container-mobile h4 {
            font-size: 1.25rem;
            color: #333;
            font-weight: 500;
            }
            form .input-field {
            flex-direction: row;
            column-gap: 10px;
            }
            .input-field input {
            height: 45px;
            border-radius: 6px;
            outline: none;
            font-size: 1.125rem;
            text-align: center;
            border: 1px solid #ddd;
            }
            .input-otp{
                width: 42px;
            }
            .input-mobile{
                letter-spacing: 5px;
            }

            .input-field input:focus {
            box-shadow: 0 1px 0 rgba(0, 0, 0, 0.1);
            }
            .input-field input::-webkit-inner-spin-button,
            .input-field input::-webkit-outer-spin-button {
            display: none;
            }
            form button {
            margin-top: 25px;
            width: 100%;
            color: #fff;
            font-size: 1rem;
            border: none;
            padding: 9px 0;
            cursor: pointer;
            border-radius: 6px;
            pointer-events: none;
            background: #6e93f7;
            transition: all 0.2s ease;
            }
            form button.active {
            background: #4070f4;
            pointer-events: auto;
            }
            form button:hover {
            background: #0e4bf1;
            }